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DOE OSTI2020

Materials Data on CaMg by Materials Project

MgCa crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded to six Ca and six Mg atoms to form distorted CaCa6Mg6 cuboctahedra that share corners with twelve CaCa6Mg6 cuboctahedra, edges with nine CaCa5Mg7 cuboctahedra, and faces with eight CaCa6Mg6 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.64–3.75 Å. There are a spread of Ca–Mg bond distances ranging from 3.42–3.80 Å. In the second Ca site, Ca is bonded to five Ca and seven Mg atoms to form distorted CaCa5Mg7 cuboctahedra that share corners with six equivalent CaCa5Mg7 cuboctahedra, edges with ten CaCa6Mg6 cuboctahedra, and faces with nine CaCa6Mg6 cuboctahedra. There are one shorter (3.50 Å) and two longer (3.64 Å) Ca–Ca bond lengths. There are a spread of Ca–Mg bond distances ranging from 3.49–3.64 Å. In the third Ca site, Ca is bonded to five Ca and seven Mg atoms to form a mixture of distorted corner, edge, and face-sharing CaCa5Mg7 cuboctahedra. Both Ca–Ca bond lengths are 3.64 Å. There are a spread of Ca–Mg bond distances ranging from 3.43–3.71 Å. There are three inequivalent Mg sites. In the first Mg site, Mg is bonded in a 9-coordinate geometry to seven Ca and two equivalent Mg atoms. Both Mg–Mg bond lengths are 3.42 Å. In the second Mg site, Mg is bonded in a 12-coordinate geometry to six Ca and two equivalent Mg atoms. In the third Mg site, Mg is bonded in a 9-coordinate geometry to seven Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca20(CdGa3)3 by Materials Project

Ca20(CdGa3)3 crystallizes in the tetragonal P422 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded to one Cd and four Ga atoms to form distorted CaCdGa4 trigonal bipyramids that share corners with twelve CaCdGa4 trigonal bipyramids, edges with seven CaCdGa4 trigonal bipyramids, and a faceface with one CaCd2Ga3 trigonal bipyramid. The Ca–Cd bond length is 3.45 Å. There are a spread of Ca–Ga bond distances ranging from 3.15–3.31 Å. In the second Ca site, Ca is bonded to two Cd and three equivalent Ga atoms to form a mixture of distorted edge, face, and corner-sharing CaCd2Ga3 trigonal bipyramids. Both Ca–Cd bond lengths are 3.41 Å. There are a spread of Ca–Ga bond distances ranging from 3.14–3.23 Å. In the third Ca site, Ca is bonded in a 6-coordinate geometry to two Cd and four equivalent Ga atoms. There are one shorter (3.63 Å) and one longer (3.74 Å) Ca–Cd bond lengths. All Ca–Ga bond lengths are 3.25 Å. In the fourth Ca site, Ca is bonded in a 4-coordinate geometry to one Cd and five Ga atoms. The Ca–Cd bond length is 3.73 Å. There are four shorter (3.27 Å) and one longer (3.64 Å) Ca–Ga bond lengths. There are three inequivalent Cd sites. In the first Cd site, Cd is bonded in a 10-coordinate geometry to ten Ca atoms. In the second Cd site, Cd is bonded in a distorted q6 geometry to ten Ca atoms. In the third Cd site, Cd is bonded in a 10-coordinate geometry to ten Ca atoms. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to eight Ca and one Ga atom. The Ga–Ga bond length is 2.61 Å. In the second Ga site, Ga is bonded in a 10-coordinate geometry to ten Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaMg by Materials Project

MgCa crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded to seven Ca and five Mg atoms to form a mixture of distorted corner, edge, and face-sharing CaCa7Mg5 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.61–3.78 Å. There are a spread of Ca–Mg bond distances ranging from 3.40–3.77 Å. In the second Ca site, Ca is bonded to seven Ca and five Mg atoms to form a mixture of distorted corner, edge, and face-sharing CaCa7Mg5 cuboctahedra. There are two shorter (3.61 Å) and two longer (3.76 Å) Ca–Ca bond lengths. There are a spread of Ca–Mg bond distances ranging from 3.45–3.61 Å. In the third Ca site, Ca is bonded in a 12-coordinate geometry to six Ca and six Mg atoms. Both Ca–Ca bond lengths are 3.61 Å. There are a spread of Ca–Mg bond distances ranging from 3.26–3.70 Å. There are three inequivalent Mg sites. In the first Mg site, Mg is bonded in a 5-coordinate geometry to five Ca and two equivalent Mg atoms. Both Mg–Mg bond lengths are 3.44 Å. In the second Mg site, Mg is bonded in a 12-coordinate geometry to six Ca and four Mg atoms. Both Mg–Mg bond lengths are 3.44 Å. In the third Mg site, Mg is bonded in a 7-coordinate geometry to five Ca and two equivalent Mg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca13Al14 by Materials Project

