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DOE OSTI2020

Materials Data on Li5Ca7Sn11 by Materials Project

Li5Ca7Sn11 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are three inequivalent Li sites. In the first Li site, Li is bonded to four Sn atoms to form LiSn4 tetrahedra that share corners with two equivalent LiSn4 tetrahedra, a cornercorner with one CaSn7 trigonal bipyramid, edges with two equivalent LiSn4 tetrahedra, and edges with two equivalent CaSn7 trigonal bipyramids. There are a spread of Li–Sn bond distances ranging from 2.81–2.88 Å. In the second Li site, Li is bonded in a 1-coordinate geometry to five Sn atoms. There are one shorter (2.87 Å) and four longer (2.99 Å) Li–Sn bond lengths. In the third Li site, Li is bonded in a 3-coordinate geometry to five Sn atoms. There are a spread of Li–Sn bond distances ranging from 2.87–3.35 Å. There are four inequivalent Ca sites. In the first Ca site, Ca is bonded to seven Sn atoms to form distorted CaSn7 trigonal bipyramids that share a cornercorner with one LiSn4 tetrahedra, edges with two equivalent LiSn4 tetrahedra, and faces with two equivalent CaSn7 trigonal bipyramids. There are a spread of Ca–Sn bond distances ranging from 3.22–3.83 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Ca–Sn bond distances ranging from 3.25–3.52 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of Ca–Sn bond distances ranging from 3.30–3.43 Å. In the fourth Ca site, Ca is bonded in a 10-coordinate geometry to ten Sn atoms. There are two shorter (3.32 Å) and eight longer (3.41 Å) Ca–Sn bond lengths. There are six inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to three Li, three Ca, and two Sn atoms. There are one shorter (2.85 Å) and one longer (2.93 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a 8-coordinate geometry to six Ca and two Sn atoms. The Sn–Sn bond length is 2.95 Å. In the third Sn site, Sn is bonded in a 10-coordinate geometry to two equivalent Li, six Ca, and two Sn atoms. There are one shorter (2.95 Å) and one longer (2.99 Å) Sn–Sn bond lengths. In the fourth Sn site, Sn is bonded in a 9-coordinate geometry to five Li, three Ca, and one Sn atom. In the fifth Sn site, Sn is bonded in a 1-coordinate geometry to one Li, six Ca, and two Sn atoms. The Sn–Sn bond length is 2.91 Å. In the sixth Sn site, Sn is bonded in a 1-coordinate geometry to one Li, six Ca, and two equivalent Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sn4Sb6S13 by Materials Project

Sn4Sb6S13 crystallizes in the triclinic P1 space group. The structure is one-dimensional and consists of one Sn4Sb6S13 ribbon oriented in the (1, 0, 0) direction. there are eight inequivalent Sn+3.50+ sites. In the first Sn+3.50+ site, Sn+3.50+ is bonded in a rectangular see-saw-like geometry to four S2- atoms. There are a spread of Sn–S bond distances ranging from 2.62–3.04 Å. In the second Sn+3.50+ site, Sn+3.50+ is bonded in a distorted T-shaped geometry to three S2- atoms. There are two shorter (2.56 Å) and one longer (2.74 Å) Sn–S bond lengths. In the third Sn+3.50+ site, Sn+3.50+ is bonded in a distorted T-shaped geometry to three S2- atoms. There are two shorter (2.61 Å) and one longer (2.80 Å) Sn–S bond lengths. In the fourth Sn+3.50+ site, Sn+3.50+ is bonded to five S2- atoms to form edge-sharing SnS5 square pyramids. There are a spread of Sn–S bond distances ranging from 2.73–2.84 Å. In the fifth Sn+3.50+ site, Sn+3.50+ is bonded to five S2- atoms to form edge-sharing SnS5 square pyramids. There are a spread of Sn–S bond distances ranging from 2.73–2.84 Å. In the sixth Sn+3.50+ site, Sn+3.50+ is bonded in a distorted T-shaped geometry to three S2- atoms. There are two shorter (2.61 Å) and one longer (2.80 Å) Sn–S bond lengths. In the seventh Sn+3.50+ site, Sn+3.50+ is bonded in a rectangular see-saw-like geometry to four S2- atoms. There are a spread of Sn–S bond distances ranging from 2.62–3.04 Å. In the eighth Sn+3.50+ site, Sn+3.50+ is bonded in a distorted T-shaped geometry to three S2- atoms. There are two shorter (2.56 Å) and one longer (2.74 Å) Sn–S bond lengths. There are twelve inequivalent Sb2+ sites. In the first Sb2+ site, Sb2+ is bonded in a 3-coordinate geometry to three S2- atoms. There are two shorter (2.54 Å) and one longer (2.55 Å) Sb–S bond lengths. In the second Sb2+ site, Sb2+ is bonded in a 3-coordinate geometry to three S2- atoms. All Sb–S bond lengths are 2.54 Å. In the third Sb2+ site, Sb2+ is bonded in a distorted T-shaped geometry to three S2- atoms. There are one shorter (2.45 Å) and two longer (2.60 Å) Sb–S bond lengths. In the fourth Sb2+ site, Sb2+ is bonded to five S2- atoms to form edge-sharing SbS5 square pyramids. There are a spread of Sb–S bond distances ranging from 2.52–2.79 Å. In the fifth Sb2+ site, Sb2+ is bonded to five S2- atoms to form edge-sharing SbS5 square pyramids. There are a spread of Sb–S bond distances ranging from 2.52–2.79 Å. In the sixth Sb2+ site, Sb2+ is bonded in a distorted T-shaped geometry to three S2- atoms. There are one shorter (2.45 Å) and two longer (2.60 Å) Sb–S bond lengths. In the seventh Sb2+ site, Sb2+ is bonded in a 3-coordinate geometry to five S2- atoms. There are a spread of Sb–S bond distances ranging from 2.59–3.18 Å. In the eighth Sb2+ site, Sb2+ is bonded to five S2- atoms to form edge-sharing SbS5 square pyramids. There are a spread of Sb–S bond distances ranging from 2.52–2.81 Å. In the ninth Sb2+ site, Sb2+ is bonded to five S2- atoms to form edge-sharing SbS5 square pyramids. There are a spread of Sb–S bond distances ranging from 2.52–2.82 Å. In the tenth Sb2+ site, Sb2+ is bonded in a 5-coordinate geometry to three S2- atoms. There are one shorter (2.42 Å) and two longer (2.62 Å) Sb–S bond lengths. In the eleventh Sb2+ site, Sb2+ is bonded in a 5-coordinate geometry to three S2- atoms. There are one shorter (2.42 Å) and two longer (2.62 Å) Sb–S bond lengths. In the twelfth Sb2+ site, Sb2+ is bonded in a 3-coordinate geometry to five S2- atoms. There are a spread of Sb–S bond distances ranging from 2.59–3.18 Å. There are twenty-six inequivalent S2- sites. In the first S2- site, S2- is bonded in a 3-coordinate geometry to three Sb2+ atoms. In the second S2- site, S2- is bonded in an L-shaped geometry to two equivalent Sn+3.50+ atoms. In the third S2- site, S2- is bonded in a 5-coordinate geometry to three Sn+3.50+ and two equivalent Sb2+ atoms. In the fourth S2- site, S2- is bonded in an L-shaped geometry to two equivalent Sn+3.50+ atoms. In the fifth S2- site, S2- is bonded in a 5-coordinate geometry to three Sn+3.50+ and two equivalent Sb2+ atoms. In the sixth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Sn+3.50+ and two equivalent Sb2+ atoms. In the seventh S2- site, S2- is bonded in a distorted trigonal non-coplanar geometry to three Sb2+ atoms. In the eighth S2- site, S2- is bonded in a trigonal non-coplanar geometry to two equivalent Sn+3.50+ and one Sb2+ atom. In the ninth S2- site, S2- is bonded in a trigonal non-coplanar geometry to three Sn+3.50+ atoms. In the tenth S2- site, S2- is bonded in a 3-coordinate geometry to three Sb2+ atoms. In the eleventh S2- site, S2- is bonded in a 3-coordinate geometry to two equivalent Sn+3.50+ and one Sb2+ atom. In the twelfth S2- site, S2- is bonded in a 3-coordinate geometry to one Sn+3.50+ and two equivalent Sb2+ atoms. In the thirteenth S2- site, S2- is bonded in a trigonal non-coplanar geometry to two equivalent Sn+3.50+ and one Sb2+ atom. In the fourteenth S2- site, S2- is bonded in a 3-coordinate geometry to three Sb2+ atoms. In the fifteenth S2- site, S2- is bonded in a 3-coordinate geometry to three Sb2+ atoms. In the sixteenth S2- site, S2- is bonded in a distorted trigonal non-coplanar geometry to three Sb2+ atoms. In the seventeenth S2- site, S2- is bonded in a distorted trigonal non-coplanar geometry to one Sn+3.50+ and two equivalent Sb2+ atoms. In the eighteenth S2- site, S2- is bonded in a trigonal non-coplanar geometry to three Sn+3.50+ atoms. In the nineteenth S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Sn+3.50+ and two equivalent Sb2+ atoms. In the twentieth S2- site, S2- is bonded in a water-like geometry to two equivalent Sb2+ atoms. In the twenty-first S2- site, S2- is bonded in a distorted trigonal non-coplanar geometry to one Sn+3.50+ and two equivalent Sb2+ atoms. In the twenty-second S2- site, S2- is bonded in a 3-coordinate geometry to two equivalent Sn+3.50+ and one Sb2+ atom. In the twenty-third S2- site, S2- is bonded in a water-like geometry to two equivalent Sb2+ atoms. In the twenty-fourth S2- site, S2- is bonded in a 3-coordinate geometry to three Sb2+ atoms. In the twenty-fifth S2- site, S2- is bonded in a 3-coordinate geometry to three Sb2+ atoms. In the twenty-sixth S2- site, S2- is bonded in a 3-coordinate geometry to one Sn+3.50+ and two equivalent Sb2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CuSnPd2 by Materials Project

