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DOE OSTI2020

Materials Data on Na7Sn12 by Materials Project

Na7Sn12 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are fourteen inequivalent Na sites. In the first Na site, Na is bonded in a 4-coordinate geometry to six Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.22–3.74 Å. In the second Na site, Na is bonded in a 4-coordinate geometry to six Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.23–3.79 Å. In the third Na site, Na is bonded in a 4-coordinate geometry to five Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.24–3.66 Å. In the fourth Na site, Na is bonded in a 5-coordinate geometry to five Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.22–3.58 Å. In the fifth Na site, Na is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.20–3.58 Å. In the sixth Na site, Na is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.20–3.61 Å. In the seventh Na site, Na is bonded in a 4-coordinate geometry to seven Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.23–3.69 Å. In the eighth Na site, Na is bonded in a 5-coordinate geometry to six Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.30–3.67 Å. In the ninth Na site, Na is bonded in a 5-coordinate geometry to six Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.28–3.74 Å. In the tenth Na site, Na is bonded in a 5-coordinate geometry to six Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.30–3.75 Å. In the eleventh Na site, Na is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.36–3.77 Å. In the twelfth Na site, Na is bonded in a 5-coordinate geometry to six Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.21–3.64 Å. In the thirteenth Na site, Na is bonded in a 5-coordinate geometry to seven Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.23–3.74 Å. In the fourteenth Na site, Na is bonded in a 4-coordinate geometry to four Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.04–3.29 Å. There are twenty-four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to seven Na and two Sn atoms. Both Sn–Sn bond lengths are 2.98 Å. In the second Sn site, Sn is bonded in a 9-coordinate geometry to seven Na and two Sn atoms. There are one shorter (2.97 Å) and one longer (2.98 Å) Sn–Sn bond lengths. In the third Sn site, Sn is bonded in a 5-coordinate geometry to one Na and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 2.88–2.93 Å. In the fourth Sn site, Sn is bonded in a 5-coordinate geometry to one Na and four Sn atoms. There are one shorter (2.89 Å) and three longer (2.92 Å) Sn–Sn bond lengths. In the fifth Sn site, Sn is bonded in a 2-coordinate geometry to three Na and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 2.92–3.03 Å. In the sixth Sn site, Sn is bonded in a 2-coordinate geometry to two Na and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 2.91–3.01 Å. In the seventh Sn site, Sn is bonded in a 7-coordinate geometry to four Na and three Sn atoms. The Sn–Sn bond length is 2.97 Å. In the eighth Sn site, Sn is bonded in a 7-coordinate geometry to four Na and three Sn atoms. The Sn–Sn bond length is 2.97 Å. In the ninth Sn site, Sn is bonded in a 7-coordinate geometry to four Na and three Sn atoms. There are one shorter (2.88 Å) and one longer (2.89 Å) Sn–Sn bond lengths. In the tenth Sn site, Sn is bonded in a 6-coordinate geometry to three Na and three Sn atoms. There are one shorter (2.91 Å) and one longer (2.94 Å) Sn–Sn bond lengths. In the eleventh Sn site, Sn is bonded in a 1-coordinate geometry to three Na and four Sn atoms. Both Sn–Sn bond lengths are 2.95 Å. In the twelfth Sn site, Sn is bonded in a 1-coordinate geometry to four Na and four Sn atoms. There are one shorter (2.96 Å) and one longer (3.01 Å) Sn–Sn bond lengths. In the thirteenth Sn site, Sn is bonded in a 2-coordinate geometry to four Na and four Sn atoms. Both Sn–Sn bond lengths are 2.98 Å. In the fourteenth Sn site, Sn is bonded in a 10-coordinate geometry to seven Na and three Sn atoms. There are one shorter (2.98 Å) and one longer (3.34 Å) Sn–Sn bond lengths. In the fifteenth Sn site, Sn is bonded in a 2-coordinate geometry to five Na and three Sn atoms. There are one shorter (2.98 Å) and one longer (3.23 Å) Sn–Sn bond lengths. In the sixteenth Sn site, Sn is bonded in a 6-coordinate geometry to two Na and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 2.91–2.96 Å. In the seventeenth Sn site, Sn is bonded in a 6-coordinate geometry to two Na and four Sn atoms. In the eighteenth Sn site, Sn is bonded in a 6-coordinate geometry to two Na and four Sn atoms. In the nineteenth Sn site, Sn is bonded in a 1-coordinate geometry to four Na and four Sn atoms. There are one shorter (2.99 Å) and one longer (3.05 Å) Sn–Sn bond lengths. In the twentieth Sn site, Sn is bonded in a 1-coordinate geometry to four Na and four Sn atoms. The Sn–Sn bond length is 3.03 Å. In the twenty-first Sn site, Sn is bonded in a 10-coordinate geometry to seven Na and three Sn atoms. In the twenty-second Sn site, Sn is bonded in a 9-coordinate geometry to six Na and three Sn atoms. In the twenty-third Sn site, Sn is bonded in a 7-coordinate geometry to four Na and three Sn atoms. In the twenty-fourth Sn site, Sn is bonded in a 7-coordinate geometry to four Na and three Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2LiSn4 by Materials Project

K2LiSn4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are ten inequivalent K sites. In the first K site, K is bonded in a 4-coordinate geometry to six Sn atoms. There are a spread of K–Sn bond distances ranging from 3.49–4.04 Å. In the second K site, K is bonded in a 5-coordinate geometry to six Sn atoms. There are a spread of K–Sn bond distances ranging from 3.70–4.10 Å. In the third K site, K is bonded to five Sn atoms to form distorted corner-sharing KSn5 tetrahedra. There are a spread of K–Sn bond distances ranging from 3.52–4.01 Å. In the fourth K site, K is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of K–Sn bond distances ranging from 3.54–3.96 Å. In the fifth K site, K is bonded in a 5-coordinate geometry to seven Sn atoms. There are a spread of K–Sn bond distances ranging from 3.74–4.13 Å. In the sixth K site, K is bonded to five Sn atoms to form distorted corner-sharing KSn5 trigonal bipyramids. There are a spread of K–Sn bond distances ranging from 3.68–3.82 Å. In the seventh K site, K is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of K–Sn bond distances ranging from 3.60–3.81 Å. In the eighth K site, K is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of K–Sn bond distances ranging from 3.61–3.73 Å. In the ninth K site, K is bonded in a 2-coordinate geometry to eight Sn atoms. There are a spread of K–Sn bond distances ranging from 3.54–4.09 Å. In the tenth K site, K is bonded in a 4-coordinate geometry to six Sn atoms. There are a spread of K–Sn bond distances ranging from 3.76–4.11 Å. There are four inequivalent Li sites. In the first Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.89–3.22 Å. In the second Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.93–3.04 Å. In the third Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.90–3.08 Å. In the fourth Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.90–3.22 Å. There are sixteen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 2-coordinate geometry to three K, two Li, and four Sn atoms. There are one shorter (3.03 Å) and three longer (3.07 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four K, one Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.00–3.09 Å. In the third Sn site, Sn is bonded in a 9-coordinate geometry to four K, one Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.03–3.07 Å. In the fourth Sn site, Sn is bonded in a 2-coordinate geometry to three K, two Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.04–3.10 Å. In the fifth Sn site, Sn is bonded in a 9-coordinate geometry to four K, one Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.02–3.08 Å. In the sixth Sn site, Sn is bonded in a 9-coordinate geometry to three K, two Li, and four Sn atoms. There are two shorter (3.05 Å) and one longer (3.08 Å) Sn–Sn bond lengths. In the seventh Sn site, Sn is bonded in a 2-coordinate geometry to two K, two Li, and four Sn atoms. The Sn–Sn bond length is 3.09 Å. In the eighth Sn site, Sn is bonded in a 3-coordinate geometry to one K, two Li, and four Sn atoms. There are one shorter (3.03 Å) and two longer (3.07 Å) Sn–Sn bond lengths. In the ninth Sn site, Sn is bonded in a 1-coordinate geometry to four K, one Li, and four Sn atoms. The Sn–Sn bond length is 3.03 Å. In the tenth Sn site, Sn is bonded in a 9-coordinate geometry to four K, one Li, and four Sn atoms. There are one shorter (3.01 Å) and one longer (3.09 Å) Sn–Sn bond lengths. In the eleventh Sn site, Sn is bonded in a 8-coordinate geometry to three K, one Li, and four Sn atoms. The Sn–Sn bond length is 3.08 Å. In the twelfth Sn site, Sn is bonded in a 8-coordinate geometry to three K, one Li, and four Sn atoms. The Sn–Sn bond length is 3.05 Å. In the thirteenth Sn site, Sn is bonded in a 2-coordinate geometry to two K, two Li, and three Sn atoms. The Sn–Sn bond length is 3.07 Å. In the fourteenth Sn site, Sn is bonded in a 9-coordinate geometry to four K, one Li, and four Sn atoms. The Sn–Sn bond length is 3.02 Å. In the fifteenth Sn site, Sn is bonded in a 2-coordinate geometry to two K, two Li, and three Sn atoms. In the sixteenth Sn site, Sn is bonded in a 4-coordinate geometry to three K, two Li, and four Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb16Sn16F47 by Materials Project