Al14Ca13 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to eight Al atoms. There are a spread of Ca–Al bond distances ranging from 3.19–3.56 Å. In the second Ca site, Ca is bonded in a 5-coordinate geometry to seven Al atoms. There are a spread of Ca–Al bond distances ranging from 3.11–3.50 Å. In the third Ca site, Ca is bonded in a 5-coordinate geometry to nine Al atoms. There are a spread of Ca–Al bond distances ranging from 3.22–3.63 Å. In the fourth Ca site, Ca is bonded in a 9-coordinate geometry to nine Al atoms. There are a spread of Ca–Al bond distances ranging from 3.23–3.47 Å. In the fifth Ca site, Ca is bonded in a distorted square co-planar geometry to four Al atoms. There are two shorter (3.32 Å) and two longer (3.48 Å) Ca–Al bond lengths. There are six inequivalent Al sites. In the first Al site, Al is bonded in a 10-coordinate geometry to seven Ca and three Al atoms. There are two shorter (2.78 Å) and one longer (2.82 Å) Al–Al bond lengths. In the second Al site, Al is bonded in a 11-coordinate geometry to seven Ca and three Al atoms. Both Al–Al bond lengths are 2.76 Å. In the third Al site, Al is bonded in a 10-coordinate geometry to seven Ca and three Al atoms. The Al–Al bond length is 2.88 Å. In the fourth Al site, Al is bonded to eight Ca and four Al atoms to form a mixture of distorted edge and face-sharing AlCa8Al4 cuboctahedra. There are two shorter (2.69 Å) and two longer (2.70 Å) Al–Al bond lengths. In the fifth Al site, Al is bonded in a 10-coordinate geometry to seven Ca and three Al atoms. The Al–Al bond length is 2.68 Å. In the sixth Al site, Al is bonded in a 9-coordinate geometry to seven Ca and two equivalent Al atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiCa7(GeH)3 by Materials Project

LiCa7(GeH)3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Li is bonded in a distorted linear geometry to two equivalent Ge and two H atoms. There are one shorter (2.80 Å) and one longer (2.99 Å) Li–Ge bond lengths. There are one shorter (2.11 Å) and one longer (2.13 Å) Li–H bond lengths. There are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to four Ge and two H atoms. There are a spread of Ca–Ge bond distances ranging from 2.96–3.55 Å. There are one shorter (2.59 Å) and one longer (2.61 Å) Ca–H bond lengths. In the second Ca site, Ca is bonded in a 6-coordinate geometry to four Ge and two H atoms. There are a spread of Ca–Ge bond distances ranging from 2.93–3.54 Å. There are one shorter (2.62 Å) and one longer (2.65 Å) Ca–H bond lengths. In the third Ca site, Ca is bonded in a 5-coordinate geometry to four Ge and two H atoms. There are a spread of Ca–Ge bond distances ranging from 2.93–3.68 Å. There are one shorter (2.49 Å) and one longer (2.59 Å) Ca–H bond lengths. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to three Ge and four H atoms. There are two shorter (3.10 Å) and one longer (3.33 Å) Ca–Ge bond lengths. There are a spread of Ca–H bond distances ranging from 2.44–2.57 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to ten Ca atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to two equivalent Li and seven Ca atoms. There are three inequivalent H sites. In the first H site, H is bonded to one Li and five Ca atoms to form a mixture of face and corner-sharing HLiCa5 octahedra. The corner-sharing octahedra tilt angles range from 1–45°. In the second H site, H is bonded to six Ca atoms to form HCa6 octahedra that share corners with four HCa6 octahedra and faces with two HLiCa5 octahedra. The corner-sharing octahedra tilt angles range from 22–45°. In the third H site, H is bonded to one Li and five Ca atoms to form a mixture of distorted face and corner-sharing HLiCa5 octahedra. The corner-sharing octahedra tilt angles range from 1–45°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca4AlZn43 by Materials Project