Pd2CuSn crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. there are eight inequivalent Pd sites. In the first Pd site, Pd is bonded to four equivalent Pd, four Cu, and four Sn atoms to form distorted PdCu4Sn4Pd4 cuboctahedra that share corners with two equivalent CuSn4Pd8 cuboctahedra, corners with ten PdCu4Sn4Pd4 cuboctahedra, edges with four equivalent CuCu2Sn4Pd6 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, edges with twelve PdCu3Sn4Pd5 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with four SnCu3Pd9 cuboctahedra, and faces with ten PdCu4Sn4Pd4 cuboctahedra. All Pd–Pd bond lengths are 2.82 Å. There are two shorter (2.78 Å) and two longer (2.79 Å) Pd–Cu bond lengths. There are two shorter (2.85 Å) and two longer (2.87 Å) Pd–Sn bond lengths. In the second Pd site, Pd is bonded to four equivalent Pd, four Cu, and four Sn atoms to form distorted PdCu4Sn4Pd4 cuboctahedra that share corners with six PdCu4Sn4Pd4 cuboctahedra, corners with six equivalent CuSn4Pd8 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, edges with sixteen PdCu3Sn4Pd5 cuboctahedra, faces with four SnCu3Pd9 cuboctahedra, faces with six CuSn4Pd8 cuboctahedra, and faces with eight PdCu4Sn4Pd4 cuboctahedra. All Pd–Pd bond lengths are 2.84 Å. There are two shorter (2.73 Å) and two longer (2.79 Å) Pd–Cu bond lengths. There are two shorter (2.86 Å) and two longer (2.88 Å) Pd–Sn bond lengths. In the third Pd site, Pd is bonded to five Pd, three Cu, and four Sn atoms to form distorted PdCu3Sn4Pd5 cuboctahedra that share corners with three equivalent CuCu2Sn4Pd6 cuboctahedra, corners with nine PdCu4Sn4Pd4 cuboctahedra, edges with eight PdCu4Sn4Pd4 cuboctahedra, edges with eight CuSn4Pd8 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with four SnCu3Pd9 cuboctahedra, and faces with ten PdCu4Sn4Pd4 cuboctahedra. There are one shorter (2.93 Å) and two longer (2.95 Å) Pd–Pd bond lengths. There are a spread of Pd–Cu bond distances ranging from 2.79–2.90 Å. There are two shorter (2.75 Å) and two longer (2.78 Å) Pd–Sn bond lengths. In the fourth Pd site, Pd is bonded to four Pd, four equivalent Cu, and four Sn atoms to form distorted PdCu4Sn4Pd4 cuboctahedra that share corners with four CuSn4Pd8 cuboctahedra, corners with eight PdCu3Sn4Pd5 cuboctahedra, edges with four equivalent CuSn4Pd8 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, edges with twelve PdCu4Sn4Pd4 cuboctahedra, faces with four SnCu4Pd8 cuboctahedra, faces with five CuSn4Pd8 cuboctahedra, and faces with nine PdCu4Sn4Pd4 cuboctahedra. There are two shorter (2.81 Å) and two longer (2.86 Å) Pd–Pd bond lengths. All Pd–Cu bond lengths are 2.77 Å. There are two shorter (2.83 Å) and two longer (2.87 Å) Pd–Sn bond lengths. In the fifth Pd site, Pd is bonded to four Pd, four Cu, and four Sn atoms to form distorted PdCu4Sn4Pd4 cuboctahedra that share a cornercorner with one CuCu2Sn4Pd6 cuboctahedra, corners with eleven PdCu4Sn4Pd4 cuboctahedra, edges with six CuSn4Pd8 cuboctahedra, edges with eight SnCu4Pd8 cuboctahedra, edges with ten PdCu4Sn4Pd4 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with four SnCu3Pd9 cuboctahedra, and faces with ten PdCu4Sn4Pd4 cuboctahedra. The Pd–Pd bond length is 2.88 Å. There are a spread of Pd–Cu bond distances ranging from 2.81–2.85 Å. There are two shorter (2.76 Å) and two longer (2.80 Å) Pd–Sn bond lengths. In the sixth Pd site, Pd is bonded to four Pd, four equivalent Cu, and four Sn atoms to form PdCu4Sn4Pd4 cuboctahedra that share corners with two equivalent CuCu2Sn4Pd6 cuboctahedra, corners with ten PdCu4Sn4Pd4 cuboctahedra, edges with four equivalent CuSn4Pd8 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, edges with twelve PdCu4Sn4Pd4 cuboctahedra, faces with four SnCu4Pd8 cuboctahedra, faces with five CuCu2Sn4Pd6 cuboctahedra, and faces with nine PdCu4Sn4Pd4 cuboctahedra. Both Pd–Pd bond lengths are 2.80 Å. All Pd–Cu bond lengths are 2.86 Å. There are two shorter (2.76 Å) and two longer (2.80 Å) Pd–Sn bond lengths. In the seventh Pd site, Pd is bonded to five Pd, three Cu, and four Sn atoms to form distorted PdCu3Sn4Pd5 cuboctahedra that share corners with five PdCu4Sn4Pd4 cuboctahedra, corners with seven CuSn4Pd8 cuboctahedra, edges with four CuCu2Sn4Pd6 cuboctahedra, edges with eight SnCu4Pd8 cuboctahedra, edges with twelve PdCu4Sn4Pd4 cuboctahedra, faces with four SnCu3Pd9 cuboctahedra, faces with five CuSn4Pd8 cuboctahedra, and faces with nine PdCu3Sn4Pd5 cuboctahedra. Both Pd–Pd bond lengths are 2.89 Å. There are two shorter (2.76 Å) and one longer (2.83 Å) Pd–Cu bond lengths. There are two shorter (2.82 Å) and two longer (2.84 Å) Pd–Sn bond lengths. In the eighth Pd site, Pd is bonded to four Pd, four Cu, and four Sn atoms to form distorted PdCu4Sn4Pd4 cuboctahedra that share corners with three equivalent CuSn4Pd8 cuboctahedra, corners with nine PdCu4Sn4Pd4 cuboctahedra, edges with eight PdCu3Sn4Pd5 cuboctahedra, edges with eight CuSn4Pd8 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, faces with four SnCu3Pd9 cuboctahedra, faces with five CuCu2Sn4Pd6 cuboctahedra, and faces with nine PdCu4Sn4Pd4 cuboctahedra. There are two shorter (2.68 Å) and two longer (2.79 Å) Pd–Cu bond lengths. There are a spread of Pd–Sn bond distances ranging from 2.68–2.94 Å. There are six inequivalent Cu sites. In the first Cu site, Cu is bonded to eight Pd and four equivalent Sn atoms to form CuSn4Pd8 cuboctahedra that share corners with four equivalent CuSn4Pd8 cuboctahedra, corners with eight PdCu3Sn4Pd5 cuboctahedra, edges with eight equivalent PdCu4Sn4Pd4 cuboctahedra, edges with eight equivalent CuSn4Pd8 cuboctahedra, edges with eight equivalent SnCu3Pd9 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with four equivalent SnCu4Pd8 cuboctahedra, and faces with ten PdCu4Sn4Pd4 cuboctahedra. All Cu–Sn bond lengths are 2.85 Å. In the second Cu site, Cu is bonded to eight Pd and four equivalent Sn atoms to form CuSn4Pd8 cuboctahedra that share corners with four equivalent PdCu3Sn4Pd5 cuboctahedra, corners with eight CuSn4Pd8 cuboctahedra, edges with eight equivalent SnCu3Pd9 cuboctahedra, edges with sixteen PdCu4Sn4Pd4 cuboctahedra, faces with four equivalent SnCu4Pd8 cuboctahedra, faces with six CuSn4Pd8 cuboctahedra, and faces with eight PdCu4Sn4Pd4 cuboctahedra. All Cu–Sn bond lengths are 2.87 Å. In the third Cu site, Cu is bonded to eight Pd and four equivalent Sn atoms to form CuSn4Pd8 cuboctahedra that share corners with six PdCu4Sn4Pd4 cuboctahedra, corners with six CuSn4Pd8 cuboctahedra, edges with four equivalent CuSn4Pd8 cuboctahedra, edges with eight SnCu4Pd8 cuboctahedra, edges with twelve PdCu3Sn4Pd5 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with four equivalent SnCu3Pd9 cuboctahedra, and faces with ten PdCu4Sn4Pd4 cuboctahedra. All Cu–Sn bond lengths are 2.90 Å. In the fourth Cu site, Cu is bonded to six Pd, two equivalent Cu, and four Sn atoms to form distorted CuCu2Sn4Pd6 cuboctahedra that share corners with six equivalent PdCu3Sn4Pd5 cuboctahedra, corners with six CuSn4Pd8 cuboctahedra, edges with four equivalent CuCu2Sn4Pd6 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, edges with twelve PdCu4Sn4Pd4 cuboctahedra, faces with four SnCu8Pd4 cuboctahedra, faces with six CuSn4Pd8 cuboctahedra, and faces with eight PdCu3Sn4Pd5 cuboctahedra. Both Cu–Cu bond lengths are 2.78 Å. There are two shorter (2.80 Å) and two longer (2.89 Å) Cu–Sn bond lengths. In the fifth Cu site, Cu is bonded to six Pd, two equivalent Cu, and four Sn atoms to form CuCu2Sn4Pd6 cuboctahedra that share corners with two equivalent CuCu2Sn4Pd6 cuboctahedra, corners with ten PdCu4Sn4Pd4 cuboctahedra, edges with eight PdCu3Sn4Pd5 cuboctahedra, edges with eight CuCu2Sn4Pd6 cuboctahedra, edges with eight SnCu3Pd9 cuboctahedra, faces with four SnCu8Pd4 cuboctahedra, faces with five CuCu2Sn4Pd6 cuboctahedra, and faces with nine PdCu3Sn4Pd5 cuboctahedra. There are two shorter (2.76 Å) and two longer (2.77 Å) Cu–Sn bond lengths. In the sixth Cu site, Cu is bonded to eight Pd and four Sn atoms to form CuSn4Pd8 cuboctahedra that share corners with five equivalent CuSn4Pd8 cuboctahedra, corners with seven PdCu4Sn4Pd4 cuboctahedra, edges with six CuSn4Pd8 cuboctahedra, edges with eight SnCu4Pd8 cuboctahedra, edges with ten PdCu3Sn4Pd5 cuboctahedra, faces with four equivalent CuSn4Pd8 cuboctahedra, faces with four SnCu4Pd8 cuboctahedra, and faces with ten PdCu4Sn4Pd4 cuboctahedra. There are a spread of Cu–Sn bond distances ranging from 2.80–2.86 Å. There are six inequivalent Sn sites. In the first Sn site, Sn is bonded to eight Pd and four equivalent Cu atoms to form SnCu4Pd8 cuboctahedra that share corners with twelve SnCu4Pd8 cuboctahedra, edges with eight equivalent CuSn4Pd8 cuboctahedra, edges with sixteen PdCu3Sn4Pd5 cuboctahedra, faces with four equivalent CuSn4Pd8 cuboctahedra, faces with six SnCu4Pd8 cuboctahedra, and faces with eight PdCu4Sn4Pd4 cuboctahedra. In the second Sn site, Sn is bonded to nine Pd and three Cu atoms to form SnCu3Pd9 cuboctahedra that share corners with twelve SnCu4Pd8 cuboctahedra, edges with ten CuSn4Pd8 cuboctahedra, edges with fourteen PdCu4Sn4Pd4 cuboctahedra, faces with three CuSn4Pd8 cuboctahedra, faces with six SnCu3Pd9 cuboctahedra, and faces with nine PdCu4Sn4Pd4 cuboctahedra. In the third Sn site, Sn is bonded to eight Pd and four Cu atoms to form SnCu4Pd8 cuboctahedra that share corners with twelve SnCu4Pd8 cuboctahedra, edges with eight CuSn4Pd8 cuboctahedra, edges with sixteen PdCu4Sn4Pd4 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with six SnCu4Pd8 cuboctahedra, and faces with eight PdCu4Sn4Pd4 cuboctahedra. In the fourth Sn site, Sn is bonded to four equivalent Pd and eight Cu atoms to form SnCu8Pd4 cuboctahedra that share corners with twelve SnCu4Pd8 cuboctahedra, edges with twenty-four PdCu3Sn4Pd5 cuboctahedra, faces with four equivalent PdCu4Sn4Pd4 cuboctahedra, faces with six SnCu8Pd4 cuboctahedra, and faces with eight CuCu2Sn4Pd6 cuboctahedra. In the fifth Sn site, Sn is bonded to eight Pd and four Cu atoms to form SnCu4Pd8 cuboctahedra that share corners with twelve SnCu8Pd4 cuboctahedra, edges with eight CuSn4Pd8 cuboctahedra, edges with sixteen PdCu4Sn4Pd4 cuboctahedra, faces with four CuSn4Pd8 cuboctahedra, faces with six SnCu3Pd9 cuboctahedra, and faces with eight PdCu4Sn4Pd4 cuboctahedra. In the sixth Sn site, Sn is bonded to eight Pd and four Cu atoms to form SnCu4Pd8 cuboctahedra that share corners with twelve SnCu4Pd8 cuboctahedra, edges with eight CuCu2Sn4Pd6 cuboctahedra, edges with sixteen PdCu3Sn4Pd5 cuboctahedra, faces with four CuCu2Sn4Pd6 cuboctahedra, faces with six SnCu4Pd8 cuboctahedra, and faces with eight PdCu4Sn4Pd4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd14Zn43Sn3 by Materials Project