Rb16Sn16F47 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Rb sites. In the first Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.82–2.91 Å. In the second Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.87–3.24 Å. In the third Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.88–3.26 Å. In the fourth Rb site, Rb is bonded in a 7-coordinate geometry to eight F atoms. There are a spread of Rb–F bond distances ranging from 2.82–3.37 Å. In the fifth Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.77–3.32 Å. In the sixth Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.86–3.22 Å. In the seventh Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.82–3.22 Å. In the eighth Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.78–2.91 Å. In the ninth Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.77–2.91 Å. In the tenth Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.82–3.17 Å. In the eleventh Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.85–3.21 Å. In the twelfth Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.78–3.31 Å. In the thirteenth Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.79–2.89 Å. In the fourteenth Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.82–3.22 Å. In the fifteenth Rb site, Rb is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Rb–F bond distances ranging from 2.88–3.21 Å. In the sixteenth Rb site, Rb is bonded in a 7-coordinate geometry to seven F atoms. There are a spread of Rb–F bond distances ranging from 2.80–2.95 Å. There are sixteen inequivalent Sn sites. In the first Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.09–2.30 Å. In the second Sn site, Sn is bonded in a distorted T-shaped geometry to three F atoms. There are a spread of Sn–F bond distances ranging from 2.10–2.41 Å. In the third Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.07–2.35 Å. In the fourth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.09–2.31 Å. In the fifth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.09–2.31 Å. In the sixth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.08–2.41 Å. In the seventh Sn site, Sn is bonded in a rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.05–2.31 Å. In the eighth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.09–2.27 Å. In the ninth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.09–2.28 Å. In the tenth Sn site, Sn is bonded in a rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.05–2.32 Å. In the eleventh Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.08–2.35 Å. In the twelfth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.10–2.29 Å. In the thirteenth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.09–2.29 Å. In the fourteenth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.08–2.35 Å. In the fifteenth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.05–2.34 Å. In the sixteenth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four F atoms. There are a spread of Sn–F bond distances ranging from 2.10–2.30 Å. There are forty-seven inequivalent F sites. In the first F site, F is bonded in a 1-coordinate geometry to three Rb and one Sn atom. In the second F site, F is bonded to two Rb and two Sn atoms to form distorted FRb2Sn2 trigonal pyramids that share corners with two FRb3Sn tetrahedra, a cornercorner with one FRb2Sn2 trigonal pyramid, and an edgeedge with one FRb3Sn tetrahedra. In the third F site, F is bonded in a 4-coordinate geometry to two Rb and two Sn atoms. In the fourth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the fifth F site, F is bonded to three Rb and one Sn atom to form distorted FRb3Sn tetrahedra that share corners with three FRb3Sn tetrahedra and corners with two FRb2Sn2 trigonal pyramids. In the sixth F site, F is bonded in a 1-coordinate geometry to four Rb and one Sn atom. In the seventh F site, F is bonded to three Rb and one Sn atom to form distorted FRb3Sn tetrahedra that share a cornercorner with one FRb3Sn tetrahedra and corners with two FRb2Sn2 trigonal pyramids. In the eighth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the ninth F site, F is bonded in a 4-coordinate geometry to two Rb and two Sn atoms. In the tenth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the eleventh F site, F is bonded to two Rb and two Sn atoms to form distorted FRb2Sn2 trigonal pyramids that share corners with four FRb3Sn tetrahedra and a cornercorner with one FRb2Sn2 trigonal pyramid. In the twelfth F site, F is bonded in a distorted rectangular see-saw-like geometry to two Rb and two Sn atoms. In the thirteenth F site, F is bonded in a 1-coordinate geometry to three Rb and one Sn atom. In the fourteenth F site, F is bonded in a 4-coordinate geometry to two Rb and two Sn atoms. In the fifteenth F site, F is bonded in a 3-coordinate geometry to two Rb and one Sn atom. In the sixteenth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the seventeenth F site, F is bonded to three Rb and one Sn atom to form distorted FRb3Sn tetrahedra that share corners with three FRb3Sn tetrahedra, a cornercorner with one FRb2Sn2 trigonal pyramid, and edges with two FRb2Sn2 tetrahedra. In the eighteenth F site, F is bonded in a 1-coordinate geometry to four Rb and one Sn atom. In the nineteenth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the twentieth F site, F is bonded to three Rb and one Sn atom to form distorted FRb3Sn tetrahedra that share corners with two FRb3Sn tetrahedra and edges with three FRb2Sn2 tetrahedra. In the twenty-first F site, F is bonded in a distorted rectangular see-saw-like geometry to two Rb and two Sn atoms. In the twenty-second F site, F is bonded in a 5-coordinate geometry to four Rb and one Sn atom. In the twenty-third F site, F is bonded to two Rb and two Sn atoms to form distorted FRb2Sn2 tetrahedra that share corners with three FRb2Sn2 tetrahedra and edges with two FRb3Sn tetrahedra. In the twenty-fourth F site, F is bonded to two Rb and two Sn atoms to form distorted FRb2Sn2 tetrahedra that share corners with two FRb3Sn tetrahedra, a cornercorner with one FRb2Sn2 trigonal pyramid, and edges with two FRb3Sn tetrahedra. In the twenty-fifth F site, F is bonded in a 5-coordinate geometry to four Rb and one Sn atom. In the twenty-sixth F site, F is bonded in a distorted rectangular see-saw-like geometry to two Rb and two Sn atoms. In the twenty-seventh F site, F is bonded to three Rb and one Sn atom to form distorted FRb3Sn tetrahedra that share corners with two FRb2Sn2 tetrahedra and edges with three FRb3Sn tetrahedra. In the twenty-eighth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the twenty-ninth F site, F is bonded in a 1-coordinate geometry to four Rb and one Sn atom. In the thirtieth F site, F is bonded to three Rb and one Sn atom to form distorted FRb3Sn tetrahedra that share corners with three FRb2Sn2 tetrahedra and edges with two FRb3Sn tetrahedra. In the thirty-first F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the thirty-second F site, F is bonded in a 3-coordinate geometry to two Rb and one Sn atom. In the thirty-third F site, F is bonded in a 4-coordinate geometry to two Rb and two Sn atoms. In the thirty-fourth F site, F is bonded in a 1-coordinate geometry to three Rb and one Sn atom. In the thirty-fifth F site, F is bonded in a distorted rectangular see-saw-like geometry to two Rb and two Sn atoms. In the thirty-sixth F site, F is bonded to two Rb and two Sn atoms to form distorted corner-sharing FRb2Sn2 tetrahedra. In the thirty-seventh F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the thirty-eighth F site, F is bonded in a 4-coordinate geometry to two Rb and two Sn atoms. In the thirty-ninth F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the fortieth F site, F is bonded to three Rb and one Sn atom to form a mixture of distorted corner and edge-sharing FRb3Sn tetrahedra. In the forty-first F site, F is bonded in a 1-coordinate geometry to four Rb and one Sn atom. In the forty-second F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the forty-third F site, F is bonded in a 4-coordinate geometry to three Rb and one Sn atom. In the forty-fourth F site, F is bonded in a 3-coordinate geometry to two Rb and one Sn atom. In the forty-fifth F site, F is bonded in a 4-coordinate geometry to two Rb and two Sn atoms. In the forty-sixth F site, F is bonded in a distorted rectangular see-saw-like geometry to two Rb and two Sn atoms. In the forty-seventh F site, F is bonded in a 1-coordinate geometry to four Rb and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb2LiSn4 by Materials Project

Rb2LiSn4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are eight inequivalent Rb sites. In the first Rb site, Rb is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.88–4.08 Å. In the second Rb site, Rb is bonded in a 5-coordinate geometry to five Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.79–4.12 Å. In the third Rb site, Rb is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.65–4.13 Å. In the fourth Rb site, Rb is bonded in a 5-coordinate geometry to five Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.78–3.97 Å. In the fifth Rb site, Rb is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.63–4.05 Å. In the sixth Rb site, Rb is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.60–4.06 Å. In the seventh Rb site, Rb is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.89–4.13 Å. In the eighth Rb site, Rb is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.70–3.94 Å. There are four inequivalent Li sites. In the first Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.94–3.20 Å. In the second Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.92–3.13 Å. In the third Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.92–3.23 Å. In the fourth Li site, Li is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.95–3.13 Å. There are sixteen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 2-coordinate geometry to three Rb, two Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.02–3.10 Å. In the second Sn site, Sn is bonded in a 4-coordinate geometry to two Rb, two Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.05–3.09 Å. In the third Sn site, Sn is bonded in a 3-coordinate geometry to two Rb, two Li, and two Sn atoms. There are one shorter (3.02 Å) and one longer (3.08 Å) Sn–Sn bond lengths. In the fourth Sn site, Sn is bonded in a 2-coordinate geometry to two Rb, two Li, and three Sn atoms. There are one shorter (3.03 Å) and two longer (3.08 Å) Sn–Sn bond lengths. In the fifth Sn site, Sn is bonded in a 8-coordinate geometry to three Rb, one Li, and four Sn atoms. There are one shorter (3.00 Å) and one longer (3.10 Å) Sn–Sn bond lengths. In the sixth Sn site, Sn is bonded in a 9-coordinate geometry to four Rb, one Li, and four Sn atoms. There are one shorter (3.02 Å) and one longer (3.09 Å) Sn–Sn bond lengths. In the seventh Sn site, Sn is bonded in a 2-coordinate geometry to three Rb, two Li, and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.02–3.09 Å. In the eighth Sn site, Sn is bonded in a 8-coordinate geometry to three Rb, one Li, and four Sn atoms. There are one shorter (3.01 Å) and one longer (3.05 Å) Sn–Sn bond lengths. In the ninth Sn site, Sn is bonded in a 2-coordinate geometry to two Rb, two Li, and two Sn atoms. There are one shorter (3.05 Å) and one longer (3.08 Å) Sn–Sn bond lengths. In the tenth Sn site, Sn is bonded in a 1-coordinate geometry to three Rb, one Li, and one Sn atom. In the eleventh Sn site, Sn is bonded in a 4-coordinate geometry to two Rb, two Li, and four Sn atoms. The Sn–Sn bond length is 3.04 Å. In the twelfth Sn site, Sn is bonded in a 1-coordinate geometry to three Rb, one Li, and four Sn atoms. There are one shorter (3.01 Å) and one longer (3.05 Å) Sn–Sn bond lengths. In the thirteenth Sn site, Sn is bonded in a 9-coordinate geometry to four Rb, one Li, and four Sn atoms. In the fourteenth Sn site, Sn is bonded in a 9-coordinate geometry to four Rb, one Li, and four Sn atoms. In the fifteenth Sn site, Sn is bonded in a 9-coordinate geometry to four Rb, one Li, and four Sn atoms. In the sixteenth Sn site, Sn is bonded in a 2-coordinate geometry to two Rb, two Li, and two Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd(MnSn)6 by Materials Project

Nd(MnSn)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are three inequivalent Nd sites. In the first Nd site, Nd is bonded to eight Sn atoms to form distorted edge-sharing NdSn8 hexagonal bipyramids. There are a spread of Nd–Sn bond distances ranging from 3.04–3.21 Å. In the second Nd site, Nd is bonded to eight Sn atoms to form distorted edge-sharing NdSn8 hexagonal bipyramids. There are a spread of Nd–Sn bond distances ranging from 3.04–3.21 Å. In the third Nd site, Nd is bonded to eight Sn atoms to form distorted edge-sharing NdSn8 hexagonal bipyramids. There are a spread of Nd–Sn bond distances ranging from 3.03–3.21 Å. There are eighteen inequivalent Mn sites. In the first Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.71–2.87 Å. In the second Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.86 Å. In the third Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.85 Å. In the fourth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.76–2.87 Å. In the fifth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.86 Å. In the sixth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.86 Å. In the seventh Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.71–2.87 Å. In the eighth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.74–2.86 Å. In the ninth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.74–2.87 Å. In the tenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.76–2.86 Å. In the eleventh Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.74–2.86 Å. In the twelfth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.74–2.87 Å. In the thirteenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.86 Å. In the fourteenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.72–2.86 Å. In the fifteenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.86 Å. In the sixteenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.72–2.86 Å. In the seventeenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.75–2.87 Å. In the eighteenth Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.74–2.87 Å. There are eighteen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to one Nd, six Mn, and one Sn atom. The Sn–Sn bond length is 2.99 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to three Nd and six Mn atoms. In the third Sn site, Sn is bonded in a 12-coordinate geometry to three Nd and six Mn atoms. In the fourth Sn site, Sn is bonded in a 8-coordinate geometry to two equivalent Nd and six Mn atoms. In the fifth Sn site, Sn is bonded in a 6-coordinate geometry to six Mn atoms. In the sixth Sn site, Sn is bonded in a 6-coordinate geometry to six Mn atoms. In the seventh Sn site, Sn is bonded in a 7-coordinate geometry to one Nd and six Mn atoms. In the eighth Sn site, Sn is bonded in a 6-coordinate geometry to six Mn atoms. In the ninth Sn site, Sn is bonded in a 7-coordinate geometry to one Nd and six Mn atoms. In the tenth Sn site, Sn is bonded in a 8-coordinate geometry to one Nd, six Mn, and one Sn atom. The Sn–Sn bond length is 2.97 Å. In the eleventh Sn site, Sn is bonded in a 12-coordinate geometry to three Nd and six Mn atoms. In the twelfth Sn site, Sn is bonded in a 8-coordinate geometry to one Nd, six Mn, and one Sn atom. The Sn–Sn bond length is 2.98 Å. In the thirteenth Sn site, Sn is bonded in a 12-coordinate geometry to three Nd and six Mn atoms. In the fourteenth Sn site, Sn is bonded in a 8-coordinate geometry to one Nd, six Mn, and one Sn atom. In the fifteenth Sn site, Sn is bonded in a 8-coordinate geometry to two equivalent Nd and six Mn atoms. In the sixteenth Sn site, Sn is bonded in a 8-coordinate geometry to one Nd, six Mn, and one Sn atom. In the seventeenth Sn site, Sn is bonded in a 6-coordinate geometry to six Mn atoms. In the eighteenth Sn site, Sn is bonded in a 8-coordinate geometry to one Nd, six Mn, and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na20Zn8Sn11 by Materials Project