Ca4Zn43Al crystallizes in the orthorhombic C222 space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded in a 8-coordinate geometry to eighteen Zn atoms. There are a spread of Ca–Zn bond distances ranging from 3.28–3.43 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to sixteen Zn and two equivalent Al atoms. There are a spread of Ca–Zn bond distances ranging from 3.28–3.43 Å. Both Ca–Al bond lengths are 3.43 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to eighteen Zn atoms. There are a spread of Ca–Zn bond distances ranging from 3.28–3.43 Å. There are twelve inequivalent Zn sites. In the first Zn site, Zn is bonded in a 12-coordinate geometry to two Ca and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.58–3.00 Å. In the second Zn site, Zn is bonded in a 12-coordinate geometry to two Ca and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.58–2.94 Å. In the third Zn site, Zn is bonded in a 12-coordinate geometry to two Ca and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.60–3.01 Å. In the fourth Zn site, Zn is bonded in a 12-coordinate geometry to two Ca and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.60–3.00 Å. In the fifth Zn site, Zn is bonded in a 12-coordinate geometry to two Ca, nine Zn, and one Al atom. There are a spread of Zn–Zn bond distances ranging from 2.58–3.00 Å. The Zn–Al bond length is 2.88 Å. In the sixth Zn site, Zn is bonded in a 12-coordinate geometry to two Ca and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.58–3.00 Å. In the seventh Zn site, Zn is bonded in a 12-coordinate geometry to two Ca and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.60–3.00 Å. In the eighth Zn site, Zn is bonded in a 12-coordinate geometry to two Ca, nine Zn, and one Al atom. There are a spread of Zn–Zn bond distances ranging from 2.61–3.00 Å. The Zn–Al bond length is 2.89 Å. In the ninth Zn site, Zn is bonded in a distorted q6 geometry to nine Zn and one Al atom. The Zn–Zn bond length is 2.79 Å. The Zn–Al bond length is 2.82 Å. In the tenth Zn site, Zn is bonded in a distorted q6 geometry to ten Zn atoms. There are one shorter (2.80 Å) and one longer (2.82 Å) Zn–Zn bond lengths. In the eleventh Zn site, Zn is bonded in a 6-coordinate geometry to two equivalent Ca and twelve Zn atoms. In the twelfth Zn site, Zn is bonded in a 6-coordinate geometry to two equivalent Ca and twelve Zn atoms. Al is bonded in a 12-coordinate geometry to two equivalent Ca and twelve Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li6Ca17Hg9 by Materials Project

Li6Ca17Hg9 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Li is bonded in a 3-coordinate geometry to one Ca and three Hg atoms. The Li–Ca bond length is 3.38 Å. There are two shorter (2.79 Å) and one longer (3.12 Å) Li–Hg bond lengths. There are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a distorted square co-planar geometry to two equivalent Ca and four equivalent Hg atoms. Both Ca–Ca bond lengths are 3.92 Å. All Ca–Hg bond lengths are 3.31 Å. In the second Ca site, Ca is bonded to twelve Ca atoms to form distorted corner-sharing CaCa12 cuboctahedra. All Ca–Ca bond lengths are 4.02 Å. In the third Ca site, Ca is bonded in a 4-coordinate geometry to one Ca and four Hg atoms. There are a spread of Ca–Hg bond distances ranging from 3.17–3.30 Å. In the fourth Ca site, Ca is bonded in a cuboctahedral geometry to twelve equivalent Li atoms. There are two inequivalent Hg sites. In the first Hg site, Hg is bonded in a 8-coordinate geometry to four equivalent Li and four equivalent Ca atoms. In the second Hg site, Hg is bonded in a 9-coordinate geometry to one Li and eight Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaCu by Materials Project

CaCu crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.02–3.23 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.02–3.23 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.02–3.23 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.03–3.23 Å. In the fifth Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.02–3.23 Å. There are five inequivalent Cu sites. In the first Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.50 Å. In the second Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.50 Å. In the third Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. In the fourth Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. In the fifth Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.50 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaCu by Materials Project

CaCu 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 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.01–3.24 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.01–3.22 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.00–3.23 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.01–3.23 Å. In the fifth Ca site, Ca is bonded in a 7-coordinate geometry to seven Cu atoms. There are a spread of Ca–Cu bond distances ranging from 3.01–3.24 Å. There are five inequivalent Cu sites. In the first Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.51 Å. In the second Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.51 Å. In the third Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. In the fourth Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. In the fifth Cu site, Cu is bonded in a 9-coordinate geometry to seven Ca and two equivalent Cu atoms. Both Cu–Cu bond lengths are 2.51 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaCa3SmP3O12F by Materials Project