Nd14Zn43Sn3 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are fourteen inequivalent Nd sites. In the first Nd site, Nd is bonded in a 11-coordinate geometry to fourteen Zn atoms. There are a spread of Nd–Zn bond distances ranging from 3.14–3.41 Å. In the second Nd site, Nd is bonded in a 11-coordinate geometry to twelve Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.13–3.42 Å. Both Nd–Sn bond lengths are 3.31 Å. In the third Nd site, Nd is bonded in a 11-coordinate geometry to twelve Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.13–3.44 Å. Both Nd–Sn bond lengths are 3.31 Å. In the fourth Nd site, Nd is bonded in a 11-coordinate geometry to twelve Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.12–3.41 Å. Both Nd–Sn bond lengths are 3.31 Å. In the fifth Nd site, Nd is bonded in a 5-coordinate geometry to thirteen Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.10–3.59 Å. Both Nd–Sn bond lengths are 3.29 Å. In the sixth Nd site, Nd is bonded in a 5-coordinate geometry to thirteen Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.09–3.59 Å. Both Nd–Sn bond lengths are 3.28 Å. In the seventh Nd site, Nd is bonded in a 5-coordinate geometry to fifteen Zn atoms. There are a spread of Nd–Zn bond distances ranging from 3.09–3.61 Å. In the eighth Nd site, Nd is bonded in a 5-coordinate geometry to thirteen Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.10–3.60 Å. Both Nd–Sn bond lengths are 3.29 Å. In the ninth Nd site, Nd is bonded in a 11-coordinate geometry to seventeen Zn atoms. There are a spread of Nd–Zn bond distances ranging from 3.11–3.45 Å. In the tenth Nd site, Nd is bonded in a 12-coordinate geometry to seventeen Zn atoms. There are a spread of Nd–Zn bond distances ranging from 3.12–3.45 Å. In the eleventh Nd site, Nd is bonded in a 4-coordinate geometry to seventeen Zn atoms. There are a spread of Nd–Zn bond distances ranging from 3.11–3.47 Å. In the twelfth Nd site, Nd is bonded in a 12-coordinate geometry to seventeen Zn atoms. There are a spread of Nd–Zn bond distances ranging from 3.10–3.45 Å. In the thirteenth Nd site, Nd is bonded in a 6-coordinate geometry to twelve Zn and two equivalent Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.11–3.61 Å. Both Nd–Sn bond lengths are 3.34 Å. In the fourteenth Nd site, Nd is bonded in a 6-coordinate geometry to ten Zn and four Sn atoms. There are a spread of Nd–Zn bond distances ranging from 3.11–3.61 Å. There are two shorter (3.33 Å) and two longer (3.35 Å) Nd–Sn bond lengths. There are forty-three inequivalent Zn sites. In the first Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.53–2.81 Å. In the second Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.53–2.78 Å. In the third Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.53–2.77 Å. In the fourth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.53–2.77 Å. In the fifth Zn site, Zn is bonded in a distorted single-bond geometry to five Nd, six Zn, and one Sn atom. There are a spread of Zn–Zn bond distances ranging from 2.58–2.90 Å. The Zn–Sn bond length is 2.65 Å. In the sixth Zn site, Zn is bonded in a distorted single-bond geometry to five Nd, six Zn, and one Sn atom. There are a spread of Zn–Zn bond distances ranging from 2.58–2.90 Å. The Zn–Sn bond length is 2.65 Å. In the seventh Zn site, Zn is bonded to five Nd and seven Zn atoms to form distorted ZnNd5Zn7 cuboctahedra that share corners with six ZnNd4Zn8 cuboctahedra, an edgeedge with one ZnNd4Zn8 cuboctahedra, and faces with two equivalent ZnNd5Zn7 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.55–2.97 Å. In the eighth Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, six Zn, and one Sn atom. There are a spread of Zn–Zn bond distances ranging from 2.59–2.90 Å. The Zn–Sn bond length is 2.66 Å. In the ninth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.59–2.79 Å. In the tenth Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, four Zn, and one Sn atom. There are a spread of Zn–Zn bond distances ranging from 2.55–2.76 Å. The Zn–Sn bond length is 2.71 Å. In the eleventh Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, four Zn, and one Sn atom. There are a spread of Zn–Zn bond distances ranging from 2.55–2.77 Å. The Zn–Sn bond length is 2.70 Å. In the twelfth Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, four Zn, and one Sn atom. There are a spread of Zn–Zn bond distances ranging from 2.55–2.76 Å. The Zn–Sn bond length is 2.71 Å. In the thirteenth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. Both Zn–Zn bond lengths are 2.57 Å. In the fourteenth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. Both Zn–Zn bond lengths are 2.56 Å. In the fifteenth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. Both Zn–Zn bond lengths are 2.56 Å. In the sixteenth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. Both Zn–Zn bond lengths are 2.57 Å. In the seventeenth Zn site, Zn is bonded in a 10-coordinate geometry to five Nd and five Zn atoms. There are two shorter (2.57 Å) and one longer (2.58 Å) Zn–Zn bond lengths. In the eighteenth Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, four Zn, and one Sn atom. Both Zn–Zn bond lengths are 2.53 Å. The Zn–Sn bond length is 2.69 Å. In the nineteenth Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, four Zn, and one Sn atom. Both Zn–Zn bond lengths are 2.53 Å. The Zn–Sn bond length is 2.69 Å. In the twentieth Zn site, Zn is bonded in a 1-coordinate geometry to five Nd, four Zn, and one Sn atom. Both Zn–Zn bond lengths are 2.54 Å. The Zn–Sn bond length is 2.69 Å. In the twenty-first Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.68–2.87 Å. In the twenty-second Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.69–2.88 Å. In the twenty-third Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.68–2.88 Å. In the twenty-fourth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.69–2.88 Å. In the twenty-fifth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. The Zn–Zn bond length is 2.55 Å. In the twenty-sixth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. The Zn–Zn bond length is 2.55 Å. In the twenty-seventh Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. The Zn–Zn bond length is 2.54 Å. In the twenty-eighth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. The Zn–Zn bond length is 2.56 Å. In the twenty-ninth Zn site, Zn is bonded to four Nd and eight Zn atoms to form a mixture of distorted corner and face-sharing ZnNd4Zn8 cuboctahedra. There are two shorter (2.86 Å) and two longer (2.87 Å) Zn–Zn bond lengths. In the thirtieth Zn site, Zn is bonded to four Nd and eight Zn atoms to form a mixture of distorted corner and face-sharing ZnNd4Zn8 cuboctahedra. There are two shorter (2.86 Å) and two longer (2.87 Å) Zn–Zn bond lengths. In the thirty-first Zn site, Zn is bonded to four Nd and eight Zn atoms to form distorted ZnNd4Zn8 cuboctahedra that share corners with four ZnNd4Zn8 cuboctahedra, an edgeedge with one ZnNd5Zn7 cuboctahedra, and faces with five ZnNd4Zn8 cuboctahedra. There are two shorter (2.86 Å) and two longer (2.88 Å) Zn–Zn bond lengths. In the thirty-second Zn site, Zn is bonded to four Nd and eight Zn atoms to form a mixture of distorted corner and face-sharing ZnNd4Zn8 cuboctahedra. There are two shorter (2.86 Å) and two longer (2.87 Å) Zn–Zn bond lengths. In the thirty-third Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are one shorter (2.69 Å) and one longer (2.79 Å) Zn–Zn bond lengths. In the thirty-fourth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are one shorter (2.69 Å) and one longer (2.78 Å) Zn–Zn bond lengths. In the thirty-fifth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are one shorter (2.70 Å) and one longer (2.78 Å) Zn–Zn bond lengths. In the thirty-sixth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. There are one shorter (2.69 Å) and one longer (2.77 Å) Zn–Zn bond lengths. In the thirty-seventh Zn site, Zn is bonded to four Nd and eight Zn atoms to form face-sharing ZnNd4Zn8 cuboctahedra. In the thirty-eighth Zn site, Zn is bonded to four Nd and eight Zn atoms to form ZnNd4Zn8 cuboctahedra that share corners with two equivalent ZnNd5Zn7 cuboctahedra and faces with six ZnNd4Zn8 cuboctahedra. In the thirty-ninth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. In the fortieth Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. In the forty-first Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. In the forty-second Zn site, Zn is bonded in a 10-coordinate geometry to four Nd and six Zn atoms. In the forty-third Zn site, Zn is bonded in a 9-coordinate geometry to six Nd and three Zn atoms. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to six Nd and three Zn atoms. In the second Sn site, Sn is bonded in a 9-coordinate geometry to six Nd and three Zn atoms. In the third Sn site, Sn is bonded in a 9-coordinate geometry to six Nd and three Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on In6Sn8S19 by Materials Project