Na20Zn8Sn11 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are twenty inequivalent Na sites. In the first Na site, Na is bonded in a 4-coordinate geometry to one Na, four Zn, and five Sn atoms. The Na–Na bond length is 3.65 Å. There are a spread of Na–Zn bond distances ranging from 3.23–3.38 Å. There are a spread of Na–Sn bond distances ranging from 3.19–3.64 Å. In the second Na site, Na is bonded in a 1-coordinate geometry to five Zn and four Sn atoms. There are a spread of Na–Zn bond distances ranging from 3.25–3.32 Å. There are a spread of Na–Sn bond distances ranging from 3.20–3.49 Å. In the third Na site, Na is bonded in a 8-coordinate geometry to one Na, three Zn, and five Sn atoms. The Na–Na bond length is 3.70 Å. There are a spread of Na–Zn bond distances ranging from 3.25–3.37 Å. There are a spread of Na–Sn bond distances ranging from 3.21–3.51 Å. In the fourth Na site, Na is bonded in a 8-coordinate geometry to four Zn and four Sn atoms. There are a spread of Na–Zn bond distances ranging from 3.25–3.37 Å. There are a spread of Na–Sn bond distances ranging from 3.24–3.48 Å. In the fifth Na site, Na is bonded in a 2-coordinate geometry to three Zn and six Sn atoms. There are a spread of Na–Zn bond distances ranging from 3.31–3.35 Å. There are a spread of Na–Sn bond distances ranging from 3.19–3.65 Å. In the sixth Na site, Na is bonded in a 9-coordinate geometry to five Zn and four Sn atoms. There are a spread of Na–Zn bond distances ranging from 3.18–3.30 Å. There are a spread of Na–Sn bond distances ranging from 3.20–3.51 Å. In the seventh Na site, Na is bonded in a distorted trigonal planar geometry to one Zn and two Sn atoms. The Na–Zn bond length is 2.97 Å. There are one shorter (3.14 Å) and one longer (3.18 Å) Na–Sn bond lengths. In the eighth Na site, Na is bonded in a distorted trigonal planar geometry to one Na, one Zn, and two Sn atoms. The Na–Na bond length is 3.40 Å. The Na–Zn bond length is 2.97 Å. There are one shorter (3.15 Å) and one longer (3.17 Å) Na–Sn bond lengths. In the ninth Na site, Na is bonded in a 5-coordinate geometry to one Na, one Zn, and four Sn atoms. The Na–Na bond length is 3.50 Å. The Na–Zn bond length is 3.25 Å. There are a spread of Na–Sn bond distances ranging from 3.28–3.43 Å. In the tenth Na site, Na is bonded in a 5-coordinate geometry to one Zn and four Sn atoms. The Na–Zn bond length is 3.35 Å. There are a spread of Na–Sn bond distances ranging from 3.28–3.46 Å. In the eleventh Na site, Na is bonded to four Sn atoms to form distorted NaSn4 tetrahedra that share corners with two equivalent ZnNa5Sn2 octahedra, corners with three NaSn4 tetrahedra, and edges with two NaNaSn4 tetrahedra. The corner-sharing octahedra tilt angles range from 39–85°. There are a spread of Na–Sn bond distances ranging from 3.30–3.50 Å. In the twelfth Na site, Na is bonded to four Sn atoms to form distorted NaSn4 tetrahedra that share corners with two equivalent ZnNa5Sn2 octahedra, corners with three NaNaSn4 tetrahedra, and edges with two NaSn4 tetrahedra. The corner-sharing octahedra tilt angles range from 39–85°. There are a spread of Na–Sn bond distances ranging from 3.31–3.51 Å. In the thirteenth Na site, Na is bonded in a 4-coordinate geometry to one Na, one Zn, and five Sn atoms. The Na–Na bond length is 3.57 Å. The Na–Zn bond length is 3.44 Å. There are a spread of Na–Sn bond distances ranging from 3.36–3.54 Å. In the fourteenth Na site, Na is bonded in a 5-coordinate geometry to two Zn and four Sn atoms. There are one shorter (3.39 Å) and one longer (3.51 Å) Na–Zn bond lengths. There are a spread of Na–Sn bond distances ranging from 3.34–3.42 Å. In the fifteenth Na site, Na is bonded in a 5-coordinate geometry to one Na, two Zn, and four Sn atoms. The Na–Na bond length is 3.55 Å. There are one shorter (3.31 Å) and one longer (3.54 Å) Na–Zn bond lengths. There are a spread of Na–Sn bond distances ranging from 3.28–3.40 Å. In the sixteenth Na site, Na is bonded in a 6-coordinate geometry to two Zn and four Sn atoms. There are one shorter (3.35 Å) and one longer (3.44 Å) Na–Zn bond lengths. There are a spread of Na–Sn bond distances ranging from 3.32–3.42 Å. In the seventeenth Na site, Na is bonded in a 5-coordinate geometry to seven Na, three Zn, and four Sn atoms. The Na–Na bond length is 3.80 Å. There are a spread of Na–Zn bond distances ranging from 3.27–3.66 Å. There are a spread of Na–Sn bond distances ranging from 3.34–3.43 Å. In the eighteenth Na site, Na is bonded in a 4-coordinate geometry to two Zn and four Sn atoms. There are one shorter (3.41 Å) and one longer (3.45 Å) Na–Zn bond lengths. There are a spread of Na–Sn bond distances ranging from 3.35–3.40 Å. In the nineteenth Na site, Na is bonded to one Na and four Sn atoms to form distorted NaNaSn4 tetrahedra that share a cornercorner with one ZnNa5Sn2 octahedra, corners with three NaSn4 tetrahedra, an edgeedge with one ZnNa5Sn2 octahedra, and edges with two NaSn4 tetrahedra. The corner-sharing octahedral tilt angles are 85°. There are a spread of Na–Sn bond distances ranging from 3.31–3.55 Å. In the twentieth Na site, Na is bonded to four Sn atoms to form distorted NaSn4 tetrahedra that share corners with two equivalent ZnNa5Sn2 octahedra, corners with three NaSn4 tetrahedra, and edges with two NaNaSn4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–85°. There are a spread of Na–Sn bond distances ranging from 3.32–3.54 Å. There are eight inequivalent Zn sites. In the first Zn site, Zn is bonded in a 11-coordinate geometry to five Na, two Zn, and four Sn atoms. There are one shorter (2.78 Å) and one longer (2.82 Å) Zn–Zn bond lengths. There are a spread of Zn–Sn bond distances ranging from 2.80–2.99 Å. In the second Zn site, Zn is bonded in a 11-coordinate geometry to five Na, three Zn, and three Sn atoms. There are a spread of Zn–Zn bond distances ranging from 2.82–2.87 Å. There are two shorter (2.83 Å) and one longer (2.87 Å) Zn–Sn bond lengths. In the third Zn site, Zn is bonded to five Na and two Sn atoms to form distorted ZnNa5Sn2 octahedra that share a cornercorner with one SnNa9Zn3 cuboctahedra, corners with seven NaSn4 tetrahedra, and an edgeedge with one NaNaSn4 tetrahedra. Both Zn–Sn bond lengths are 2.59 Å. In the fourth Zn site, Zn is bonded in a 11-coordinate geometry to five Na, two Zn, and four Sn atoms. The Zn–Zn bond length is 2.73 Å. There are a spread of Zn–Sn bond distances ranging from 2.84–2.91 Å. In the fifth Zn site, Zn is bonded in a 11-coordinate geometry to five Na, two Zn, and four Sn atoms. The Zn–Zn bond length is 2.83 Å. There are a spread of Zn–Sn bond distances ranging from 2.84–2.91 Å. In the sixth Zn site, Zn is bonded in a 11-coordinate geometry to five Na, one Zn, and five Sn atoms. There are a spread of Zn–Sn bond distances ranging from 2.66–3.09 Å. In the seventh Zn site, Zn is bonded in a 11-coordinate geometry to five Na, three Zn, and three Sn atoms. There are one shorter (2.72 Å) and one longer (2.85 Å) Zn–Zn bond lengths. There are a spread of Zn–Sn bond distances ranging from 2.70–2.93 Å. In the eighth Zn site, Zn is bonded in a 11-coordinate geometry to five Na, four Zn, and two Sn atoms. The Zn–Zn bond length is 2.69 Å. There are one shorter (2.85 Å) and one longer (2.88 Å) Zn–Sn bond lengths. There are eleven inequivalent Sn sites. In the first Sn site, Sn is bonded in a 10-coordinate geometry to nine Na and one Zn atom. In the second Sn site, Sn is bonded in a 10-coordinate geometry to nine Na and one Zn atom. In the third Sn site, Sn is bonded in a 11-coordinate geometry to five Na, three Zn, and three Sn atoms. There are a spread of Sn–Sn bond distances ranging from 2.97–3.00 Å. In the fourth Sn site, Sn is bonded in a 9-coordinate geometry to eight Na and one Zn atom. In the fifth Sn site, Sn is bonded in a 9-coordinate geometry to eight Na and one Zn atom. In the sixth Sn site, Sn is bonded in a 11-coordinate geometry to six Na, four Zn, and one Sn atom. The Sn–Sn bond length is 2.99 Å. In the seventh Sn site, Sn is bonded in a 11-coordinate geometry to six Na, four Zn, and one Sn atom. The Sn–Sn bond length is 3.01 Å. In the eighth Sn site, Sn is bonded in a 12-coordinate geometry to nine Na, two Zn, and one Sn atom. In the ninth Sn site, Sn is bonded to nine Na and three Zn atoms to form SnNa9Zn3 cuboctahedra that share a cornercorner with one ZnNa5Sn2 octahedra and edges with three equivalent SnNa9Zn3 cuboctahedra. The corner-sharing octahedral tilt angles are 67°. In the tenth Sn site, Sn is bonded in a 11-coordinate geometry to six Na, three Zn, and two Sn atoms. In the eleventh Sn site, Sn is bonded in a 11-coordinate geometry to six Na, four Zn, and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ni4Sn3 by Materials Project