NaCa3SmP3O12F crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.49–2.96 Å. In the second Na1+ site, Na1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.95 Å. In the third Na1+ site, Na1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.46–2.93 Å. In the fourth Na1+ site, Na1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.95 Å. There are twelve inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ca–O bond distances ranging from 2.40–2.98 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with two SmO6F pentagonal bipyramids, corners with three CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.36–2.57 Å. The Ca–F bond length is 2.42 Å. In the third Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with two SmO6F pentagonal bipyramids, corners with three CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.35–2.63 Å. The Ca–F bond length is 2.40 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to six O2- and one F1- atom. There are a spread of Ca–O bond distances ranging from 2.35–2.59 Å. The Ca–F bond length is 2.34 Å. In the fifth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share a cornercorner with one SmO6F pentagonal bipyramid, corners with five CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.35–2.59 Å. The Ca–F bond length is 2.40 Å. In the sixth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share a cornercorner with one SmO6F pentagonal bipyramid, corners with five CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.36–2.65 Å. The Ca–F bond length is 2.39 Å. In the seventh Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with three CaO6F pentagonal bipyramids, corners with three SmO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.33–2.61 Å. The Ca–F bond length is 2.39 Å. In the eighth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with two SmO6F pentagonal bipyramids, corners with three CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.36–2.64 Å. The Ca–F bond length is 2.34 Å. In the ninth Ca2+ site, Ca2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.90 Å. In the tenth Ca2+ site, Ca2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ca–O bond distances ranging from 2.39–2.93 Å. In the eleventh Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share a cornercorner with one SmO6F pentagonal bipyramid, corners with five CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.35–2.61 Å. The Ca–F bond length is 2.43 Å. In the twelfth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with five CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.35–2.62 Å. The Ca–F bond length is 2.36 Å. There are four inequivalent Sm3+ sites. In the first Sm3+ site, Sm3+ is bonded to six O2- and one F1- atom to form distorted SmO6F pentagonal bipyramids that share a cornercorner with one SmO6F pentagonal bipyramid, corners with four CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Sm–O bond distances ranging from 2.35–2.54 Å. The Sm–F bond length is 2.32 Å. In the second Sm3+ site, Sm3+ is bonded to six O2- and one F1- atom to form distorted SmO6F pentagonal bipyramids that share a cornercorner with one SmO6F pentagonal bipyramid, corners with four CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Sm–O bond distances ranging from 2.35–2.60 Å. The Sm–F bond length is 2.31 Å. In the third Sm3+ site, Sm3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sm–O bond distances ranging from 2.41–2.84 Å. In the fourth Sm3+ site, Sm3+ is bonded to six O2- and one F1- atom to form distorted SmO6F pentagonal bipyramids that share corners with two SmO6F pentagonal bipyramids, corners with four CaO6F pentagonal bipyramids, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Sm–O bond distances ranging from 2.32–2.50 Å. The Sm–F bond length is 2.31 Å. There are twelve inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CaO6F pentagonal bipyramids, corners with two SmO6F pentagonal bipyramids, and an edgeedge with one SmO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.53–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CaO6F pentagonal bipyramids and corners with two SmO6F pentagonal bipyramids. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SmO6F pentagonal bipyramid, corners with three CaO6F pentagonal bipyramids, and an edgeedge with one CaO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids and an edgeedge with one CaO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SmO6F pentagonal bipyramid, corners with three CaO6F pentagonal bipyramids, and an edgeedge with one CaO6F pentagonal bipyramid. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids and an edgeedge with one CaO6F pentagonal bipyramid. There is two shorter (1.54 Å) and two longer (1.57 Å) P–O bond length. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four CaO6F pentagonal bipyramids and an edgeedge with one SmO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four CaO6F pentagonal bipyramids and an edgeedge with one SmO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the ninth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one CaO6F pentagonal bipyramid, corners with two SmO6F pentagonal bipyramids, and an edgeedge with one CaO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the tenth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one CaO6F pentagonal bipyramid, corners with two SmO6F pentagonal bipyramids, and an edgeedge with one CaO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the eleventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SmO6F pentagonal bipyramid, corners with three CaO6F pentagonal bipyramids, and an edgeedge with one CaO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the twelfth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SmO6F pentagonal bipyramid, corners with three CaO6F pentagonal bipyramids, and an edgeedge with one CaO6F pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. There are forty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Sm3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, two Sm3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, two Sm3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Sm3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Ca2+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a 1-coordinate geometry to two Ca2+, one Sm3+, and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the twentieth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Ca2+, one Sm3+, and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a 1-coordinate geometry to three Ca2+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a 1