In6Sn8S19 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent In3+ sites. In the first In3+ site, In3+ is bonded to six S2- atoms to form InS6 octahedra that share corners with two InS6 octahedra, corners with two equivalent SnS6 octahedra, and edges with six InS6 octahedra. The corner-sharing octahedra tilt angles range from 1–58°. There are a spread of In–S bond distances ranging from 2.64–2.74 Å. In the second In3+ site, In3+ is bonded to six S2- atoms to form InS6 octahedra that share a cornercorner with one SnS6 octahedra, corners with three InS6 octahedra, and edges with six InS6 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. There are a spread of In–S bond distances ranging from 2.63–2.77 Å. In the third In3+ site, In3+ is bonded to six S2- atoms to form a mixture of corner and edge-sharing InS6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are a spread of In–S bond distances ranging from 2.59–2.84 Å. In the fourth In3+ site, In3+ is bonded to six S2- atoms to form a mixture of corner and edge-sharing InS6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are a spread of In–S bond distances ranging from 2.57–2.86 Å. In the fifth In3+ site, In3+ is bonded to six S2- atoms to form InS6 octahedra that share corners with two equivalent InS6 octahedra, edges with two equivalent InS6 octahedra, and edges with four SnS6 octahedra. The corner-sharing octahedra tilt angles range from 59–61°. There are a spread of In–S bond distances ranging from 2.60–2.69 Å. In the sixth In3+ site, In3+ is bonded to six S2- atoms to form InS6 octahedra that share a cornercorner with one InS6 octahedra, edges with two equivalent InS6 octahedra, and edges with two equivalent SnS6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of In–S bond distances ranging from 2.61–2.71 Å. There are eight inequivalent Sn+2.50+ sites. In the first Sn+2.50+ site, Sn+2.50+ is bonded in a 3-coordinate geometry to three S2- atoms. There are a spread of Sn–S bond distances ranging from 2.72–2.76 Å. In the second Sn+2.50+ site, Sn+2.50+ is bonded in a 5-coordinate geometry to five S2- atoms. There are a spread of Sn–S bond distances ranging from 2.78–3.07 Å. In the third Sn+2.50+ site, Sn+2.50+ is bonded in a 5-coordinate geometry to three S2- atoms. There are one shorter (2.73 Å) and two longer (2.74 Å) Sn–S bond lengths. In the fourth Sn+2.50+ site, Sn+2.50+ is bonded in a 5-coordinate geometry to five S2- atoms. There are a spread of Sn–S bond distances ranging from 2.71–3.21 Å. In the fifth Sn+2.50+ site, Sn+2.50+ is bonded to six S2- atoms to form SnS6 octahedra that share corners with two equivalent InS6 octahedra, edges with two equivalent SnS6 octahedra, and edges with four InS6 octahedra. The corner-sharing octahedra tilt angles range from 57–58°. There are a spread of Sn–S bond distances ranging from 2.53–2.68 Å. In the sixth Sn+2.50+ site, Sn+2.50+ is bonded to six S2- atoms to form SnS6 octahedra that share a cornercorner with one InS6 octahedra, edges with two equivalent InS6 octahedra, and edges with two equivalent SnS6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Sn–S bond distances ranging from 2.59–2.65 Å. In the seventh Sn+2.50+ site, Sn+2.50+ is bonded in a 6-coordinate geometry to six S2- atoms. There are a spread of Sn–S bond distances ranging from 2.76–3.24 Å. In the eighth Sn+2.50+ site, Sn+2.50+ is bonded in a 6-coordinate geometry to six S2- atoms. There are a spread of Sn–S bond distances ranging from 2.78–3.25 Å. There are nineteen inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted T-shaped geometry to two equivalent In3+ and one Sn+2.50+ atom. In the second S2- site, S2- is bonded in a distorted T-shaped geometry to one In3+ and two equivalent Sn+2.50+ atoms. In the third S2- site, S2- is bonded in a 3-coordinate geometry to three In3+ and two equivalent Sn+2.50+ atoms. In the fourth S2- site, S2- is bonded in a 3-coordinate geometry to three In3+ atoms. In the fifth S2- site, S2- is bonded in a rectangular see-saw-like geometry to three In3+ and one Sn+2.50+ atom. In the sixth S2- site, S2- is bonded in a rectangular see-saw-like geometry to two In3+ and two equivalent Sn+2.50+ atoms. In the seventh S2- site, S2- is bonded in a 3-coordinate geometry to two equivalent In3+ and one Sn+2.50+ atom. In the eighth S2- site, S2- is bonded in a 3-coordinate geometry to one In3+ and two equivalent Sn+2.50+ atoms. In the ninth S2- site, S2- is bonded in a 3-coordinate geometry to three In3+ atoms. In the tenth S2- site, S2- is bonded in a 3-coordinate geometry to three In3+ atoms. In the eleventh S2- site, S2- is bonded to two equivalent In3+ and three Sn+2.50+ atoms to form distorted edge-sharing SIn2Sn3 trigonal bipyramids. In the twelfth S2- site, S2- is bonded in a 5-coordinate geometry to three Sn+2.50+ atoms. In the thirteenth S2- site, S2- is bonded to two equivalent In3+ and two Sn+2.50+ atoms to form distorted SIn2Sn2 trigonal pyramids that share corners with two equivalent SIn6 octahedra, corners with two equivalent SIn2Sn2 trigonal pyramids, and an edgeedge with one SIn6 octahedra. The corner-sharing octahedra tilt angles range from 6–7°. In the fourteenth S2- site, S2- is bonded to two equivalent In3+ and two Sn+2.50+ atoms to form distorted SIn2Sn2 trigonal pyramids that share corners with two equivalent SIn6 octahedra, corners with two equivalent SIn2Sn2 trigonal pyramids, and an edgeedge with one SIn6 octahedra. The corner-sharing octahedra tilt angles range from 5–6°. In the fifteenth S2- site, S2- is bonded in a 4-coordinate geometry to five Sn+2.50+ atoms. In the sixteenth S2- site, S2- is bonded in a 4-coordinate geometry to five Sn+2.50+ atoms. In the seventeenth S2- site, S2- is bonded to six In3+ atoms to form SIn6 octahedra that share corners with four SIn2Sn2 trigonal pyramids, edges with two equivalent SIn6 octahedra, and edges with two SIn2Sn2 trigonal pyramids. In the eighteenth S2- site, S2- is bonded in a 4-coordinate geometry to five Sn+2.50+ atoms. In the nineteenth S2- site, S2- is bonded in a 4-coordinate geometry to one In3+ and four Sn+2.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on InSn4 by Materials Project