Ni4Sn3 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are twenty inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to three Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.58–2.69 Å. There are a spread of Ni–Sn bond distances ranging from 2.59–2.74 Å. In the second Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.56–2.66 Å. There are a spread of Ni–Sn bond distances ranging from 2.60–2.84 Å. In the third Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.56–2.66 Å. There are a spread of Ni–Sn bond distances ranging from 2.60–2.84 Å. In the fourth Ni site, Ni is bonded in a 9-coordinate geometry to three Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.59–2.65 Å. There are a spread of Ni–Sn bond distances ranging from 2.60–2.75 Å. In the fifth Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.58–2.66 Å. There are a spread of Ni–Sn bond distances ranging from 2.60–2.74 Å. In the sixth Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.58–2.66 Å. There are a spread of Ni–Sn bond distances ranging from 2.60–2.75 Å. In the seventh Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.56–2.72 Å. There are a spread of Ni–Sn bond distances ranging from 2.61–2.95 Å. In the eighth Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.55–2.68 Å. There are a spread of Ni–Sn bond distances ranging from 2.61–2.88 Å. In the ninth Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.54–2.71 Å. There are a spread of Ni–Sn bond distances ranging from 2.62–2.90 Å. In the tenth Ni site, Ni is bonded in a 11-coordinate geometry to five Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.59–2.68 Å. There are a spread of Ni–Sn bond distances ranging from 2.62–2.97 Å. In the eleventh Ni site, Ni is bonded in a 10-coordinate geometry to four Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.58–2.72 Å. There are a spread of Ni–Sn bond distances ranging from 2.60–2.92 Å. In the twelfth Ni site, Ni is bonded in a 11-coordinate geometry to five Ni and six Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.58–2.69 Å. There are a spread of Ni–Sn bond distances ranging from 2.62–2.96 Å. In the thirteenth Ni site, Ni is bonded in a 11-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.49–2.61 Å. In the fourteenth Ni site, Ni is bonded in a 11-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.49–2.62 Å. In the fifteenth Ni site, Ni is bonded in a 5-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.51–2.61 Å. In the sixteenth Ni site, Ni is bonded in a 5-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.51–2.61 Å. In the seventeenth Ni site, Ni is bonded in a 11-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.51–2.61 Å. In the eighteenth Ni site, Ni is bonded in a 5-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.49–2.61 Å. In the nineteenth Ni site, Ni is bonded in a 11-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.52–2.61 Å. In the twentieth Ni site, Ni is bonded in a 5-coordinate geometry to six Ni and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.50–2.61 Å. There are twenty-four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to nine Ni atoms. In the second Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the third Sn site, Sn is bonded in a 9-coordinate geometry to nine Ni atoms. In the fourth Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the fifth Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the sixth Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the seventh Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the eighth Sn site, Sn is bonded in a distorted q6 geometry to nine Ni atoms. In the ninth Sn site, Sn is bonded in a distorted q6 geometry to nine Ni atoms. In the tenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the eleventh Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the twelfth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the thirteenth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the fourteenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the fifteenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the sixteenth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the seventeenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the eighteenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the nineteenth Sn site, Sn is bonded in a 6-coordinate geometry to eight Ni atoms. In the twentieth Sn site, Sn is bonded in a 6-coordinate geometry to eight Ni atoms. In the twenty-first Sn site, Sn is bonded in a 6-coordinate geometry to eight Ni atoms. In the twenty-second Sn site, Sn is bonded in a 6-coordinate geometry to eight Ni atoms. In the twenty-third Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the twenty-fourth Sn site, Sn is bonded in a 10-coordinate geometry to eight Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ni13Sn8P3 by Materials Project

Ni13Sn8P3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are twenty-seven inequivalent Ni sites. In the first Ni site, Ni is bonded in a 1-coordinate geometry to three Ni, five Sn, and one P atom. There are a spread of Ni–Ni bond distances ranging from 2.57–2.74 Å. There are a spread of Ni–Sn bond distances ranging from 2.58–2.71 Å. The Ni–P bond length is 2.24 Å. In the second Ni site, Ni is bonded in a 2-coordinate geometry to one Ni, three Sn, and two P atoms. The Ni–Ni bond length is 2.56 Å. There are a spread of Ni–Sn bond distances ranging from 2.59–2.74 Å. There are one shorter (2.22 Å) and one longer (2.27 Å) Ni–P bond lengths. In the third Ni site, Ni is bonded in a 3-coordinate geometry to two Sn and three P atoms. There are one shorter (2.77 Å) and one longer (2.86 Å) Ni–Sn bond lengths. There are a spread of Ni–P bond distances ranging from 2.20–2.38 Å. In the fourth Ni site, Ni is bonded in a 1-coordinate geometry to three Ni, five Sn, and one P atom. There are one shorter (2.57 Å) and one longer (2.63 Å) Ni–Ni bond lengths. There are a spread of Ni–Sn bond distances ranging from 2.57–2.70 Å. The Ni–P bond length is 2.25 Å. In the fifth Ni site, Ni is bonded in a 2-coordinate geometry to four Sn and two P atoms. There are a spread of Ni–Sn bond distances ranging from 2.60–3.05 Å. There are one shorter (2.23 Å) and one longer (2.28 Å) Ni–P bond lengths. In the sixth Ni site, Ni is bonded in a 3-coordinate geometry to two Sn and three P atoms. There are one shorter (2.78 Å) and one longer (2.85 Å) Ni–Sn bond lengths. There are a spread of Ni–P bond distances ranging from 2.21–2.38 Å. In the seventh Ni site, Ni is bonded in a distorted bent 150 degrees geometry to two Ni, three Sn, and two P atoms. The Ni–Ni bond length is 2.63 Å. There are a spread of Ni–Sn bond distances ranging from 2.63–2.72 Å. There are one shorter (2.21 Å) and one longer (2.24 Å) Ni–P bond lengths. In the eighth Ni site, Ni is bonded in a distorted body-centered cubic geometry to two Ni and six Sn atoms. There are one shorter (2.63 Å) and one longer (2.64 Å) Ni–Ni bond lengths. There are a spread of Ni–Sn bond distances ranging from 2.54–2.65 Å. In the ninth Ni site, Ni is bonded in a 1-coordinate geometry to two Ni, five Sn, and one P atom. The Ni–Ni bond length is 2.60 Å. There are a spread of Ni–Sn bond distances ranging from 2.62–2.69 Å. The Ni–P bond length is 2.23 Å. In the tenth Ni site, Ni is bonded in a 3-coordinate geometry to two Sn and three P atoms. There are one shorter (2.80 Å) and one longer (2.83 Å) Ni–Sn bond lengths. There are a spread of Ni–P bond distances ranging from 2.20–2.38 Å. In the eleventh Ni site, Ni is bonded in a 1-coordinate geometry to one Ni, five Sn, and one P atom. The Ni–Ni bond length is 2.66 Å. There are a spread of Ni–Sn bond distances ranging from 2.64–2.72 Å. The Ni–P bond length is 2.28 Å. In the twelfth Ni site, Ni is bonded in a 1-coordinate geometry to three Ni, five Sn, and one P atom. There are one shorter (2.57 Å) and one longer (2.65 Å) Ni–Ni bond lengths. There are a spread of Ni–Sn bond distances ranging from 2.63–2.70 Å. The Ni–P bond length is 2.28 Å. In the thirteenth Ni site, Ni is bonded in a distorted bent 150 degrees geometry to two Ni, three Sn, and two P atoms. The Ni–Ni bond length is 2.63 Å. There are a spread of Ni–Sn bond distances ranging from 2.64–2.72 Å. There are one shorter (2.21 Å) and one longer (2.23 Å) Ni–P bond lengths. In the fourteenth Ni site, Ni is bonded in a 1-coordinate geometry to one Ni, five Sn, and one P atom. The Ni–Ni bond length is 2.63 Å. There are a spread of Ni–Sn bond distances ranging from 2.62–2.69 Å. The Ni–P bond length is 2.27 Å. In the fifteenth Ni site, Ni is bonded in a distorted body-centered cubic geometry to two Ni and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.56–2.64 Å. In the sixteenth Ni site, Ni is bonded in a 2-coordinate geometry to three Sn and two P atoms. There are a spread of Ni–Sn bond distances ranging from 2.60–2.73 Å. There are one shorter (2.22 Å) and one longer (2.27 Å) Ni–P bond lengths. In the seventeenth Ni site, Ni is bonded in a 1-coordinate geometry to three Ni, five Sn, and one P atom. There are a spread of Ni–Sn bond distances ranging from 2.63–2.70 Å. The Ni–P bond length is 2.28 Å. In the eighteenth Ni site, Ni is bonded in a 2-coordinate geometry to one Ni, three Sn, and two P atoms. There are a spread of Ni–Sn bond distances ranging from 2.60–2.73 Å. There are one shorter (2.22 Å) and one longer (2.27 Å) Ni–P bond lengths. In the nineteenth Ni site, Ni is bonded in a 2-coordinate geometry to four Sn and two equivalent P atoms. There are two shorter (2.65 Å) and two longer (2.67 Å) Ni–Sn bond lengths. Both Ni–P bond lengths are 2.30 Å. In the twentieth Ni site, Ni is bonded in a 2-coordinate geometry to three Sn and two P atoms. There are a spread of Ni–Sn bond distances ranging from 2.61–2.73 Å. There are one shorter (2.23 Å) and one longer (2.24 Å) Ni–P bond lengths. In the twenty-first Ni site, Ni is bonded in a 1-coordinate geometry to one Ni, five Sn, and one P atom. There are a spread of Ni–Sn bond distances ranging from 2.57–2.73 Å. The Ni–P bond length is 2.19 Å. In the twenty-second Ni site, Ni is bonded in a distorted water-like geometry to three Sn and two equivalent P atoms. There are a spread of Ni–Sn bond distances ranging from 2.70–2.87 Å. There are one shorter (2.21 Å) and one longer (2.24 Å) Ni–P bond lengths. In the twenty-third Ni site, Ni is bonded in a 2-coordinate geometry to three Sn and two P atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.73 Å. There are one shorter (2.20 Å) and one longer (2.23 Å) Ni–P bond lengths. In the twenty-fourth Ni site, Ni is bonded in a 1-coordinate geometry to two Ni, five Sn, and one P atom. The Ni–Ni bond length is 2.60 Å. There are a spread of Ni–Sn bond distances ranging from 2.61–2.71 Å. The Ni–P bond length is 2.23 Å. In the twenty-fifth Ni site, Ni is bonded in a 3-coordinate geometry to two Sn and three P atoms. There are one shorter (2.79 Å) and one longer (2.86 Å) Ni–Sn bond lengths. There are a spread of Ni–P bond distances ranging from 2.21–2.39 Å. In the twenty-sixth Ni site, Ni is bonded in a distorted body-centered cubic geometry to two Ni and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.65 Å. In the twenty-seventh Ni site, Ni is bonded in a distorted body-centered cubic geometry to two equivalent Ni and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.59–2.63 Å. There are sixteen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the second Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the fourth Sn site, Sn is bonded in a 8-coordinate geometry to eight Ni atoms. In the fifth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the sixth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the seventh Sn site, Sn is bonded in a 6-coordinate geometry to seven Ni atoms. In the eighth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the ninth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the tenth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. In the eleventh Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the twelfth Sn site, Sn is bonded in a 5-coordinate geometry to five Ni atoms. In the thirteenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the fourteenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the fifteenth Sn site, Sn is bonded in a 7-coordinate geometry to seven Ni atoms. In the sixteenth Sn site, Sn is bonded in a 6-coordinate geometry to six Ni atoms. There are six inequivalent P sites. In the first P site, P is bonded in a 6-coordinate geometry to six Ni atoms. In the second P site, P is bonded in a 7-coordinate geometry to seven Ni atoms. In the third P site, P is bonded in a 6-coordinate geometry to six Ni atoms. In the fourth P site, P is bonded in a 7-coordinate geometry to seven Ni atoms. In the fifth P site, P is bonded in a 7-coordinate geometry to seven Ni atoms. In the sixth P site, P is bonded in a 7-coordinate geometry to seven Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu12Co31Sn16 by Materials Project