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrCa by Materials Project

SrCa is alpha La-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Sr sites. In the first Sr site, Sr is bonded to six equivalent Sr and six Ca atoms to form SrSr6Ca6 cuboctahedra that share corners with twelve SrSr6Ca6 cuboctahedra, edges with twelve SrSr6Ca6 cuboctahedra, edges with twelve CaSr6Ca6 cuboctahedra, faces with six equivalent SrSr6Ca6 cuboctahedra, and faces with twelve CaSr6Ca6 cuboctahedra. All Sr–Sr bond lengths are 4.08 Å. All Sr–Ca bond lengths are 4.08 Å. In the second Sr site, Sr is bonded to ten equivalent Sr and six Ca atoms to form SrSr10Ca6 cuboctahedra that share corners with ten CaSr6Ca6 cuboctahedra, corners with twelve SrSr6Ca6 cuboctahedra, edges with eight CaSr6Ca6 cuboctahedra, edges with sixteen SrSr6Ca6 cuboctahedra, faces with sixteen equivalent SrSr10Ca6 cuboctahedra, and faces with eighteen CaSr6Ca6 cuboctahedra. There are a spread of Sr–Sr bond distances ranging from 4.08–8.17 Å. All Sr–Ca bond lengths are 4.08 Å. There are three inequivalent Ca sites. In the first Ca site, Ca is bonded to six equivalent Sr and six equivalent Ca atoms to form CaSr6Ca6 cuboctahedra that share corners with twelve CaSr6Ca6 cuboctahedra, edges with twelve equivalent SrSr6Ca6 cuboctahedra, edges with twelve CaSr6Ca6 cuboctahedra, faces with six equivalent CaSr6Ca6 cuboctahedra, and faces with twelve equivalent SrSr6Ca6 cuboctahedra. All Ca–Ca bond lengths are 4.08 Å. In the second Ca site, Ca is bonded to six Sr and six equivalent Ca atoms to form CaSr6Ca6 cuboctahedra that share corners with five equivalent SrSr10Ca6 cuboctahedra, corners with twelve CaSr6Ca6 cuboctahedra, edges with ten SrSr6Ca6 cuboctahedra, edges with twelve CaSr6Ca6 cuboctahedra, faces with six equivalent CaSr6Ca6 cuboctahedra, and faces with fifteen SrSr6Ca6 cuboctahedra. All Ca–Sr bond lengths are 4.08 Å. All Ca–Ca bond lengths are 4.08 Å. In the third Ca site, Ca is bonded to six Sr and six equivalent Ca atoms to form CaSr6Ca6 cuboctahedra that share corners with five equivalent SrSr10Ca6 cuboctahedra, corners with twelve CaSr6Ca6 cuboctahedra, edges with ten SrSr6Ca6 cuboctahedra, edges with twelve CaSr6Ca6 cuboctahedra, faces with six equivalent CaSr6Ca6 cuboctahedra, and faces with fifteen SrSr6Ca6 cuboctahedra. All Ca–Ca bond lengths are 4.08 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca6P19Rh30 by Materials Project

Ca6Rh30P19 crystallizes in the trigonal P3 space group. The structure is three-dimensional. there are two inequivalent Ca sites. In the first Ca site, Ca is bonded to six Rh and six P atoms to form distorted CaP6Rh6 cuboctahedra that share corners with four RhP4 tetrahedra, an edgeedge with one RhP4 tetrahedra, and faces with two equivalent CaP6Rh6 cuboctahedra. There are a spread of Ca–Rh bond distances ranging from 3.06–3.10 Å. There are a spread of Ca–P bond distances ranging from 2.98–3.02 Å. In the second Ca site, Ca is bonded to six Rh and six P atoms to form distorted CaP6Rh6 cuboctahedra that share corners with four RhP4 tetrahedra, an edgeedge with one RhP4 tetrahedra, and faces with two equivalent CaP6Rh6 cuboctahedra. There are a spread of Ca–Rh bond distances ranging from 3.07–3.11 Å. There are a spread of Ca–P bond distances ranging from 2.99–3.02 Å. There are ten inequivalent Rh sites. In the first Rh site, Rh is bonded in a 5-coordinate geometry to five P atoms. There are a spread of Rh–P bond distances ranging from 2.38–2.55 Å. In the second Rh site, Rh is bonded to four P atoms to form distorted RhP4 tetrahedra that share corners with four CaP6Rh6 cuboctahedra, corners with seven RhP4 tetrahedra, an edgeedge with one CaP6Rh6 cuboctahedra, and edges with two equivalent RhP4 tetrahedra. There are a spread of Rh–P bond distances ranging from 2.32–2.47 Å. In the third Rh site, Rh is bonded to four P atoms to form distorted RhP4 tetrahedra that share corners with four CaP6Rh6 cuboctahedra, corners with seven RhP4 tetrahedra, an edgeedge with one CaP6Rh6 cuboctahedra, and edges with two equivalent RhP4 tetrahedra. There are a spread of Rh–P bond distances ranging from 2.35–2.51 Å. In the fourth Rh site, Rh is bonded in a 12-coordinate geometry to two equivalent Ca and four P atoms. There are a spread of Rh–P bond distances ranging from 2.34–2.51 Å. In the fifth Rh site, Rh is bonded in a 12-coordinate geometry to two equivalent Ca and four P atoms. There are a spread of Rh–P bond distances ranging from 2.34–2.51 Å. In the sixth Rh site, Rh is bonded in a 12-coordinate geometry to two equivalent Ca and four P atoms. There are a spread of Rh–P bond distances ranging from 2.36–2.49 Å. In the seventh Rh site, Rh is bonded in a 6-coordinate geometry to two equivalent Ca and four P atoms. There are a spread of Rh–P bond distances ranging from 2.35–2.49 Å. In the eighth Rh site, Rh is bonded in a 12-coordinate geometry to two equivalent Ca and four P atoms. There are a spread of Rh–P bond distances ranging from 2.34–2.53 Å. In the ninth Rh site, Rh is bonded in a 12-coordinate geometry to two equivalent Ca and four P atoms. There are a spread of Rh–P bond distances ranging from 2.33–2.55 Å. In the tenth Rh site, Rh is bonded in a 5-coordinate geometry to five P atoms. There are one shorter (2.37 Å) and four longer (2.55 Å) Rh–P bond lengths. There are seven inequivalent P sites. In the first P site, P is bonded in a 9-coordinate geometry to two equivalent Ca and seven Rh atoms. In the second P site, P is bonded in a 9-coordinate geometry to two equivalent Ca and seven Rh atoms. In the third P site, P is bonded in a 9-coordinate geometry to two equivalent Ca and seven Rh atoms. In the fourth P site, P is bonded in a 9-coordinate geometry to two equivalent Ca and seven Rh atoms. In the fifth P site, P is bonded in a 8-coordinate geometry to two equivalent Ca and six Rh atoms. In the sixth P site, P is bonded in a 8-coordinate geometry to two equivalent Ca and six Rh atoms. In the seventh P site, P is bonded in a distorted octahedral geometry to six Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaAl2(SiO6)2 by Materials Project