InSn4 is Hg_xSn-derived structured and crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. In is bonded to four equivalent In and four Sn atoms to form InIn4Sn4 hexagonal bipyramids that share corners with four equivalent InIn4Sn4 hexagonal bipyramids, corners with four SnSn8 hexagonal bipyramids, edges with six equivalent InIn4Sn4 hexagonal bipyramids, and edges with eighteen SnIn2Sn6 hexagonal bipyramids. There are two shorter (3.05 Å) and two longer (3.19 Å) In–In bond lengths. All In–Sn bond lengths are 3.32 Å. There are seven inequivalent Sn sites. In the first Sn site, Sn is bonded to two equivalent In and six Sn atoms to form SnIn2Sn6 hexagonal bipyramids that share corners with eight SnIn2Sn6 hexagonal bipyramids, edges with eight equivalent InIn4Sn4 hexagonal bipyramids, and edges with sixteen SnIn2Sn6 hexagonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 3.05–3.30 Å. In the second Sn site, Sn is bonded to eight Sn atoms to form SnSn8 hexagonal bipyramids that share corners with two equivalent InIn4Sn4 hexagonal bipyramids, corners with six SnSn8 hexagonal bipyramids, an edgeedge with one InIn4Sn4 hexagonal bipyramid, and edges with twenty-three SnIn2Sn6 hexagonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 3.05–3.31 Å. In the third Sn site, Sn is bonded to eight Sn atoms to form SnSn8 hexagonal bipyramids that share corners with two equivalent InIn4Sn4 hexagonal bipyramids, corners with six SnIn2Sn6 hexagonal bipyramids, an edgeedge with one InIn4Sn4 hexagonal bipyramid, and edges with twenty-three SnIn2Sn6 hexagonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 3.05–3.30 Å. In the fourth Sn site, Sn is bonded to two equivalent In and six Sn atoms to form SnIn2Sn6 hexagonal bipyramids that share corners with eight SnSn8 hexagonal bipyramids, edges with eight equivalent InIn4Sn4 hexagonal bipyramids, and edges with sixteen SnSn8 hexagonal bipyramids. Both Sn–In bond lengths are 3.32 Å. There are two shorter (3.05 Å) and two longer (3.19 Å) Sn–Sn bond lengths. In the fifth Sn site, Sn is bonded to two equivalent In and six Sn atoms to form SnIn2Sn6 hexagonal bipyramids that share corners with eight SnIn2Sn6 hexagonal bipyramids, edges with eight equivalent InIn4Sn4 hexagonal bipyramids, and edges with sixteen SnIn2Sn6 hexagonal bipyramids. Both Sn–In bond lengths are 3.32 Å. There are a spread of Sn–Sn bond distances ranging from 3.05–3.30 Å. In the sixth Sn site, Sn is bonded to eight Sn atoms to form SnSn8 hexagonal bipyramids that share corners with two equivalent InIn4Sn4 hexagonal bipyramids, corners with six SnIn2Sn6 hexagonal bipyramids, an edgeedge with one InIn4Sn4 hexagonal bipyramid, and edges with twenty-three SnIn2Sn6 hexagonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 3.05–3.31 Å. In the seventh Sn site, Sn is bonded to two equivalent In and six Sn atoms to form SnIn2Sn6 hexagonal bipyramids that share corners with eight SnIn2Sn6 hexagonal bipyramids, edges with eight equivalent InIn4Sn4 hexagonal bipyramids, and edges with sixteen SnIn2Sn6 hexagonal bipyramids. There are a spread of Sn–Sn bond distances ranging from 3.05–3.30 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na10Sn4Au13 by Materials Project

Na10Au13Sn4 is beta Uranium-derived structured and crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are nine inequivalent Na sites. In the first Na site, Na is bonded in a 12-coordinate geometry to four Na, nine Au, and three Sn atoms. There are a spread of Na–Na bond distances ranging from 3.24–3.58 Å. There are a spread of Na–Au bond distances ranging from 3.23–3.41 Å. There are a spread of Na–Sn bond distances ranging from 3.42–3.51 Å. In the second Na site, Na is bonded in a 10-coordinate geometry to three Na, seven Au, and three Sn atoms. The Na–Na bond length is 3.11 Å. There are a spread of Na–Au bond distances ranging from 3.21–3.44 Å. All Na–Sn bond lengths are 3.38 Å. In the third Na site, Na is bonded in a 7-coordinate geometry to two equivalent Na, seven Au, and three Sn atoms. There are a spread of Na–Au bond distances ranging from 3.15–3.27 Å. There are one shorter (3.36 Å) and two longer (3.48 Å) Na–Sn bond lengths. In the fourth Na site, Na is bonded in a 10-coordinate geometry to three Na, seven Au, and three Sn atoms. The Na–Na bond length is 3.32 Å. There are a spread of Na–Au bond distances ranging from 3.17–3.35 Å. There are two shorter (3.40 Å) and one longer (3.45 Å) Na–Sn bond lengths. In the fifth Na site, Na is bonded in a 11-coordinate geometry to nine Au and two equivalent Sn atoms. There are a spread of Na–Au bond distances ranging from 3.17–3.24 Å. Both Na–Sn bond lengths are 3.22 Å. In the sixth Na site, Na is bonded in a 8-coordinate geometry to five Na, eight Au, and two equivalent Sn atoms. There are one shorter (2.99 Å) and two longer (3.42 Å) Na–Na bond lengths. There are four shorter (3.28 Å) and four longer (3.35 Å) Na–Au bond lengths. Both Na–Sn bond lengths are 3.37 Å. In the seventh Na site, Na is bonded in a 10-coordinate geometry to three Na, ten Au, and two equivalent Sn atoms. The Na–Na bond length is 3.20 Å. There are a spread of Na–Au bond distances ranging from 3.17–3.43 Å. Both Na–Sn bond lengths are 3.56 Å. In the eighth Na site, Na is bonded in a 6-coordinate geometry to one Na, four equivalent Au, and two equivalent Sn atoms. All Na–Au bond lengths are 3.08 Å. Both Na–Sn bond lengths are 3.22 Å. In the ninth Na site, Na is bonded in a 6-coordinate geometry to three Na, four equivalent Au, and two equivalent Sn atoms. All Na–Au bond lengths are 3.04 Å. Both Na–Sn bond lengths are 3.19 Å. There are eight inequivalent Au sites. In the first Au site, Au is bonded to twelve Au atoms to form AuAu12 cuboctahedra that share corners with four equivalent SnNa7Au5 cuboctahedra. There are a spread of Au–Au bond distances ranging from 2.85–2.88 Å. In the second Au site, Au is bonded in a 12-coordinate geometry to six Na, four Au, and two Sn atoms. There are a spread of Au–Au bond distances ranging from 2.87–3.24 Å. There are one shorter (2.73 Å) and one longer (2.83 Å) Au–Sn bond lengths. In the third Au site, Au is bonded in a 12-coordinate geometry to five Na, one Au, and one Sn atom. The Au–Sn bond length is 2.70 Å. In the fourth Au site, Au is bonded in a 12-coordinate geometry to five Na, one Au, and one Sn atom. The Au–Sn bond length is 2.69 Å. In the fifth Au site, Au is bonded to seven Na, three Au, and two Sn atoms to form distorted AuNa7Sn2Au3 cuboctahedra that share a cornercorner with one AuNa7Sn2Au3 cuboctahedra, corners with two equivalent SnNa7Au5 cuboctahedra, edges with three equivalent AuNa7Sn2Au3 cuboctahedra, faces with two equivalent AuNa7Sn2Au3 cuboctahedra, and faces with two equivalent SnNa7Au5 cuboctahedra. There are one shorter (2.94 Å) and one longer (2.99 Å) Au–Au bond lengths. There are one shorter (2.81 Å) and one longer (2.93 Å) Au–Sn bond lengths. In the sixth Au site, Au is bonded in a 12-coordinate geometry to five Na, one Au, and one Sn atom. The Au–Sn bond length is 2.72 Å. In the seventh Au site, Au is bonded in a 6-coordinate geometry to three Na, five Au, and two equivalent Sn atoms. The Au–Au bond length is 2.77 Å. Both Au–Sn bond lengths are 3.09 Å. In the eighth Au site, Au is bonded in a 12-coordinate geometry to seven Na, three Au, and two Sn atoms. The Au–Au bond length is 3.06 Å. There are one shorter (2.73 Å) and one longer (2.80 Å) Au–Sn bond lengths. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 12-coordinate geometry to seven Na and five Au atoms. In the second Sn site, Sn is bonded in a 12-coordinate geometry to six Na and six Au atoms. In the third Sn site, Sn is bonded to seven Na and five Au atoms to form distorted SnNa7Au5 cuboctahedra that share corners with five AuAu12 cuboctahedra, edges with two equivalent SnNa7Au5 cuboctahedra, and faces with four equivalent AuNa7Sn2Au3 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cu3Sn by Materials Project

Cu3Sn is beta-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are fourteen inequivalent Cu sites. In the first Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with six SnCu12 cuboctahedra, corners with twelve CuCu8Sn4 cuboctahedra, an edgeedge with one SnCu12 cuboctahedra, edges with seventeen CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.61–2.98 Å. There are two shorter (2.75 Å) and two longer (2.82 Å) Cu–Sn bond lengths. In the second Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with eight SnCu12 cuboctahedra, corners with ten CuCu8Sn4 cuboctahedra, edges with eighteen CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.59–2.98 Å. There are two shorter (2.76 Å) and two longer (2.83 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded to eight Cu and four equivalent Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with eight SnCu12 cuboctahedra, corners with ten CuCu8Sn4 cuboctahedra, edges with eighteen CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.58–3.00 Å. There are two shorter (2.77 Å) and two longer (2.83 Å) Cu–Sn bond lengths. In the fourth Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with eight SnCu12 cuboctahedra, corners with ten CuCu8Sn4 cuboctahedra, edges with eighteen CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.59–3.01 Å. There are two shorter (2.77 Å) and two longer (2.83 Å) Cu–Sn bond lengths. In the fifth Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with six SnCu12 cuboctahedra, corners with twelve CuCu8Sn4 cuboctahedra, edges with five SnCu12 cuboctahedra, edges with thirteen CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.57–2.97 Å. There are two shorter (2.77 Å) and two longer (2.83 Å) Cu–Sn bond lengths. In the sixth Cu site, Cu is bonded to eight Cu and four Sn atoms to form CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.63–2.98 Å. There are three shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the seventh Cu site, Cu is bonded to eight Cu and four Sn atoms to form CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.57–2.96 Å. There are three shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the eighth Cu site, Cu is bonded to eight Cu and four Sn atoms to form CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.68–2.98 Å. There are three shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the ninth Cu site, Cu is bonded to eight Cu and four Sn atoms to form CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.57–2.98 Å. There are three shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the tenth Cu site, Cu is bonded to eight Cu and four Sn atoms to form CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.57–2.64 Å. There are three shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the eleventh Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.63–2.83 Å. There are a spread of Cu–Sn bond distances ranging from 2.74–2.77 Å. In the twelfth Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.62–2.86 Å. There are a spread of Cu–Sn bond distances ranging from 2.75–2.77 Å. In the thirteenth Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are one shorter (2.78 Å) and one longer (2.86 Å) Cu–Cu bond lengths. There are two shorter (2.75 Å) and two longer (2.76 Å) Cu–Sn bond lengths. In the fourteenth Cu site, Cu is bonded to eight Cu and four Sn atoms to form distorted CuCu8Sn4 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with four SnCu12 cuboctahedra, and faces with sixteen CuCu8Sn4 cuboctahedra. There are one shorter (2.75 Å) and one longer (2.89 Å) Cu–Cu bond lengths. There are a spread of Cu–Sn bond distances ranging from 2.75–2.77 Å. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded to twelve Cu atoms to form SnCu12 cuboctahedra that share corners with two equivalent SnCu12 cuboctahedra, corners with sixteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with six equivalent SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. In the second Sn site, Sn is bonded to twelve Cu atoms to form SnCu12 cuboctahedra that share corners with two equivalent SnCu12 cuboctahedra, corners with sixteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. In the third Sn site, Sn is bonded to twelve Cu atoms to form SnCu12 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, edges with five SnCu12 cuboctahedra, edges with thirteen CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra. In the fourth Sn site, Sn is bonded to twelve Cu atoms to form SnCu12 cuboctahedra that share corners with four SnCu12 cuboctahedra, corners with fourteen CuCu8Sn4 cuboctahedra, an edgeedge with one SnCu12 cuboctahedra, edges with seventeen CuCu8Sn4 cuboctahedra, faces with eight SnCu12 cuboctahedra, and faces with twelve CuCu8Sn4 cuboctahedra. In the fifth Sn site, Sn is bonded to twelve Cu atoms to form SnCu12 cuboctahedra that share corners with two equivalent SnCu12 cuboctahedra, corners with sixteen CuCu8Sn4 cuboctahedra, edges with six SnCu12 cuboctahedra, edges with twelve CuCu8Sn4 cuboctahedra, faces with six SnCu12 cuboctahedra, and faces with fourteen CuCu8Sn4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaSn2Bi by Materials Project