Lu12Co31Sn16 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are eight inequivalent Lu sites. In the first Lu site, Lu is bonded in a 12-coordinate geometry to six Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.35 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.23 Å. In the second Lu site, Lu is bonded in a 11-coordinate geometry to six Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 3.00–3.51 Å. There are a spread of Lu–Sn bond distances ranging from 3.10–3.24 Å. In the third Lu site, Lu is bonded in a 12-coordinate geometry to six Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 3.01–3.37 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.24 Å. In the fourth Lu site, Lu is bonded in a 11-coordinate geometry to five Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.09 Å. There are a spread of Lu–Sn bond distances ranging from 3.10–3.25 Å. In the fifth Lu site, Lu is bonded in a 12-coordinate geometry to eight Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.52 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.24 Å. In the sixth Lu site, Lu is bonded in a 11-coordinate geometry to seven Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.98–3.52 Å. There are a spread of Lu–Sn bond distances ranging from 3.11–3.25 Å. In the seventh Lu site, Lu is bonded in a 11-coordinate geometry to seven Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.49 Å. There are a spread of Lu–Sn bond distances ranging from 3.11–3.26 Å. In the eighth Lu site, Lu is bonded in a 12-coordinate geometry to eight Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.98–3.51 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.25 Å. There are twenty-three inequivalent Co sites. In the first Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with four SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.38–2.64 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.72 Å. In the second Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with four SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.37–2.63 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.71 Å. In the third Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with five SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.37–2.54 Å. There are one shorter (2.61 Å) and two longer (2.64 Å) Co–Sn bond lengths. In the fourth Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with three SnLu4Co8 cuboctahedra, corners with four CoLu2Co7Sn3 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.37–2.53 Å. There are one shorter (2.63 Å) and two longer (2.71 Å) Co–Sn bond lengths. In the fifth Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with five SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.38–2.63 Å. There are a spread of Co–Sn bond distances ranging from 2.60–2.64 Å. In the sixth Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with two SnLu4Co8 cuboctahedra, corners with four CoLu2Co7Sn3 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.36–2.65 Å. There are a spread of Co–Sn bond distances ranging from 2.63–2.66 Å. In the seventh Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with five SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.38–2.56 Å. There are one shorter (2.59 Å) and two longer (2.62 Å) Co–Sn bond lengths. In the eighth Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, corners with four CoLu2Co7Sn3 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.35–2.56 Å. There are two shorter (2.64 Å) and one longer (2.67 Å) Co–Sn bond lengths. In the ninth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.49 Å. There are a spread of Co–Sn bond distances ranging from 2.61–2.78 Å. In the tenth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.46 Å. There are a spread of Co–Sn bond distances ranging from 2.61–2.77 Å. In the eleventh Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.50 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.76 Å. In the twelfth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.45 Å. There are a spread of Co–Sn bond distances ranging from 2.63–2.78 Å. In the thirteenth Co site, Co is bonded in a 12-coordinate geometry to two Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.48 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.76 Å. In the fourteenth Co site, Co is bonded in a 12-coordinate geometry to two Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.48 Å. There are a spread of Co–Sn bond distances ranging from 2.61–2.74 Å. In the fifteenth Co site, Co is bonded in a 12-coordinate geometry to two equivalent Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.49 Å. There are a spread of Co–Sn bond distances ranging from 2.63–2.75 Å. In the sixteenth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.49 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.72 Å. In the seventeenth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are two shorter (2.65 Å) and one longer (2.68 Å) Co–Sn bond lengths. In the eighteenth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share a cornercorner with one SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. All Co–Sn bond lengths are 2.65 Å. In the nineteenth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share corners with three SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are two shorter (2.66 Å) and one longer (2.78 Å) Co–Sn bond lengths. In the twentieth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share corners with three SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are one shorter (2.69 Å) and two longer (2.77 Å) Co–Sn bond lengths. In the twenty-first Co site, Co is bonded in a 10-coordinate geometry to six Lu and four Sn atoms. There are three shorter (2.48 Å) and one longer (2.64 Å) Co–Sn bond lengths. In the twenty-second Co site, Co is bonded in a 10-coordinate geometry to six Lu and four Sn atoms. There are a spread of Co–Sn bond distances ranging from 2.48–2.64 Å. In the twenty-third Co site, Co is bonded in a 10-coordinate geometry to six Lu and four Sn atoms. There are a spread of Co–Sn bond distances ranging from 2.48–2.61 Å. There are twelve inequivalent Sn sites. In the first Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with six SnLu4Co8 cuboctahedra, and faces with eight CoLu2Co7Sn3 cuboctahedra. In the second Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with six SnLu4Co8 cuboctahedra, and faces with eight CoLu2Co7Sn3 cuboctahedra. In the third Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with four equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with eight CoCo9Sn3 cuboctahedra, and faces with eight SnLu4Co8 cuboctahedra. In the fourth Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with six CoCo9Sn3 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. In the fifth Sn site, Sn is bonded to four Lu and eight Co atoms to form SnLu4Co8 cuboctahedra that share corners with four SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with seven SnLu4Co8 cuboctahedra, and faces with eight CoLu2Co7Sn3 cuboctahedra. In the sixth Sn site, Sn is bonded in a 11-coordinate geometry to four Lu and seven Co atoms. In the seventh Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with four equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with six SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. In the eighth Sn site, Sn is bonded in a 11-coordinate geometry to four Lu and seven Co atoms. In the ninth Sn site, Sn is bonded in a 10-coordinate geometry to six Lu and four Co atoms. In the tenth Sn site, Sn is bonded in a 10-coordinate geometry to six Lu and four Co atoms. In the eleventh Sn site, Sn is bonded in a 10-coordinate geometry to six Lu and four Co atoms. In the twelfth Sn site, Sn is bonded in a 9-coordinate geometry to six Lu and three Co atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba(SnSe)32 by Materials Project

Ba(SnSe)32 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Ba is bonded in a 6-coordinate geometry to two equivalent Sn and seven Se atoms. Both Ba–Sn bond lengths are 3.58 Å. There are a spread of Ba–Se bond distances ranging from 3.31–3.64 Å. There are twenty inequivalent Sn sites. In the first Sn site, Sn is bonded in a 3-coordinate geometry to three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.79–2.86 Å. In the second Sn site, Sn is bonded in a rectangular see-saw-like geometry to four Se atoms. There are a spread of Sn–Se bond distances ranging from 2.80–3.07 Å. In the third Sn site, Sn is bonded in a 3-coordinate geometry to three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.75–2.84 Å. In the fourth Sn site, Sn is bonded in a 3-coordinate geometry to three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.72–3.08 Å. In the fifth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are one shorter (2.78 Å) and two longer (2.85 Å) Sn–Se bond lengths. In the sixth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four Se atoms. There are a spread of Sn–Se bond distances ranging from 2.81–3.11 Å. In the seventh Sn site, Sn is bonded in a 3-coordinate geometry to three Se atoms. There are one shorter (2.79 Å) and two longer (2.83 Å) Sn–Se bond lengths. In the eighth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.78–2.85 Å. In the ninth Sn site, Sn is bonded in a 4-coordinate geometry to four Se atoms. There are a spread of Sn–Se bond distances ranging from 2.79–3.05 Å. In the tenth Sn site, Sn is bonded in a 4-coordinate geometry to three Se atoms. There are two shorter (2.81 Å) and one longer (2.91 Å) Sn–Se bond lengths. In the eleventh Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are one shorter (2.79 Å) and two longer (2.84 Å) Sn–Se bond lengths. In the twelfth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.80–2.87 Å. In the thirteenth Sn site, Sn is bonded in a distorted rectangular see-saw-like geometry to four Se atoms. There are a spread of Sn–Se bond distances ranging from 2.80–3.21 Å. In the fourteenth Sn site, Sn is bonded in a 5-coordinate geometry to one Ba and three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.71–2.93 Å. In the fifteenth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. All Sn–Se bond lengths are 2.81 Å. In the sixteenth Sn site, Sn is bonded in a 3-coordinate geometry to three Se atoms. There are a spread of Sn–Se bond distances ranging from 2.78–2.91 Å. In the seventeenth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are one shorter (2.81 Å) and two longer (2.84 Å) Sn–Se bond lengths. In the eighteenth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are one shorter (2.80 Å) and two longer (2.85 Å) Sn–Se bond lengths. In the nineteenth Sn site, Sn is bonded in a distorted octahedral geometry to six Se atoms. There are a spread of Sn–Se bond distances ranging from 2.85–3.30 Å. In the twentieth Sn site, Sn is bonded in a distorted T-shaped geometry to three Se atoms. There are one shorter (2.77 Å) and two longer (2.86 Å) Sn–Se bond lengths. There are twenty inequivalent Se sites. In the first Se site, Se is bonded in a 3-coordinate geometry to three Sn atoms. In the second Se site, Se is bonded in a distorted trigonal non-coplanar geometry to three Sn atoms. In the third Se site, Se is bonded in a distorted trigonal non-coplanar geometry to three Sn atoms. In the fourth Se site, Se is bonded to four Sn atoms to form distorted SeSn4 tetrahedra that share corners with two SeSn5 trigonal bipyramids and corners with two SeBaSn3 trigonal pyramids. In the fifth Se site, Se is bonded to one Ba and three Sn atoms to form distorted SeBaSn3 trigonal pyramids that share corners with three SeSn4 tetrahedra, a cornercorner with one SeSn5 trigonal bipyramid, and edges with two equivalent SeBaSn4 trigonal bipyramids. In the sixth Se site, Se is bonded to five Sn atoms to form distorted SeSn5 trigonal bipyramids that share corners with two equivalent SeSn4 tetrahedra, corners with two equivalent SeBaSn4 trigonal bipyramids, and corners with three SeBaSn3 trigonal pyramids. In the seventh Se site, Se is bonded in a distorted trigonal non-coplanar geometry to three Sn atoms. In the eighth Se site, Se is bonded in a 3-coordinate geometry to three Sn atoms. In the ninth Se site, Se is bonded in a see-saw-like geometry to one Ba and three Sn atoms. In the tenth Se site, Se is bonded to one Ba and four Sn atoms to form distorted SeBaSn4 trigonal bipyramids that share a cornercorner with one SeSn4 tetrahedra, a cornercorner with one SeSn5 trigonal bipyramid, a cornercorner with one SeSn4 trigonal pyramid, an edgeedge with one SeBaSn3 tetrahedra, an edgeedge with one SeBaSn4 trigonal bipyramid, and an edgeedge with one SeBaSn3 trigonal pyramid. In the eleventh Se site, Se is bonded in a trigonal non-coplanar geometry to three Sn atoms. In the twelfth Se site, Se is bonded in a distorted trigonal non-coplanar geometry to three Sn atoms. In the thirteenth Se site, Se is bonded in a distorted trigonal non-coplanar geometry to three Sn atoms. In the fourteenth Se site, Se is bonded in a 4-coordinate geometry to one Ba and three Sn atoms. In the fifteenth Se site, Se is bonded in a 3-coordinate geometry to three Sn atoms. In the sixteenth Se site, Se is bonded to one Ba and three Sn atoms to form distorted SeBaSn3 tetrahedra that share corners with three SeBaSn3 trigonal pyramids and edges with two equivalent SeBaSn4 trigonal bipyramids. In the seventeenth Se site, Se is bonded in a 4-coordinate geometry to four Sn atoms. In the eighteenth Se site, Se is bonded in a 3-coordinate geometry to three Sn atoms. In the nineteenth Se site, Se is bonded to four Sn atoms to form distorted SeSn4 trigonal pyramids that share corners with two SeSn4 tetrahedra, corners with two SeSn5 trigonal bipyramids, and a cornercorner with one SeSn4 trigonal pyramid. In the twentieth Se site, Se is bonded in a distorted trigonal non-coplanar geometry to three Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K4Zn2Sn21 by Materials Project