CaAl2(SiO6)2 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are two inequivalent Ca sites. In the first Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.99 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.93 Å. There are four inequivalent Al sites. In the first Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.71–1.91 Å. In the second Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.74–1.77 Å. In the third Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.72–1.79 Å. In the fourth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.74–1.77 Å. There are four inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.58–1.75 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. There are twenty-four inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the fourth O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the fifth O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the sixth O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the seventh O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the eighth O site, O is bonded in a 2-coordinate geometry to one Ca, one Al, and one Si atom. In the ninth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the tenth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the eleventh O site, O is bonded in a 3-coordinate geometry to one Al, one Si, and one O atom. The O–O bond length is 1.44 Å. In the twelfth O site, O is bonded in a bent 120 degrees geometry to one Al and one Si atom. In the thirteenth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the fourteenth O site, O is bonded in a 2-coordinate geometry to one Ca, one Al, and one Si atom. In the fifteenth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the sixteenth O site, O is bonded in a 3-coordinate geometry to one Ca, one Al, and one Si atom. In the seventeenth O site, O is bonded in an L-shaped geometry to one Ca and one O atom. The O–O bond length is 1.23 Å. In the eighteenth O site, O is bonded in a single-bond geometry to one O atom. The O–O bond length is 1.24 Å. In the nineteenth O site, O is bonded in a water-like geometry to one Ca and one O atom. In the twentieth O site, O is bonded in a single-bond geometry to one Ca atom. In the twenty-first O site, O is bonded in a distorted water-like geometry to one Ca and one O atom. The O–O bond length is 1.23 Å. In the twenty-second O site, O is bonded in a single-bond geometry to one O atom. In the twenty-third O site, O is bonded in a bent 120 degrees geometry to one Ca and one O atom. In the twenty-fourth O site, O is bonded in a bent 150 degrees geometry to one Ca and one O atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca6Si6O19 by Materials Project

Ca6Si6O19 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with four SiO4 tetrahedra and edges with two equivalent CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.31–2.42 Å. In the second Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with six SiO4 tetrahedra and edges with two equivalent CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.38–2.44 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.33–2.83 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.32–2.78 Å. There are three inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–60°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–60°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Si–O bond distances ranging from 1.61–1.64 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a linear geometry to two equivalent Si atoms. In the second O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the third O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the fourth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the fifth O site, O is bonded in a distorted bent 150 degrees geometry to one Ca and two Si atoms. In the sixth O site, O is bonded in a 2-coordinate geometry to one Ca and two Si atoms. In the seventh O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si trigonal pyramids. In the eighth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si trigonal pyramids. In the ninth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si tetrahedra. In the tenth O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca7(Si2O5)8 by Materials Project