BaSn2Bi crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Ba sites. In the first Ba site, Ba is bonded to seven Sn and five Bi atoms to form BaSn7Bi5 cuboctahedra that share corners with nine BaSn7Bi5 cuboctahedra and faces with seven BaSn5Bi7 cuboctahedra. There are a spread of Ba–Sn bond distances ranging from 3.64–3.68 Å. There are a spread of Ba–Bi bond distances ranging from 3.66–3.71 Å. In the second Ba site, Ba is bonded to five Sn and seven Bi atoms to form BaSn5Bi7 cuboctahedra that share corners with nine BaSn5Bi7 cuboctahedra and faces with seven BaSn7Bi5 cuboctahedra. There are a spread of Ba–Sn bond distances ranging from 3.66–3.74 Å. There are a spread of Ba–Bi bond distances ranging from 3.65–3.72 Å. In the third Ba site, Ba is bonded to eleven Sn and one Bi atom to form distorted BaSn11Bi cuboctahedra that share corners with nine BaSn5Bi7 cuboctahedra and faces with seven BaSn7Bi5 cuboctahedra. There are a spread of Ba–Sn bond distances ranging from 3.66–3.69 Å. The Ba–Bi bond length is 3.67 Å. In the fourth Ba site, Ba is bonded to nine Sn and three Bi atoms to form a mixture of distorted corner and face-sharing BaSn9Bi3 cuboctahedra. There are a spread of Ba–Sn bond distances ranging from 3.67–3.71 Å. There are two shorter (3.67 Å) and one longer (3.69 Å) Ba–Bi bond lengths. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 10-coordinate geometry to four Ba, four Sn, and two equivalent Bi atoms. There are two shorter (3.04 Å) and two longer (3.35 Å) Sn–Sn bond lengths. Both Sn–Bi bond lengths are 3.50 Å. In the second Sn site, Sn is bonded in a 10-coordinate geometry to four Ba, four Sn, and two Bi atoms. There are a spread of Sn–Sn bond distances ranging from 3.02–3.37 Å. There are one shorter (3.50 Å) and one longer (3.56 Å) Sn–Bi bond lengths. In the third Sn site, Sn is bonded in a 4-coordinate geometry to four Ba and six Sn atoms. There are two shorter (3.02 Å) and two longer (3.46 Å) Sn–Sn bond lengths. In the fourth Sn site, Sn is bonded in a 4-coordinate geometry to four Ba, five Sn, and one Bi atom. There are one shorter (3.03 Å) and one longer (3.47 Å) Sn–Sn bond lengths. The Sn–Bi bond length is 3.51 Å. In the fifth Sn site, Sn is bonded in a 4-coordinate geometry to four Ba and two Sn atoms. There are three inequivalent Bi sites. In the first Bi site, Bi is bonded in a distorted square co-planar geometry to four Ba and two equivalent Sn atoms. In the second Bi site, Bi is bonded in a 4-coordinate geometry to four Ba and two Sn atoms. In the third Bi site, Bi is bonded in a 4-coordinate geometry to four Ba and two equivalent Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb5Cu11Sn8 by Materials Project

Yb5Cu11Sn8 crystallizes in the orthorhombic Pmmn space group. The structure is three-dimensional. there are three inequivalent Yb sites. In the first Yb site, Yb is bonded in a 2-coordinate geometry to ten Cu and six Sn atoms. There are a spread of Yb–Cu bond distances ranging from 3.00–3.50 Å. There are a spread of Yb–Sn bond distances ranging from 3.10–3.31 Å. In the second Yb site, Yb is bonded in a 3-coordinate geometry to eight Cu and eight Sn atoms. There are a spread of Yb–Cu bond distances ranging from 3.07–3.50 Å. There are a spread of Yb–Sn bond distances ranging from 3.17–3.73 Å. In the third Yb site, Yb is bonded in a 12-coordinate geometry to seven Cu and seven Sn atoms. There are a spread of Yb–Cu bond distances ranging from 3.03–3.34 Å. There are a spread of Yb–Sn bond distances ranging from 3.27–3.58 Å. There are six inequivalent Cu sites. In the first Cu site, Cu is bonded in a 8-coordinate geometry to four Yb and four Sn atoms. There are a spread of Cu–Sn bond distances ranging from 2.65–2.70 Å. In the second Cu site, Cu is bonded in a 8-coordinate geometry to four Yb and four Sn atoms. There are a spread of Cu–Sn bond distances ranging from 2.62–2.75 Å. In the third Cu site, Cu is bonded in a distorted body-centered cubic geometry to four Yb and four Sn atoms. There are two shorter (2.56 Å) and two longer (2.73 Å) Cu–Sn bond lengths. In the fourth Cu site, Cu is bonded in a 10-coordinate geometry to three Yb, three Cu, and four Sn atoms. There are one shorter (2.47 Å) and two longer (2.60 Å) Cu–Cu bond lengths. There are a spread of Cu–Sn bond distances ranging from 2.64–2.79 Å. In the fifth Cu site, Cu is bonded in a 8-coordinate geometry to three equivalent Yb, one Cu, and four Sn atoms. The Cu–Cu bond length is 2.53 Å. There are a spread of Cu–Sn bond distances ranging from 2.61–2.65 Å. In the sixth Cu site, Cu is bonded in a 10-coordinate geometry to four Yb, three Cu, and three Sn atoms. There are one shorter (2.60 Å) and two longer (2.63 Å) Cu–Sn bond lengths. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to five Yb and five Cu atoms. In the second Sn site, Sn is bonded in a 10-coordinate geometry to four Yb, five Cu, and one Sn atom. The Sn–Sn bond length is 3.07 Å. In the third Sn site, Sn is bonded in a 9-coordinate geometry to four Yb, six Cu, and one Sn atom. In the fourth Sn site, Sn is bonded to five Yb, six Cu, and one Sn atom to form distorted face-sharing SnYb5Cu6Sn cuboctahedra. The Sn–Sn bond length is 2.88 Å. In the fifth Sn site, Sn is bonded in a 10-coordinate geometry to five Yb, four Cu, and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li5Sn5(PO4)6 by Materials Project

Li5Sn5(PO4)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are five inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.57 Å. In the second Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.87–2.23 Å. In the third Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.89–2.25 Å. In the fourth Li1+ site, Li1+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.89–2.22 Å. In the fifth Li1+ site, Li1+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of Li–O bond distances ranging from 1.90–1.94 Å. There are five inequivalent Sn+2.60+ sites. In the first Sn+2.60+ site, Sn+2.60+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Sn–O bond distances ranging from 2.25–2.32 Å. In the second Sn+2.60+ site, Sn+2.60+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sn–O bond distances ranging from 2.33–2.77 Å. In the third Sn+2.60+ site, Sn+2.60+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.04–2.09 Å. In the fourth Sn+2.60+ site, Sn+2.60+ is bonded to six O2- atoms to form distorted SnO6 pentagonal pyramids that share corners with six PO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.18–2.40 Å. In the fifth Sn+2.60+ site, Sn+2.60+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sn–O bond distances ranging from 2.36–2.79 Å. There are six inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and a cornercorner with one SnO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 31°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and a cornercorner with one SnO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 28°. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and a cornercorner with one SnO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 15°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and a cornercorner with one SnO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 10°. There are a spread of P–O bond distances ranging from 1.55–1.58 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and a cornercorner with one SnO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 29°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SnO6 octahedra and a cornercorner with one SnO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 38°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sn+2.60+ and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Sn+2.60+ and one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Sn+2.60+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Sn+2.60+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted T-shaped geometry to two Li1+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two Sn+2.60+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Sn+2.60+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Li1+, two Sn+2.60+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to one Sn+2.60+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, two Sn+2.60+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Sn+2.60+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a linear geometry to one Sn+2.60+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one Sn+2.60+, and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, two Sn+2.60+, and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a distorted T-shaped geometry to two Li1+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted L-shaped geometry to one Li1+, two Sn+2.60+, and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Sn+2.60+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted L-shaped geometry to one Li1+, two Sn+2.60+, and one P5+ atom. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sn+2.60+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a distorted single-bond geometry to one Sn+2.60+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Sn+2.60+, and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sn+2.60+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Sn+2.60+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd3(SnPd)5 by Materials Project