K4Zn2Sn21 crystallizes in the orthorhombic Ama2 space group. The structure is three-dimensional. there are four inequivalent K sites. In the first K site, K is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of K–Sn bond distances ranging from 4.08–4.19 Å. In the second K site, K is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of K–Sn bond distances ranging from 4.09–4.18 Å. In the third K site, K is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of K–Sn bond distances ranging from 4.08–4.18 Å. In the fourth K site, K is bonded in a 12-coordinate geometry to twelve Sn atoms. There are a spread of K–Sn bond distances ranging from 3.86–4.05 Å. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded to four Sn atoms to form ZnSn4 tetrahedra that share corners with eight SnKSn4 trigonal bipyramids. There are two shorter (2.77 Å) and two longer (2.78 Å) Zn–Sn bond lengths. In the second Zn site, Zn is bonded to four Sn atoms to form ZnSn4 tetrahedra that share corners with eight SnKSn4 trigonal bipyramids. There are one shorter (2.72 Å) and three longer (2.73 Å) Zn–Sn bond lengths. There are thirteen inequivalent Sn sites. In the first Sn site, Sn is bonded to four Sn atoms to form corner-sharing SnSn4 tetrahedra. There are one shorter (2.93 Å) and three longer (2.94 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a distorted single-bond geometry to two K, one Zn, and two Sn atoms. Both Sn–Sn bond lengths are 2.87 Å. In the third Sn site, Sn is bonded in a 4-coordinate geometry to three K and four Sn atoms. There are a spread of Sn–Sn bond distances ranging from 2.86–2.96 Å. In the fourth Sn site, Sn is bonded in a 4-coordinate geometry to three K and four Sn atoms. There are two shorter (2.86 Å) and one longer (2.95 Å) Sn–Sn bond lengths. In the fifth Sn site, Sn is bonded in a distorted single-bond geometry to two K, one Zn, and two Sn atoms. Both Sn–Sn bond lengths are 2.88 Å. In the sixth Sn site, Sn is bonded in a distorted single-bond geometry to two K, one Zn, and three Sn atoms. Both Sn–Sn bond lengths are 2.88 Å. In the seventh Sn site, Sn is bonded in a distorted single-bond geometry to two equivalent K, one Zn, and three Sn atoms. There are two shorter (2.89 Å) and one longer (2.96 Å) Sn–Sn bond lengths. In the eighth Sn site, Sn is bonded in a distorted single-bond geometry to two equivalent K, one Zn, and three Sn atoms. Both Sn–Sn bond lengths are 2.88 Å. In the ninth Sn site, Sn is bonded in a 4-coordinate geometry to three K and four Sn atoms. Both Sn–Sn bond lengths are 2.87 Å. In the tenth Sn site, Sn is bonded to one K and four Sn atoms to form distorted SnKSn4 trigonal bipyramids that share a cornercorner with one ZnSn4 tetrahedra, corners with two equivalent SnSn4 tetrahedra, corners with four SnKSn4 trigonal bipyramids, and edges with three SnKSn4 trigonal bipyramids. The Sn–Sn bond length is 2.88 Å. In the eleventh Sn site, Sn is bonded to one K and four Sn atoms to form distorted SnKSn4 trigonal bipyramids that share corners with three ZnSn4 tetrahedra, corners with four SnKSn4 trigonal bipyramids, and edges with three SnKSn4 trigonal bipyramids. The Sn–Sn bond length is 2.93 Å. In the twelfth Sn site, Sn is bonded to one K and four Sn atoms to form distorted SnKSn4 trigonal bipyramids that share a cornercorner with one SnSn4 tetrahedra, corners with two ZnSn4 tetrahedra, corners with four SnKSn4 trigonal bipyramids, and edges with three SnKSn4 trigonal bipyramids. The Sn–Sn bond length is 2.90 Å. In the thirteenth Sn site, Sn is bonded to one K and four Sn atoms to form distorted SnKSn4 trigonal bipyramids that share a cornercorner with one SnSn4 tetrahedra, corners with two ZnSn4 tetrahedra, corners with four SnKSn4 trigonal bipyramids, and edges with three SnKSn4 trigonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K7Na17(ZnSn2)4 by Materials Project

K7Na17(ZnSn2)4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are seven inequivalent K sites. In the first K site, K is bonded in a 2-coordinate geometry to one Na, one Zn, and three Sn atoms. The K–Na bond length is 4.11 Å. The K–Zn bond length is 3.40 Å. There are a spread of K–Sn bond distances ranging from 3.65–4.01 Å. In the second K site, K is bonded in a 2-coordinate geometry to one Na, one Zn, and three Sn atoms. The K–Na bond length is 3.73 Å. The K–Zn bond length is 3.41 Å. There are a spread of K–Sn bond distances ranging from 3.66–4.01 Å. In the third K site, K is bonded in a 2-coordinate geometry to one Zn and four Sn atoms. The K–Zn bond length is 3.42 Å. There are a spread of K–Sn bond distances ranging from 3.68–4.07 Å. In the fourth K site, K is bonded in a 2-coordinate geometry to one Zn and three Sn atoms. The K–Zn bond length is 3.41 Å. There are a spread of K–Sn bond distances ranging from 3.67–4.08 Å. In the fifth K site, K is bonded in a 4-coordinate geometry to four Sn atoms. There are a spread of K–Sn bond distances ranging from 3.66–3.87 Å. In the sixth K site, K is bonded in a 4-coordinate geometry to four Sn atoms. There are a spread of K–Sn bond distances ranging from 3.64–3.86 Å. In the seventh K site, K is bonded in a 4-coordinate geometry to four Sn atoms. There are a spread of K–Sn bond distances ranging from 3.64–3.86 Å. There are seventeen inequivalent Na sites. In the first Na site, Na is bonded in a 3-coordinate geometry to one Zn and two Sn atoms. The Na–Zn bond length is 3.07 Å. There are one shorter (3.34 Å) and one longer (3.43 Å) Na–Sn bond lengths. In the second Na site, Na is bonded in a 3-coordinate geometry to one Zn and two Sn atoms. The Na–Zn bond length is 3.06 Å. There are one shorter (3.28 Å) and one longer (3.42 Å) Na–Sn bond lengths. In the third Na site, Na is bonded in a 3-coordinate geometry to one Zn and three Sn atoms. The Na–Zn bond length is 3.08 Å. There are a spread of Na–Sn bond distances ranging from 3.29–3.72 Å. In the fourth Na site, Na is bonded in a 3-coordinate geometry to one Na, one Zn, and three Sn atoms. The Na–Na bond length is 3.90 Å. The Na–Zn bond length is 3.09 Å. There are a spread of Na–Sn bond distances ranging from 3.27–3.73 Å. In the fifth Na site, Na is bonded in a 4-coordinate geometry to one Zn and three Sn atoms. The Na–Zn bond length is 3.22 Å. There are a spread of Na–Sn bond distances ranging from 3.32–3.51 Å. In the sixth Na site, Na is bonded in a 4-coordinate geometry to one Na, one Zn, and three Sn atoms. The Na–Na bond length is 3.71 Å. The Na–Zn bond length is 3.20 Å. There are a spread of Na–Sn bond distances ranging from 3.30–3.54 Å. In the seventh Na site, Na is bonded in a 4-coordinate geometry to one Na, one Zn, and three Sn atoms. The Na–Na bond length is 3.67 Å. The Na–Zn bond length is 3.23 Å. There are a spread of Na–Sn bond distances ranging from 3.33–3.49 Å. In the eighth Na site, Na is bonded in a 4-coordinate geometry to one Na, one Zn, and three Sn atoms. The Na–Na bond length is 3.71 Å. The Na–Zn bond length is 3.21 Å. There are a spread of Na–Sn bond distances ranging from 3.33–3.53 Å. In the ninth Na site, Na is bonded in a 3-coordinate geometry to one Na, one Zn, and three Sn atoms. The Na–Na bond length is 3.84 Å. The Na–Zn bond length is 3.11 Å. There are a spread of Na–Sn bond distances ranging from 3.29–3.42 Å. In the tenth Na site, Na is bonded in a 4-coordinate geometry to one Zn and three Sn atoms. The Na–Zn bond length is 3.13 Å. There are a spread of Na–Sn bond distances ranging from 3.31–3.41 Å. In the eleventh Na site, Na is bonded in a 3-coordinate geometry to one Zn and three Sn atoms. The Na–Zn bond length is 3.12 Å. There are a spread of Na–Sn bond distances ranging from 3.30–3.43 Å. In the twelfth Na site, Na is bonded in a 3-coordinate geometry to one Zn and three Sn atoms. The Na–Zn bond length is 3.13 Å. There are a spread of Na–Sn bond distances ranging from 3.30–3.42 Å. In the thirteenth Na site, Na is bonded in a 3-coordinate geometry to one Na and three Sn atoms. The Na–Na bond length is 3.60 Å. There are a spread of Na–Sn bond distances ranging from 3.33–3.39 Å. In the fourteenth Na site, Na is bonded in a 3-coordinate geometry to three Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.34–3.44 Å. In the fifteenth Na site, Na is bonded in a 3-coordinate geometry to three Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.29–3.42 Å. In the sixteenth Na site, Na is bonded in a 3-coordinate geometry to three Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.31–3.43 Å. In the seventeenth Na site, Na is bonded in a 12-coordinate geometry to two K, six Na, and four Sn atoms. There are a spread of Na–Sn bond distances ranging from 3.58–3.86 Å. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded in a 6-coordinate geometry to one K, three Na, and two Sn atoms. There are one shorter (2.60 Å) and one longer (2.63 Å) Zn–Sn bond lengths. In the second Zn site, Zn is bonded in a 6-coordinate geometry to one K, three Na, and two Sn atoms. There are one shorter (2.59 Å) and one longer (2.61 Å) Zn–Sn bond lengths. In the third Zn site, Zn is bonded in a 6-coordinate geometry to one K, three Na, and two Sn atoms. There are one shorter (2.59 Å) and one longer (2.61 Å) Zn–Sn bond lengths. In the fourth Zn site, Zn is bonded in a 6-coordinate geometry to one K, three Na, and two Sn atoms. There are one shorter (2.59 Å) and one longer (2.62 Å) Zn–Sn bond lengths. There are eight inequivalent Sn sites. In the first Sn site, Sn is bonded in a 10-coordinate geometry to two K, seven Na, and one Zn atom. In the second Sn site, Sn is bonded in a 10-coordinate geometry to three K, six Na, and one Zn atom. In the third Sn site, Sn is bonded in a 10-coordinate geometry to three K, six Na, and one Zn atom. In the fourth Sn site, Sn is bonded in a 10-coordinate geometry to two K, seven Na, and one Zn atom. In the fifth Sn site, Sn is bonded in a 1-coordinate geometry to three K, six Na, and one Zn atom. In the sixth Sn site, Sn is bonded in a 1-coordinate geometry to two K, six Na, and one Zn atom. In the seventh Sn site, Sn is bonded in a 12-coordinate geometry to five K, six Na, and one Zn atom. In the eighth Sn site, Sn is bonded in a 12-coordinate geometry to five K, six Na, and one Zn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm9Ni24Sn49 by Materials Project

