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Materials Data on CaCO3 by Materials Project

CaCO3 is Calcite-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ca2+ is bonded to six O2- atoms to form corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 61–63°. There are a spread of Ca–O bond distances ranging from 2.38–2.40 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ca2+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ca2+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LaSc3(BO3)4 by Materials Project

LaSc3(BO3)4 is Calcite-derived structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. La3+ is bonded to six equivalent O2- atoms to form distorted LaO6 pentagonal pyramids that share corners with six equivalent ScO6 pentagonal pyramids. All La–O bond lengths are 2.39 Å. Sc3+ is bonded to six O2- atoms to form distorted ScO6 pentagonal pyramids that share corners with two equivalent LaO6 pentagonal pyramids and corners with four equivalent ScO6 pentagonal pyramids. There are a spread of Sc–O bond distances ranging from 2.08–2.25 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one La3+, one Sc3+, and one B3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sc3+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sc3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on PrAl3(BO3)4 by Materials Project

PrAl3(BO3)4 is Calcite-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pr3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pr–O bond distances ranging from 2.40–2.45 Å. There are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.86–1.99 Å. In the second Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.97 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.38–1.40 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Pr3+, one Al3+, and one B3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Pr3+, one Al3+, and one B3+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Pr3+, one Al3+, and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaCO3 by Materials Project

CaCO3 is Calcite-like structured and crystallizes in the hexagonal P6_522 space group. The structure is three-dimensional. there are three inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ca–O bond distances ranging from 2.33–2.46 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing CaO6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 64°. There are four shorter (2.38 Å) and two longer (2.41 Å) Ca–O bond lengths. In the third Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ca–O bond distances ranging from 2.36–2.45 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Ca2+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on GdAl3(BO3)4 by Materials Project

GdAl3(BO3)4 is Calcite-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Gd–O bond distances ranging from 2.35–2.38 Å. In the second Gd3+ site, Gd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are two shorter (2.36 Å) and four longer (2.37 Å) Gd–O bond lengths. There are five inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. In the second Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. In the third Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.95 Å. In the fourth Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. In the fifth Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. There are seven inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.39 Å) B–O bond length. In the third B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the fourth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.39 Å. In the fifth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.39 Å) B–O bond length. In the sixth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the seventh B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. There are nineteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Al3+, and one B3+ atom. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NdGa3(BO3)4 by Materials Project

NdGa3(BO3)4 is Calcite-derived structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. Nd3+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Nd–O bond lengths are 2.41 Å. Ga3+ is bonded to six O2- atoms to form edge-sharing GaO6 octahedra. There are a spread of Ga–O bond distances ranging from 1.95–2.05 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.40 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Nd3+, one Ga3+, and one B3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ga3+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ga3+ and one B3+ atom.

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Materials Data on CaCO3 by Materials Project

CaCO3 is Calcite-like structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 60–62°. There are three shorter (2.38 Å) and three longer (2.39 Å) Ca–O bond lengths. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted corner-sharing CaO6 pentagonal pyramids. The corner-sharing octahedra tilt angles range from 59–63°. There are a spread of Ca–O bond distances ranging from 2.39–2.41 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Ca2+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Ca2+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on YAl3(BO3)4 by Materials Project

YAl3(BO3)4 is Calcite-derived structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. Y3+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Y–O bond lengths are 2.34 Å. Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.88–1.95 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Y3+, one Al3+, and one B3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LaSc3(BO3)4 by Materials Project

LaSc3(BO3)4 is Calcite-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. La3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of La–O bond distances ranging from 2.48–2.50 Å. There are two inequivalent Sc3+ sites. In the first Sc3+ site, Sc3+ is bonded to six O2- atoms to form edge-sharing ScO6 octahedra. There are a spread of Sc–O bond distances ranging from 2.06–2.16 Å. In the second Sc3+ site, Sc3+ is bonded to six O2- atoms to form edge-sharing ScO6 octahedra. There are a spread of Sc–O bond distances ranging from 2.08–2.16 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.39 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sc3+ and one B3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one La3+, one Sc3+, and one B3+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one La3+, one Sc3+, and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sc3+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one La3+, one Sc3+, and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sc3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on GdFe3(BO3)4 by Materials Project

GdFe3(BO3)4 is Calcite-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Gd3+ is bonded in a 6-coordinate geometry to six O2- atoms. All Gd–O bond lengths are 2.36 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form edge-sharing FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.93–1.99 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form edge-sharing FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.93–1.99 Å. There are three inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.39 Å) B–O bond length. In the third B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.39 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one B3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Fe3+, and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Fe3+, and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Fe3+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Fe3+, and one B3+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Fe3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaMg(CO3)2 by Materials Project