Nd3(PdSn)5 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Nd sites. In the first Nd site, Nd is bonded in a 11-coordinate geometry to six Pd and seven Sn atoms. There are a spread of Nd–Pd bond distances ranging from 3.11–3.31 Å. There are a spread of Nd–Sn bond distances ranging from 3.28–3.49 Å. In the second Nd site, Nd is bonded in a 3-coordinate geometry to seven Pd and eight Sn atoms. There are a spread of Nd–Pd bond distances ranging from 2.92–3.53 Å. There are a spread of Nd–Sn bond distances ranging from 3.32–3.60 Å. In the third Nd site, Nd is bonded in a 10-coordinate geometry to six Pd and four Sn atoms. There are a spread of Nd–Pd bond distances ranging from 3.09–3.29 Å. There are two shorter (3.29 Å) and two longer (3.39 Å) Nd–Sn bond lengths. There are five inequivalent Pd sites. In the first Pd site, Pd is bonded in a 9-coordinate geometry to three Nd and six Sn atoms. There are a spread of Pd–Sn bond distances ranging from 2.90–3.06 Å. In the second Pd site, Pd is bonded in a 8-coordinate geometry to four Nd and four Sn atoms. There are a spread of Pd–Sn bond distances ranging from 2.68–2.81 Å. In the third Pd site, Pd is bonded in a 8-coordinate geometry to four Nd and four Sn atoms. There are a spread of Pd–Sn bond distances ranging from 2.78–2.82 Å. In the fourth Pd site, Pd is bonded in a 8-coordinate geometry to four Nd and four Sn atoms. There are a spread of Pd–Sn bond distances ranging from 2.71–2.87 Å. In the fifth Pd site, Pd is bonded in a 10-coordinate geometry to four Nd, one Pd, and five Sn atoms. The Pd–Pd bond length is 2.91 Å. There are a spread of Pd–Sn bond distances ranging from 2.72–3.01 Å. There are six inequivalent Sn sites. In the first Sn site, Sn is bonded in a 3-coordinate geometry to four Nd, three Pd, and two Sn atoms. There are one shorter (3.00 Å) and one longer (3.15 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a 10-coordinate geometry to four Nd and six Pd atoms. In the third Sn site, Sn is bonded in a 10-coordinate geometry to five Nd, four Pd, and one Sn atom. In the fourth Sn site, Sn is bonded in a 6-coordinate geometry to two equivalent Nd, six Pd, and one Sn atom. The Sn–Sn bond length is 3.19 Å. In the fifth Sn site, Sn is bonded in a 8-coordinate geometry to four Nd and four equivalent Pd atoms. In the sixth Sn site, Sn is bonded to four equivalent Nd, four equivalent Pd, and four Sn atoms to form distorted face-sharing SnNd4Sn4Pd4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li22Sn5 by Materials Project

Li22Sn5 crystallizes in the cubic F-43m space group. The structure is three-dimensional. there are sixteen inequivalent Li sites. In the first Li site, Li is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Sn atoms. All Li–Li bond lengths are 2.54 Å. All Li–Sn bond lengths are 3.00 Å. In the second Li site, Li is bonded in a body-centered cubic geometry to eight Li atoms. There are four shorter (2.71 Å) and four longer (2.79 Å) Li–Li bond lengths. In the third Li site, Li is bonded in a body-centered cubic geometry to eight Li atoms. There are four shorter (2.58 Å) and four longer (2.81 Å) Li–Li bond lengths. In the fourth Li site, Li is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Sn atoms. All Li–Li bond lengths are 2.60 Å. All Li–Sn bond lengths are 2.84 Å. In the fifth Li site, Li is bonded in a 11-coordinate geometry to eight Li and three equivalent Sn atoms. There are a spread of Li–Li bond distances ranging from 2.79–3.16 Å. All Li–Sn bond lengths are 3.22 Å. In the sixth Li site, Li is bonded in a 2-coordinate geometry to six Li and three Sn atoms. There are a spread of Li–Li bond distances ranging from 2.81–2.96 Å. There are two shorter (2.87 Å) and one longer (3.06 Å) Li–Sn bond lengths. In the seventh Li site, Li is bonded in a 1-coordinate geometry to three Li and three Sn atoms. There are one shorter (2.67 Å) and two longer (2.84 Å) Li–Li bond lengths. There are one shorter (2.87 Å) and two longer (3.13 Å) Li–Sn bond lengths. In the eighth Li site, Li is bonded in a 3-coordinate geometry to two Li and three equivalent Sn atoms. All Li–Sn bond lengths are 2.92 Å. In the ninth Li site, Li is bonded in a distorted linear geometry to two Li and two Sn atoms. There are one shorter (2.77 Å) and one longer (2.79 Å) Li–Sn bond lengths. In the tenth Li site, Li is bonded in a 3-coordinate geometry to four Li and three equivalent Sn atoms. All Li–Sn bond lengths are 2.86 Å. In the eleventh Li site, Li is bonded in a 2-coordinate geometry to three Li and three Sn atoms. All Li–Li bond lengths are 2.83 Å. There are a spread of Li–Sn bond distances ranging from 2.82–3.11 Å. In the twelfth Li site, Li is bonded in a 3-coordinate geometry to four Li and three equivalent Sn atoms. All Li–Li bond lengths are 2.82 Å. All Li–Sn bond lengths are 2.91 Å. In the thirteenth Li site, Li is bonded in a 4-coordinate geometry to four Li and four Sn atoms. All Li–Li bond lengths are 2.69 Å. There are one shorter (2.88 Å) and three longer (2.93 Å) Li–Sn bond lengths. In the fourteenth Li site, Li is bonded in a 1-coordinate geometry to seven Li and four Sn atoms. There are one shorter (2.91 Å) and three longer (3.19 Å) Li–Sn bond lengths. In the fifteenth Li site, Li is bonded in a 1-coordinate geometry to seven Li and four Sn atoms. There are one shorter (2.91 Å) and three longer (3.14 Å) Li–Sn bond lengths. In the sixteenth Li site, Li is bonded in a 3-coordinate geometry to two equivalent Li and three Sn atoms. There are two shorter (2.96 Å) and one longer (2.98 Å) Li–Sn bond lengths. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to fourteen Li atoms. In the second Sn site, Sn is bonded in a distorted body-centered cubic geometry to fourteen Li atoms. In the third Sn site, Sn is bonded in a 9-coordinate geometry to thirteen Li atoms. In the fourth Sn site, Sn is bonded in a 8-coordinate geometry to thirteen Li atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy5Sn13 by Materials Project

Dy5Sn13 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Dy sites. In the first Dy site, Dy is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Dy–Sn bond distances ranging from 3.21–3.52 Å. In the second Dy site, Dy is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Dy–Sn bond distances ranging from 3.19–3.45 Å. In the third Dy site, Dy is bonded to twelve Sn atoms to form a mixture of corner and face-sharing DySn12 cuboctahedra. There are four shorter (3.14 Å) and eight longer (3.39 Å) Dy–Sn bond lengths. There are seven inequivalent Sn sites. In the first Sn site, Sn is bonded in a 7-coordinate geometry to two equivalent Dy and five equivalent Sn atoms. There are one shorter (2.92 Å) and four longer (3.14 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a 8-coordinate geometry to six Dy and two equivalent Sn atoms. Both Sn–Sn bond lengths are 3.00 Å. In the third Sn site, Sn is bonded in a 4-coordinate geometry to six Dy and two equivalent Sn atoms. In the fourth Sn site, Sn is bonded in a 7-coordinate geometry to two equivalent Dy and five equivalent Sn atoms. In the fifth Sn site, Sn is bonded in a 10-coordinate geometry to four Dy and six Sn atoms. There are four shorter (3.14 Å) and two longer (3.41 Å) Sn–Sn bond lengths. In the sixth Sn site, Sn is bonded in a 10-coordinate geometry to four Dy and six Sn atoms. Both Sn–Sn bond lengths are 3.36 Å. In the seventh Sn site, Sn is bonded in a square co-planar geometry to four equivalent Dy and eight Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaSnAu by Materials Project

CaAuSn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.23–3.42 Å. There are a spread of Ca–Sn bond distances ranging from 3.29–3.42 Å. In the second Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.31–3.38 Å. There are a spread of Ca–Sn bond distances ranging from 3.41–3.47 Å. In the third Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.26–3.46 Å. There are a spread of Ca–Sn bond distances ranging from 3.31–3.43 Å. In the fourth Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.20–3.47 Å. There are a spread of Ca–Sn bond distances ranging from 3.28–3.44 Å. In the fifth Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.43–3.53 Å. There are three shorter (3.29 Å) and three longer (3.30 Å) Ca–Sn bond lengths. There are five inequivalent Au sites. In the first Au site, Au is bonded in a 10-coordinate geometry to six Ca and four Sn atoms. There are a spread of Au–Sn bond distances ranging from 2.78–3.04 Å. In the second Au site, Au is bonded in a 10-coordinate geometry to six Ca and four Sn atoms. There are a spread of Au–Sn bond distances ranging from 2.78–2.98 Å. In the third Au site, Au is bonded in a 10-coordinate geometry to six Ca and four Sn atoms. There are a spread of Au–Sn bond distances ranging from 2.78–3.06 Å. In the fourth Au site, Au is bonded in a 10-coordinate geometry to six Ca, one Au, and three Sn atoms. The Au–Au bond length is 3.32 Å. There are one shorter (2.77 Å) and two longer (2.79 Å) Au–Sn bond lengths. In the fifth Au site, Au is bonded in a 10-coordinate geometry to six Ca, one Au, and three Sn atoms. There are one shorter (2.77 Å) and two longer (2.78 Å) Au–Sn bond lengths. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 10-coordinate geometry to six Ca and four Au atoms. In the second Sn site, Sn is bonded in a 10-coordinate geometry to six Ca and four Au atoms. In the third Sn site, Sn is bonded in a 3-coordinate geometry to six Ca, three Au, and one Sn atom. The Sn–Sn bond length is 3.01 Å. In the fourth Sn site, Sn is bonded in a 3-coordinate geometry to six Ca, three Au, and one Sn atom. In the fifth Sn site, Sn is bonded in a 10-coordinate geometry to six Ca and four Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li17Sn4 by Materials Project