Sm9Ni24Sn49 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are four inequivalent Sm sites. In the first Sm site, Sm is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are a spread of Sm–Ni bond distances ranging from 3.28–3.32 Å. There are a spread of Sm–Sn bond distances ranging from 3.30–3.61 Å. In the second Sm site, Sm is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are four shorter (3.29 Å) and two longer (3.30 Å) Sm–Ni bond lengths. There are a spread of Sm–Sn bond distances ranging from 3.30–3.64 Å. In the third Sm site, Sm is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are four shorter (3.29 Å) and two longer (3.30 Å) Sm–Ni bond lengths. There are a spread of Sm–Sn bond distances ranging from 3.32–3.62 Å. In the fourth Sm site, Sm is bonded in a cuboctahedral geometry to twelve Sn atoms. There are a spread of Sm–Sn bond distances ranging from 3.40–3.44 Å. There are eight inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to two Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.67 Å. In the second Ni site, Ni is bonded in a 8-coordinate geometry to two Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.67 Å. In the third Ni site, Ni is bonded in a 8-coordinate geometry to two Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.70 Å. In the fourth Ni site, Ni is bonded in a 8-coordinate geometry to two Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.68 Å. In the fifth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.54–2.70 Å. In the sixth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.68 Å. In the seventh Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.54–2.66 Å. In the eighth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Sm and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.54–2.67 Å. There are seventeen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 5-coordinate geometry to two Sm, three Ni, and one Sn atom. The Sn–Sn bond length is 3.30 Å. In the second Sn site, Sn is bonded in a 6-coordinate geometry to three Sm and three Ni atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to three Sm and three Ni atoms. In the fourth Sn site, Sn is bonded in a 5-coordinate geometry to two Sm, three Ni, and one Sn atom. The Sn–Sn bond length is 3.31 Å. In the fifth Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Sm, three Ni, and one Sn atom. The Sn–Sn bond length is 3.28 Å. In the sixth Sn site, Sn is bonded in a 6-coordinate geometry to three Sm and three Ni atoms. In the seventh Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Sm, three Ni, and one Sn atom. The Sn–Sn bond length is 3.33 Å. In the eighth Sn site, Sn is bonded in a 6-coordinate geometry to three Sm and three Ni atoms. In the ninth Sn site, Sn is bonded in a 3-coordinate geometry to two Sm and three Ni atoms. In the tenth Sn site, Sn is bonded in a 3-coordinate geometry to two Sm and three Ni atoms. In the eleventh Sn site, Sn is bonded in a 3-coordinate geometry to two Sm and three Ni atoms. In the twelfth Sn site, Sn is bonded in a 3-coordinate geometry to two Sm and three Ni atoms. In the thirteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Sm and three Ni atoms. In the fourteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Sm and three Ni atoms. In the fifteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Sm and three Ni atoms. In the sixteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Sm and three Ni atoms. In the seventeenth Sn site, Sn is bonded in a cuboctahedral geometry to twelve Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb4Sn21Hg2 by Materials Project

Rb4Hg2Sn21 crystallizes in the orthorhombic Ama2 space group. The structure is three-dimensional. there are four inequivalent Rb sites. In the first Rb site, Rb is bonded in a 8-coordinate geometry to twenty Sn atoms. There are a spread of Rb–Sn bond distances ranging from 3.93–4.17 Å. In the second Rb site, Rb is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of Rb–Sn bond distances ranging from 4.18–4.23 Å. In the third Rb site, Rb is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of Rb–Sn bond distances ranging from 4.19–4.25 Å. In the fourth Rb site, Rb is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of Rb–Sn bond distances ranging from 4.18–4.24 Å. There are two inequivalent Hg sites. In the first Hg site, Hg is bonded to four Sn atoms to form HgSn4 tetrahedra that share corners with six SnRbSn4 trigonal bipyramids. There are two shorter (2.89 Å) and two longer (2.90 Å) Hg–Sn bond lengths. In the second Hg site, Hg is bonded to four Sn atoms to form HgSn4 tetrahedra that share corners with eight SnRbSn4 trigonal bipyramids. All Hg–Sn bond lengths are 2.87 Å. There are thirteen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 5-coordinate geometry to one Rb and four Sn atoms. There are three shorter (2.88 Å) and one longer (2.90 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded to one Rb and four Sn atoms to form distorted SnRbSn4 trigonal bipyramids that share corners with three HgSn4 tetrahedra, corners with two SnRbSn4 trigonal bipyramids, and edges with three SnRbSn4 trigonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 2.88–2.96 Å. In the third Sn site, Sn is bonded to one Rb and four Sn atoms to form distorted SnRbSn4 trigonal bipyramids that share a cornercorner with one SnSn4 tetrahedra, corners with two HgSn4 tetrahedra, corners with three SnRbSn4 trigonal bipyramids, and edges with two SnRbSn4 trigonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 2.87–2.93 Å. In the fourth Sn site, Sn is bonded to one Rb and four Sn atoms to form distorted SnRbSn4 trigonal bipyramids that share a cornercorner with one SnSn4 tetrahedra, corners with two HgSn4 tetrahedra, corners with three SnRbSn4 trigonal bipyramids, and edges with two SnRbSn4 trigonal bipyramids. There are one shorter (2.87 Å) and two longer (2.89 Å) Sn–Sn bond lengths. In the fifth Sn site, Sn is bonded in a 7-coordinate geometry to three Rb and four Sn atoms. There are one shorter (2.95 Å) and one longer (2.98 Å) Sn–Sn bond lengths. In the sixth Sn site, Sn is bonded in a 7-coordinate geometry to three Rb and four Sn atoms. There are one shorter (2.95 Å) and one longer (2.97 Å) Sn–Sn bond lengths. In the seventh Sn site, Sn is bonded in a 7-coordinate geometry to three Rb, one Hg, and three Sn atoms. The Sn–Sn bond length is 2.98 Å. In the eighth Sn site, Sn is bonded in a 4-coordinate geometry to three Rb, one Hg, and three Sn atoms. In the ninth Sn site, Sn is bonded in a 7-coordinate geometry to three Rb, one Hg, and three Sn atoms. The Sn–Sn bond length is 2.96 Å. In the tenth Sn site, Sn is bonded in a 7-coordinate geometry to three Rb, one Hg, and three Sn atoms. The Sn–Sn bond length is 2.97 Å. In the eleventh Sn site, Sn is bonded in a 7-coordinate geometry to three Rb and four Sn atoms. The Sn–Sn bond length is 2.95 Å. In the twelfth Sn site, Sn is bonded in a 4-coordinate geometry to three Rb, one Hg, and three Sn atoms. In the thirteenth Sn site, Sn is bonded to four Sn atoms to form corner-sharing SnSn4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Pr9Ni24Sn49 by Materials Project

Pr9Ni24Sn49 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are four inequivalent Pr sites. In the first Pr site, Pr is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are a spread of Pr–Ni bond distances ranging from 3.29–3.34 Å. There are a spread of Pr–Sn bond distances ranging from 3.32–3.65 Å. In the second Pr site, Pr is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are four shorter (3.30 Å) and two longer (3.31 Å) Pr–Ni bond lengths. There are a spread of Pr–Sn bond distances ranging from 3.32–3.68 Å. In the third Pr site, Pr is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are four shorter (3.30 Å) and two longer (3.32 Å) Pr–Ni bond lengths. There are a spread of Pr–Sn bond distances ranging from 3.35–3.64 Å. In the fourth Pr site, Pr is bonded in a cuboctahedral geometry to twelve Sn atoms. There are a spread of Pr–Sn bond distances ranging from 3.44–3.50 Å. There are eight inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to two Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.56–2.68 Å. In the second Ni site, Ni is bonded in a 8-coordinate geometry to two Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.58–2.69 Å. In the third Ni site, Ni is bonded in a 8-coordinate geometry to two Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.58–2.73 Å. In the fourth Ni site, Ni is bonded in a 8-coordinate geometry to two Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.57–2.69 Å. In the fifth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.57–2.72 Å. In the sixth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.56–2.68 Å. In the seventh Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.67 Å. In the eighth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Pr and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.56–2.70 Å. There are seventeen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 5-coordinate geometry to two Pr, three Ni, and one Sn atom. The Sn–Sn bond length is 3.30 Å. In the second Sn site, Sn is bonded in a 6-coordinate geometry to three Pr and three Ni atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to three Pr and three Ni atoms. In the fourth Sn site, Sn is bonded in a 5-coordinate geometry to two Pr, three Ni, and one Sn atom. The Sn–Sn bond length is 3.32 Å. In the fifth Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Pr, three Ni, and one Sn atom. The Sn–Sn bond length is 3.26 Å. In the sixth Sn site, Sn is bonded in a 6-coordinate geometry to three Pr and three Ni atoms. In the seventh Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Pr, three Ni, and one Sn atom. The Sn–Sn bond length is 3.34 Å. In the eighth Sn site, Sn is bonded in a 6-coordinate geometry to three Pr and three Ni atoms. In the ninth Sn site, Sn is bonded in a 3-coordinate geometry to two Pr and three Ni atoms. In the tenth Sn site, Sn is bonded in a 3-coordinate geometry to two Pr and three Ni atoms. In the eleventh Sn site, Sn is bonded in a 3-coordinate geometry to two Pr and three Ni atoms. In the twelfth Sn site, Sn is bonded in a 3-coordinate geometry to two Pr and three Ni atoms. In the thirteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Pr and three Ni atoms. In the fourteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Pr and three Ni atoms. In the fifteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Pr and three Ni atoms. In the sixteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Pr and three Ni atoms. In the seventeenth Sn site, Sn is bonded in a cuboctahedral geometry to twelve Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb9Ni24Sn49 by Materials Project