CaMg(CO3)2 is Calcite-derived structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Ca2+ is bonded to six equivalent O2- atoms to form CaO6 octahedra that share corners with six equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 61°. All Ca–O bond lengths are 2.41 Å. Mg2+ is bonded to six equivalent O2- atoms to form MgO6 octahedra that share corners with six equivalent CaO6 octahedra. The corner-sharing octahedral tilt angles are 61°. All Mg–O bond lengths are 2.12 Å. C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.30 Å. O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one Mg2+, and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaMg3(CO3)4 by Materials Project

CaMg3(CO3)4 is Calcite-derived structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. Ca2+ is bonded to six equivalent O2- atoms to form distorted CaO6 pentagonal pyramids that share corners with six equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 62°. All Ca–O bond lengths are 2.43 Å. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent CaO6 pentagonal pyramids and edges with two equivalent MgO6 octahedra. There are two shorter (2.06 Å) and four longer (2.13 Å) Mg–O bond lengths. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.30 Å) C–O bond length. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.30 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one Mg2+, and one C4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mg2+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mg2+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NdAl3(BO3)4 by Materials Project

NdAl3(BO3)4 is Calcite-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Nd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nd–O bond distances ranging from 2.39–2.43 Å. There are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.96 Å. In the second Al3+ site, Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.86–1.98 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.38–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Nd3+, one Al3+, and one B3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Nd3+, one Al3+, and one B3+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Nd3+, one Al3+, and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Al3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on AlBO3 by Materials Project

AlBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Al3+ is bonded to six equivalent O2- atoms to form corner-sharing AlO6 octahedra. The corner-sharing octahedral tilt angles are 53°. All Al–O bond lengths are 1.94 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. O2- is bonded in a trigonal planar geometry to two equivalent Al3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NaNO3 by Materials Project

NaNO3 is Calcite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 7-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–3.11 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form corner-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.34–2.52 Å. In the third Na1+ site, Na1+ is bonded to five O2- atoms to form corner-sharing NaO5 square pyramids. The corner-sharing octahedra tilt angles range from 63–66°. There are a spread of Na–O bond distances ranging from 2.42–2.46 Å. In the fourth Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with three equivalent NaO6 octahedra and corners with three equivalent NaO5 square pyramids. The corner-sharing octahedra tilt angles range from 64–66°. There are a spread of Na–O bond distances ranging from 2.44–2.50 Å. In the fifth Na1+ site, Na1+ is bonded to six O2- atoms to form corner-sharing NaO6 octahedra. The corner-sharing octahedra tilt angles range from 64–66°. There are a spread of Na–O bond distances ranging from 2.44–2.47 Å. In the sixth Na1+ site, Na1+ is bonded to six O2- atoms to form corner-sharing NaO6 octahedra. The corner-sharing octahedra tilt angles range from 64–66°. There are a spread of Na–O bond distances ranging from 2.44–2.49 Å. In the seventh Na1+ site, Na1+ is bonded to six O2- atoms to form corner-sharing NaO6 octahedra. The corner-sharing octahedra tilt angles range from 63–68°. There are a spread of Na–O bond distances ranging from 2.41–2.48 Å. In the eighth Na1+ site, Na1+ is bonded to six O2- atoms to form corner-sharing NaO6 octahedra. The corner-sharing octahedra tilt angles range from 63–68°. There are a spread of Na–O bond distances ranging from 2.26–2.49 Å. There are eight inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.26 Å) and two longer (1.27 Å) N–O bond length. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. In the third N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. In the fourth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. In the fifth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. In the sixth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. In the seventh N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. In the eighth N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. All N–O bond lengths are 1.27 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one N5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one N5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to three Na1+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the eighth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the ninth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the tenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the eleventh O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the thirteenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the fourteenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the fifteenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Na1+ and one N5+ atom. In the seventeenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the eighteenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the nineteenth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the twentieth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the twenty-first O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the twenty-second O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the twenty-third O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom. In the twenty-fourth O2- site, O2- is bonded in a trigonal planar geometry to two Na1+ and one N5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BaCO3 by Materials Project

BaCO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ba2+ is bonded to six equivalent O2- atoms to form corner-sharing BaO6 octahedra. The corner-sharing octahedral tilt angles are 62°. All Ba–O bond lengths are 2.73 Å. C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.31 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BaCO3 by Materials Project

BaCO3 is Calcite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to six O2- atoms to form distorted corner-sharing BaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ba–O bond distances ranging from 2.71–2.76 Å. In the second Ba2+ site, Ba2+ is bonded to six O2- atoms to form distorted corner-sharing BaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ba–O bond distances ranging from 2.70–2.77 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.30 Å) and one longer (1.31 Å) C–O bond length. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.30 Å) and one longer (1.31 Å) C–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one C4+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KNO3 by Materials Project

KNO3 is Calcite-like structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. K1+ is bonded to six equivalent O2- atoms to form distorted corner-sharing KO6 octahedra. The corner-sharing octahedral tilt angles are 67°. All K–O bond lengths are 2.78 Å. N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.27 Å. O2- is bonded in a trigonal planar geometry to two equivalent K1+ and one N5+ atom.

36 MATERIALS SCIENCE↗