Li17Sn4 crystallizes in the cubic F-43m space group. The structure is three-dimensional. there are thirteen inequivalent Li sites. In the first Li site, Li is bonded in a 3-coordinate geometry to two equivalent Li and three Sn atoms. Both Li–Li bond lengths are 2.80 Å. There are one shorter (2.88 Å) and two longer (3.00 Å) Li–Sn bond lengths. In the second Li site, Li is bonded in a 11-coordinate geometry to seven Li and four Sn atoms. There are a spread of Li–Li bond distances ranging from 2.63–3.00 Å. There are a spread of Li–Sn bond distances ranging from 2.99–3.17 Å. In the third Li site, Li is bonded in a 3-coordinate geometry to four Li and three Sn atoms. Both Li–Li bond lengths are 2.81 Å. There are two shorter (2.89 Å) and one longer (2.94 Å) Li–Sn bond lengths. In the fourth Li site, Li is bonded in a 3-coordinate geometry to three Li and three Sn atoms. The Li–Li bond length is 2.80 Å. There are a spread of Li–Sn bond distances ranging from 2.84–3.01 Å. In the fifth Li site, Li is bonded in a distorted trigonal planar geometry to three equivalent Li and three equivalent Sn atoms. All Li–Li bond lengths are 2.83 Å. All Li–Sn bond lengths are 2.88 Å. In the sixth Li site, Li is bonded in a 11-coordinate geometry to seven Li and four Sn atoms. The Li–Li bond length is 2.54 Å. There are one shorter (2.92 Å) and three longer (3.12 Å) Li–Sn bond lengths. In the seventh Li site, Li is bonded in a 10-coordinate geometry to six Li and four Sn atoms. All Li–Li bond lengths are 2.87 Å. There are three shorter (2.95 Å) and one longer (3.03 Å) Li–Sn bond lengths. In the eighth Li site, Li is bonded in a 1-coordinate geometry to three Li and three Sn atoms. The Li–Li bond length is 2.81 Å. There are one shorter (2.86 Å) and two longer (3.09 Å) Li–Sn bond lengths. In the ninth Li site, Li is bonded in a distorted bent 150 degrees geometry to two Li and two Sn atoms. There are one shorter (2.98 Å) and one longer (2.99 Å) Li–Li bond lengths. There are one shorter (2.79 Å) and one longer (2.80 Å) Li–Sn bond lengths. In the tenth Li site, Li is bonded in a 12-coordinate geometry to nine Li and three equivalent Sn atoms. All Li–Sn bond lengths are 2.98 Å. In the eleventh Li site, Li is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Sn atoms. All Li–Sn bond lengths are 2.85 Å. In the twelfth Li site, Li is bonded in a 3-coordinate geometry to nine Li and three equivalent Sn atoms. All Li–Li bond lengths are 2.96 Å. All Li–Sn bond lengths are 2.99 Å. In the thirteenth Li site, Li is bonded in a distorted trigonal planar geometry to six Li and three equivalent Sn atoms. All Li–Sn bond lengths are 2.90 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 4-coordinate geometry to thirteen Li atoms. In the second Sn site, Sn is bonded in a 2-coordinate geometry to thirteen Li atoms. In the third Sn site, Sn is bonded in a 7-coordinate geometry to fourteen Li atoms. In the fourth Sn site, Sn is bonded in a 9-coordinate geometry to thirteen Li atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2CuSn2 by Materials Project

Li2CuSn2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. there are three inequivalent Li sites. In the first Li site, Li is bonded in a 2-coordinate geometry to two equivalent Li, two equivalent Cu, and seven equivalent Sn atoms. Both Li–Li bond lengths are 2.92 Å. Both Li–Cu bond lengths are 2.66 Å. There are a spread of Li–Sn bond distances ranging from 2.92–3.13 Å. In the second Li site, Li is bonded in a 2-coordinate geometry to two equivalent Li, two equivalent Cu, and seven Sn atoms. Both Li–Cu bond lengths are 2.66 Å. 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 2-coordinate geometry to two equivalent Li, two equivalent Cu, and seven Sn atoms. Both Li–Li bond lengths are 2.92 Å. Both Li–Cu bond lengths are 2.66 Å. There are a spread of Li–Sn bond distances ranging from 2.92–3.13 Å. Cu is bonded in a distorted body-centered cubic geometry to four equivalent Li and four equivalent Sn atoms. All Cu–Sn bond lengths are 2.63 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Cu, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.99 Å. In the second Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Cu, and two equivalent Sn atoms. There are two shorter (2.96 Å) and four longer (3.13 Å) Sn–Li bond lengths. Both Sn–Cu bond lengths are 2.63 Å. Both Sn–Sn bond lengths are 2.99 Å. In the third Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Cu, and two equivalent Sn atoms. There are one shorter (2.92 Å) and two longer (2.96 Å) Sn–Li bond lengths. Both Sn–Cu bond lengths are 2.63 Å. Both Sn–Sn bond lengths are 2.99 Å. In the fourth Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Cu, and two equivalent Sn atoms. There are two shorter (2.96 Å) and four longer (3.13 Å) Sn–Li bond lengths. Both Sn–Cu bond lengths are 2.63 Å. Both Sn–Sn bond lengths are 2.99 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr4Sn9Au7 by Materials Project

Sr4Au7Sn9 crystallizes in the tetragonal P-4m2 space group. The structure is three-dimensional. there are three inequivalent Sr sites. In the first Sr site, Sr is bonded in a 8-coordinate geometry to six Au and ten Sn atoms. There are four shorter (3.66 Å) and two longer (3.83 Å) Sr–Au bond lengths. There are a spread of Sr–Sn bond distances ranging from 3.66–3.83 Å. In the second Sr site, Sr is bonded in a 12-coordinate geometry to eight Au and eight Sn atoms. There are four shorter (3.61 Å) and four longer (3.71 Å) Sr–Au bond lengths. There are a spread of Sr–Sn bond distances ranging from 3.63–3.81 Å. In the third Sr site, Sr is bonded in a 8-coordinate geometry to six Au and ten Sn atoms. There are four shorter (3.66 Å) and two longer (3.83 Å) Sr–Au bond lengths. There are a spread of Sr–Sn bond distances ranging from 3.66–3.83 Å. There are seven inequivalent Au sites. In the first Au site, Au is bonded in a 9-coordinate geometry to four equivalent Sr and five Sn atoms. There are one shorter (2.68 Å) and four longer (2.85 Å) Au–Sn bond lengths. In the second Au site, Au is bonded in a 9-coordinate geometry to four equivalent Sr and five Sn atoms. All Au–Sr bond lengths are 3.71 Å. There are one shorter (2.71 Å) and four longer (2.83 Å) Au–Sn bond lengths. In the third Au site, Au is bonded in a 9-coordinate geometry to four equivalent Sr and five Sn atoms. There are one shorter (2.68 Å) and four longer (2.85 Å) Au–Sn bond lengths. In the fourth Au site, Au is bonded in a 9-coordinate geometry to four equivalent Sr and five Sn atoms. There are one shorter (2.71 Å) and four longer (2.83 Å) Au–Sn bond lengths. In the fifth Au site, Au is bonded in a 4-coordinate geometry to four equivalent Sr and four equivalent Sn atoms. All Au–Sn bond lengths are 2.81 Å. In the sixth Au site, Au is bonded to four Sr and eight Sn atoms to form distorted AuSr4Sn8 tetrahedra that share corners with four equivalent AuSr4Sn8 tetrahedra, corners with twelve SnSr4Au4 tetrahedra, edges with two equivalent SnSr4Au4 tetrahedra, faces with four equivalent SnSr4Sn4Au4 cuboctahedra, and faces with four equivalent AuSr4Sn8 tetrahedra. There are four shorter (2.91 Å) and four longer (3.41 Å) Au–Sn bond lengths. In the seventh Au site, Au is bonded in a 4-coordinate geometry to four equivalent Sr and four equivalent Sn atoms. All Au–Sn bond lengths are 2.81 Å. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 3-coordinate geometry to four equivalent Sr, three Au, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.91 Å. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent Sr and five Au atoms. In the third Sn site, Sn is bonded to four Sr and four Au atoms to form distorted SnSr4Au4 tetrahedra that share corners with two equivalent SnSr4Sn4Au4 cuboctahedra, corners with four equivalent AuSr4Sn8 tetrahedra, an edgeedge with one SnSr4Sn4Au4 cuboctahedra, edges with four equivalent SnSr4Au4 tetrahedra, and faces with four equivalent SnSr4Au4 tetrahedra. In the fourth Sn site, Sn is bonded to four Sr and four Au atoms to form distorted SnSr4Au4 tetrahedra that share corners with four equivalent SnSr4Sn4Au4 cuboctahedra, corners with two equivalent AuSr4Sn8 tetrahedra, an edgeedge with one AuSr4Sn8 tetrahedra, edges with four equivalent SnSr4Au4 tetrahedra, and faces with four equivalent SnSr4Au4 tetrahedra. In the fifth Sn site, Sn is bonded to four Sr, four equivalent Au, and four equivalent Sn atoms to form SnSr4Sn4Au4 cuboctahedra that share corners with four equivalent SnSr4Sn4Au4 cuboctahedra, corners with twelve SnSr4Au4 tetrahedra, edges with two equivalent SnSr4Au4 tetrahedra, faces with four equivalent SnSr4Sn4Au4 cuboctahedra, and faces with four equivalent AuSr4Sn8 tetrahedra.

36 MATERIALS SCIENCE↗