Tb9Ni24Sn49 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are four inequivalent Tb sites. In the first Tb site, Tb is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are a spread of Tb–Ni bond distances ranging from 3.27–3.32 Å. There are a spread of Tb–Sn bond distances ranging from 3.30–3.63 Å. In the second Tb site, Tb is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are a spread of Tb–Ni bond distances ranging from 3.28–3.30 Å. There are a spread of Tb–Sn bond distances ranging from 3.30–3.66 Å. In the third Tb site, Tb is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are four shorter (3.28 Å) and two longer (3.30 Å) Tb–Ni bond lengths. There are a spread of Tb–Sn bond distances ranging from 3.33–3.63 Å. In the fourth Tb site, Tb is bonded in a cuboctahedral geometry to twelve Sn atoms. There are a spread of Tb–Sn bond distances ranging from 3.40–3.45 Å. There are eight inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to two Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.53–2.68 Å. In the second Ni site, Ni is bonded in a 8-coordinate geometry to two Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.68 Å. In the third Ni site, Ni is bonded in a 8-coordinate geometry to two Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.54–2.71 Å. In the fourth Ni site, Ni is bonded in a 8-coordinate geometry to two Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.53–2.69 Å. In the fifth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.53–2.71 Å. In the sixth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.53–2.68 Å. In the seventh Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.53–2.67 Å. In the eighth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Tb and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.53–2.69 Å. There are seventeen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 5-coordinate geometry to two Tb, three Ni, and one Sn atom. The Sn–Sn bond length is 3.30 Å. In the second Sn site, Sn is bonded in a 6-coordinate geometry to three Tb and three Ni atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to three Tb and three Ni atoms. In the fourth Sn site, Sn is bonded in a 5-coordinate geometry to two Tb, three Ni, and one Sn atom. The Sn–Sn bond length is 3.30 Å. In the fifth Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Tb, three Ni, and one Sn atom. The Sn–Sn bond length is 3.27 Å. In the sixth Sn site, Sn is bonded in a 6-coordinate geometry to three Tb and three Ni atoms. In the seventh Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Tb, three Ni, and one Sn atom. The Sn–Sn bond length is 3.34 Å. In the eighth Sn site, Sn is bonded in a 6-coordinate geometry to three Tb and three Ni atoms. In the ninth Sn site, Sn is bonded in a 3-coordinate geometry to two Tb and three Ni atoms. In the tenth Sn site, Sn is bonded in a 3-coordinate geometry to two Tb and three Ni atoms. In the eleventh Sn site, Sn is bonded in a 3-coordinate geometry to two Tb and three Ni atoms. In the twelfth Sn site, Sn is bonded in a 3-coordinate geometry to two Tb and three Ni atoms. In the thirteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Tb and three Ni atoms. In the fourteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Tb and three Ni atoms. In the fifteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Tb and three Ni atoms. In the sixteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Tb and three Ni atoms. In the seventeenth Sn site, Sn is bonded in a cuboctahedral geometry to twelve Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd9Ni24Sn49 by Materials Project

Nd9Ni24Sn49 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are four inequivalent Nd sites. In the first Nd site, Nd is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are a spread of Nd–Ni bond distances ranging from 3.30–3.34 Å. There are a spread of Nd–Sn bond distances ranging from 3.33–3.65 Å. In the second Nd site, Nd is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are two shorter (3.31 Å) and four longer (3.32 Å) Nd–Ni bond lengths. There are a spread of Nd–Sn bond distances ranging from 3.32–3.67 Å. In the third Nd site, Nd is bonded in a 12-coordinate geometry to six Ni and twelve Sn atoms. There are a spread of Nd–Ni bond distances ranging from 3.31–3.33 Å. There are a spread of Nd–Sn bond distances ranging from 3.35–3.65 Å. In the fourth Nd site, Nd is bonded in a cuboctahedral geometry to twelve Sn atoms. There are a spread of Nd–Sn bond distances ranging from 3.44–3.48 Å. There are eight inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to two Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.58–2.69 Å. In the second Ni site, Ni is bonded in a 8-coordinate geometry to two Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.59–2.69 Å. In the third Ni site, Ni is bonded in a 8-coordinate geometry to two Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.58–2.71 Å. In the fourth Ni site, Ni is bonded in a 8-coordinate geometry to two Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.58–2.69 Å. In the fifth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.57–2.71 Å. In the sixth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.57–2.68 Å. In the seventh Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.57–2.68 Å. In the eighth Ni site, Ni is bonded in a 8-coordinate geometry to two equivalent Nd and six Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.57–2.69 Å. There are seventeen inequivalent Sn sites. In the first Sn site, Sn is bonded in a 5-coordinate geometry to two Nd, three Ni, and one Sn atom. The Sn–Sn bond length is 3.32 Å. In the second Sn site, Sn is bonded in a 6-coordinate geometry to three Nd and three Ni atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to three Nd and three Ni atoms. In the fourth Sn site, Sn is bonded in a 5-coordinate geometry to two Nd, three Ni, and one Sn atom. The Sn–Sn bond length is 3.33 Å. In the fifth Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Nd, three Ni, and one Sn atom. The Sn–Sn bond length is 3.29 Å. In the sixth Sn site, Sn is bonded in a 6-coordinate geometry to three Nd and three Ni atoms. In the seventh Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Nd, three Ni, and one Sn atom. The Sn–Sn bond length is 3.35 Å. In the eighth Sn site, Sn is bonded in a 6-coordinate geometry to three Nd and three Ni atoms. In the ninth Sn site, Sn is bonded in a 3-coordinate geometry to two Nd and three Ni atoms. In the tenth Sn site, Sn is bonded in a 3-coordinate geometry to two Nd and three Ni atoms. In the eleventh Sn site, Sn is bonded in a 3-coordinate geometry to two Nd and three Ni atoms. In the twelfth Sn site, Sn is bonded in a 3-coordinate geometry to two Nd and three Ni atoms. In the thirteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Nd and three Ni atoms. In the fourteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Nd and three Ni atoms. In the fifteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Nd and three Ni atoms. In the sixteenth Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Nd and three Ni atoms. In the seventeenth Sn site, Sn is bonded in a cuboctahedral geometry to twelve Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na7AlSn11(PO4)18 by Materials Project

Na7AlSn11(PO4)18 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are seven inequivalent Na sites. In the first Na site, Na is bonded in a distorted hexagonal planar geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.45–2.56 Å. In the second Na site, Na is bonded in a distorted hexagonal planar geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.56–2.58 Å. In the third Na site, Na is bonded in a distorted hexagonal planar geometry to six O atoms. There are one shorter (2.50 Å) and five longer (2.51 Å) Na–O bond lengths. In the fourth Na site, Na is bonded in a distorted hexagonal planar geometry to six O atoms. There are two shorter (2.56 Å) and four longer (2.57 Å) Na–O bond lengths. In the fifth Na site, Na is bonded in a distorted hexagonal planar geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.49–2.51 Å. In the sixth Na site, Na is bonded in a distorted hexagonal planar geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.58–2.63 Å. In the seventh Na site, Na is bonded in a 2-coordinate geometry to eight O atoms. There are a spread of Na–O bond distances ranging from 2.25–2.85 Å. Al is bonded to six O atoms to form AlO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.87–2.02 Å. There are eleven inequivalent Sn sites. In the first Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.04–2.08 Å. In the second Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.03–2.07 Å. In the third Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are three shorter (2.03 Å) and three longer (2.06 Å) Sn–O bond lengths. In the fourth Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.03–2.07 Å. In the fifth Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.03–2.07 Å. In the sixth Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.03–2.08 Å. In the seventh Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are three shorter (2.03 Å) and three longer (2.06 Å) Sn–O bond lengths. In the eighth Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.04–2.07 Å. In the ninth Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.03–2.07 Å. In the tenth Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.02–2.06 Å. In the eleventh Sn site, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.00–2.11 Å. There are eighteen inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the third P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one AlO6 octahedra and corners with three SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There are a spread of P–O bond distances ranging from 1.52–1.56 Å. In the fourth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–41°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the fifth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–42°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the sixth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is three shorter (1.54 Å) and one longer (1.55 Å) P–O bond length. In the seventh P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–41°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the eighth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the ninth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–41°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the tenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–41°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the eleventh P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is three shorter (1.54 Å) and one longer (1.55 Å) P–O bond length. In the twelfth P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one AlO6 octahedra and corners with three SnO6 octahedra. The corner-sharing octahedra tilt angles range from 28–40°. There is one shorter (1.52 Å) and three longer (1.56 Å) P–O bond length. In the thirteenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–41°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the fourteenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one AlO6 octahedra and corners with three SnO6 octahedra. The corner-sharing octahedra tilt angles range from 30–40°. There is two shorter (1.54 Å) and two longer (1.56 Å) P–O bond length. In the fifteenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the sixteenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one AlO6 octahedra and corners with three SnO6 octahedra. The corner-sharing octahedra tilt angles range from 27–40°. There is three shorter (1.54 Å) and one longer (1.57 Å) P–O bond length. In the seventeenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one AlO6 octahedra and corners with three SnO6 octahedra. The corner-sharing octahedra tilt angles range from 26–39°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the eighteenth P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one AlO6 octahedra and corners with three SnO6 octahedra. The corner-sharing octahedra tilt angles range from 25–38°. There are a spread of P–O bond distances ranging from 1.52–1.56 Å. There are seventy-two inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the third O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the fourth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the fifth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the sixth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the seventh O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the eighth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the ninth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the tenth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the eleventh O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twelfth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the thirteenth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the fourteenth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the fifteenth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the sixteenth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the eighteenth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the nineteenth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twentieth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twenty-first O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the twenty-second O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twenty-third O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twenty-fourth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the twenty-fifth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the twenty-sixth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twenty-seventh O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the twenty-eighth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the twenty-ninth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the thirtieth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the thirty-first O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the thirty-second O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the thirty-third O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the thirty-fourth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the thirty-fifth O site, O is bonded in a 3-coordinate geometry to one Na, one Sn, and one P atom. In the thirty-sixth O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the thirty-seventh O site, O is bonded in a bent 150 degrees geometry to one Sn and one P atom. In the thirty-eighth O

36 MATERIALS SCIENCE↗