Ca7(Si2O5)8 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with five SiO4 tetrahedra and edges with three CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.32–2.50 Å. In the second Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.51 Å. In the third Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with six SiO4 tetrahedra and edges with three CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.37–2.49 Å. In the fourth Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.31–2.92 Å. There are eight inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–60°. There is two shorter (1.63 Å) and two longer (1.64 Å) Si–O bond length. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 60°. All Si–O bond lengths are 1.63 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–72°. There is one shorter (1.62 Å) and three longer (1.63 Å) Si–O bond length. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 51°. All Si–O bond lengths are 1.63 Å. In the fifth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–59°. There are a spread of Si–O bond distances ranging from 1.62–1.64 Å. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–73°. There is one shorter (1.62 Å) and three longer (1.63 Å) Si–O bond length. In the seventh Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is one shorter (1.61 Å) and three longer (1.63 Å) Si–O bond length. In the eighth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.64 Å. There are twenty inequivalent O sites. In the first O site, O is bonded in a distorted bent 150 degrees geometry to two Si atoms. In the second O site, O is bonded in a distorted linear geometry to one Ca and two Si atoms. In the third O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fourth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fifth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the sixth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the seventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the eighth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the ninth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the tenth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the eleventh O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the twelfth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si tetrahedra. In the thirteenth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the fourteenth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the fifteenth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si tetrahedra. In the sixteenth O site, O is bonded in a bent 120 degrees geometry to two Si atoms. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the nineteenth O site, O is bonded in a linear geometry to two Si atoms. In the twentieth O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaMnBe2Si5O17 by Materials Project

CaBe2MnSi5O17 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.98 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.97 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.96 Å. In the fourth Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.97 Å. There are six inequivalent Be sites. In the first Be site, Be is bonded to four O atoms to form BeO4 tetrahedra that share a cornercorner with one MnO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are a spread of Be–O bond distances ranging from 1.59–1.72 Å. In the second Be site, Be is bonded to four O atoms to form BeO4 tetrahedra that share a cornercorner with one MnO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are a spread of Be–O bond distances ranging from 1.59–1.72 Å. In the third Be site, Be is bonded to four O atoms to form BeO4 tetrahedra that share a cornercorner with one MnO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Be–O bond distances ranging from 1.58–1.76 Å. In the fourth Be site, Be is bonded to four O atoms to form BeO4 tetrahedra that share a cornercorner with one MnO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Be–O bond distances ranging from 1.58–1.76 Å. In the fifth Be site, Be is bonded to four O atoms to form BeO4 tetrahedra that share a cornercorner with one MnO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Be–O bond distances ranging from 1.58–1.76 Å. In the sixth Be site, Be is bonded to four O atoms to form BeO4 tetrahedra that share a cornercorner with one MnO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one MnO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Be–O bond distances ranging from 1.58–1.76 Å. There are four inequivalent Mn sites. In the first Mn site, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with two equivalent BeO4 tetrahedra, corners with four SiO4 tetrahedra, and edges with two equivalent BeO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.89–2.17 Å. In the second Mn site, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with two equivalent BeO4 tetrahedra, corners with four SiO4 tetrahedra, and edges with two equivalent BeO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.89–2.16 Å. In the third Mn site, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with two BeO4 tetrahedra, corners with four SiO4 tetrahedra, and edges with two BeO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.06 Å. In the fourth Mn site, Mn is bonded to six O atoms to form MnO6 octahedra that share corners with two BeO4 tetrahedra, corners with four SiO4 tetrahedra, and edges with two BeO4 tetrahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.05 Å. There are fifteen inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four MnO6 octahedra and corners with four BeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–64°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four MnO6 octahedra and corners with four BeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–63°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four MnO6 octahedra and corners with four BeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–64°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four MnO6 octahedra and corners with four BeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–63°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the fifth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is three shorter (1.62 Å) and one longer (1.63 Å) Si–O bond length. In the sixth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is three shorter (1.62 Å) and one longer (1.63 Å) Si–O bond length. In the seventh Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is three shorter (1.62 Å) and one longer (1.63 Å) Si–O bond length. In the eighth Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is three shorter (1.62 Å) and one longer (1.63 Å) Si–O bond length. In the ninth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the tenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the eleventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the twelfth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the thirteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the fourteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the fifteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with three SiO4 tetrahedra. There is three shorter (1.63 Å) and one longer (1.65 Å) Si–O bond length. There are sixty-eight inequivalent O sites. In the first O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. The O–Be bond length is 1.62 Å. In the second O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. The O–Be bond length is 1.62 Å. In the third O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. In the fourth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. In the fifth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. In the sixth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. In the seventh O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. In the eighth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Be, one Mn, and one Si atom. In the ninth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. In the tenth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. In the eleventh O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. In the twelfth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. In the thirteenth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. The O–Be bond length is 1.72 Å. In the fourteenth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. The O–Be bond length is 1.72 Å. In the fifteenth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. In the sixteenth O site, O is bonded in a 4-coordinate geometry to one Ca, one Be, one Mn, and one Si atom. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the nineteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the twentieth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the twenty-first O site, O is bonded in a bent 150 degrees geometry to two Si atoms. Both O–Si bond lengths are 1.62 Å. In the twenty-second O site, O is bonded in a bent 150 degrees geometry to two Si atoms. Both O–Si bond lengths are 1.62 Å. In the twenty-third O site, O is bonded in a bent 150 degrees geometry to two Si atoms. Both O–Si bond lengths are 1.62 Å. In the twenty-fourth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. Both O–Si bond lengths are 1.62 Å. In the twenty-fifth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. Both O–Si bond lengths are 1.62 Å. In the twenty-sixth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. Both O–Si bond lengths are 1.62 Å. In the twenty-seventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the twenty-eighth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the twenty-ninth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirtieth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-first O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-second O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length is 1.64 Å. In the thirty-third O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-fourth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-fifth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the thirty-sixth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length is 1.63 Å. In the thirty-seventh O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length is 1.63 Å. In the thirty-eighth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length is 1.63 Å. In the thirty-ninth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length is 1.63 Å. In the fortieth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length is 1.63 Å. In the forty-first O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the forty-second O site, O is bonded in a bent 150 degrees geometry to two Si atoms. The O–Si bond length

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca6Si6O19 by Materials Project

Ca6Si6O19 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with four SiO4 tetrahedra and edges with two equivalent CaO6 octahedra. There are two shorter (2.30 Å) and four longer (2.42 Å) Ca–O bond lengths. In the second Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with six SiO4 tetrahedra and edges with two equivalent CaO6 octahedra. There are two shorter (2.37 Å) and four longer (2.42 Å) Ca–O bond lengths. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.34–2.78 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.32–2.78 Å. There are three inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–61°. There are a spread of Si–O bond distances ranging from 1.63–1.67 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–61°. There are a spread of Si–O bond distances ranging from 1.63–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Si–O bond distances ranging from 1.61–1.64 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the second O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms. In the third O site, O is bonded in a distorted bent 150 degrees geometry to one Ca and two Si atoms. In the fourth O site, O is bonded in a distorted bent 150 degrees geometry to one Ca and two Si atoms. In the fifth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si trigonal pyramids. In the sixth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si trigonal pyramids. In the seventh O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si tetrahedra. In the eighth O site, O is bonded in a linear geometry to two equivalent Si atoms. In the ninth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the tenth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaNp by Materials Project

CaNp is alpha La-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded to six equivalent Ca and six equivalent Np atoms to form CaCa6Np6 cuboctahedra that share corners with twelve CaCa6Np6 cuboctahedra, edges with twelve CaCa6Np6 cuboctahedra, edges with twelve equivalent NpCa6Np6 cuboctahedra, faces with six equivalent CaCa6Np6 cuboctahedra, and faces with twelve equivalent NpCa6Np6 cuboctahedra. All Ca–Ca bond lengths are 3.39 Å. All Ca–Np bond lengths are 3.69 Å. In the second Ca site, Ca is bonded to six equivalent Ca and six Np atoms to form CaCa6Np6 cuboctahedra that share corners with five equivalent NpCa6Np10 cuboctahedra, corners with twelve CaCa6Np6 cuboctahedra, edges with ten NpCa6Np6 cuboctahedra, edges with twelve CaCa6Np6 cuboctahedra, faces with six equivalent CaCa6Np6 cuboctahedra, and faces with fifteen NpCa6Np6 cuboctahedra. All Ca–Ca bond lengths are 3.39 Å. All Ca–Np bond lengths are 3.69 Å. In the third Ca site, Ca is bonded to six equivalent Ca and six Np atoms to form CaCa6Np6 cuboctahedra that share corners with five equivalent NpCa6Np10 cuboctahedra, corners with twelve CaCa6Np6 cuboctahedra, edges with ten NpCa6Np6 cuboctahedra, edges with twelve CaCa6Np6 cuboctahedra, faces with six equivalent CaCa6Np6 cuboctahedra, and faces with fifteen NpCa6Np6 cuboctahedra. All Ca–Ca bond lengths are 3.39 Å. All Ca–Np bond lengths are 3.69 Å. There are two inequivalent Np sites. In the first Np site, Np is bonded to six Ca and six equivalent Np atoms to form NpCa6Np6 cuboctahedra that share corners with twelve NpCa6Np6 cuboctahedra, edges with twelve CaCa6Np6 cuboctahedra, edges with twelve NpCa6Np6 cuboctahedra, faces with six equivalent NpCa6Np6 cuboctahedra, and faces with twelve CaCa6Np6 cuboctahedra. All Np–Np bond lengths are 3.39 Å. In the second Np site, Np is bonded to six Ca and ten equivalent Np atoms to form NpCa6Np10 cuboctahedra that share corners with ten CaCa6Np6 cuboctahedra, corners with twelve NpCa6Np6 cuboctahedra, edges with eight CaCa6Np6 cuboctahedra, edges with sixteen NpCa6Np6 cuboctahedra, faces with sixteen equivalent NpCa6Np10 cuboctahedra, and faces with eighteen CaCa6Np6 cuboctahedra. There are a spread of Np–Np bond distances ranging from 3.39–6.78 Å.

36 MATERIALS SCIENCE↗