Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ba”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 865 records · Page 48
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ba3(LiSn2)4 by Materials Project

Ba3Li4Sn8 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Li sites. In the first Li site, Li is bonded in a 5-coordinate geometry to two equivalent Ba and five Sn atoms. Both Li–Ba bond lengths are 3.71 Å. There are a spread of Li–Sn bond distances ranging from 2.91–2.99 Å. In the second Li site, Li is bonded in a 4-coordinate geometry to four Sn atoms. There are two shorter (2.80 Å) and two longer (2.88 Å) Li–Sn bond lengths. There are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a 1-coordinate geometry to two equivalent Li and ten Sn atoms. There are a spread of Ba–Sn bond distances ranging from 3.58–3.88 Å. In the second Ba site, Ba is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Ba–Sn bond distances ranging from 3.63–3.77 Å. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 2-coordinate geometry to two equivalent Li and four Ba atoms. In the second Sn site, Sn is bonded in a 9-coordinate geometry to three Li and four Ba atoms. In the third Sn site, Sn is bonded in a 2-coordinate geometry to two equivalent Li and three Ba atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba5In4Bi5 by Materials Project

Ba5In4Bi5 crystallizes in the tetragonal P4nc space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a 5-coordinate geometry to four equivalent In and five Bi atoms. All Ba–In bond lengths are 3.72 Å. All Ba–Bi bond lengths are 3.54 Å. In the second Ba site, Ba is bonded in a 5-coordinate geometry to four equivalent In and six Bi atoms. There are a spread of Ba–In bond distances ranging from 3.77–4.15 Å. There are a spread of Ba–Bi bond distances ranging from 3.58–4.25 Å. In is bonded in a 1-coordinate geometry to five Ba, two equivalent In, and three Bi atoms. Both In–In bond lengths are 3.02 Å. There are a spread of In–Bi bond distances ranging from 2.96–3.40 Å. There are two inequivalent Bi sites. In the first Bi site, Bi is bonded in a 9-coordinate geometry to five Ba and four equivalent In atoms. In the second Bi site, Bi is bonded in a 7-coordinate geometry to six Ba and two equivalent In atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba10Ta10(N3O7)3 by Materials Project

Ba10Ta10(N3O7)3 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to two equivalent N3- and ten O2- atoms to form BaN2O10 cuboctahedra that share corners with twelve BaN2O10 cuboctahedra, faces with six BaN2O10 cuboctahedra, and faces with eight TaNO5 octahedra. Both Ba–N bond lengths are 2.88 Å. There are a spread of Ba–O bond distances ranging from 2.89–2.96 Å. In the second Ba2+ site, Ba2+ is bonded to four equivalent N3- and eight O2- atoms to form BaN4O8 cuboctahedra that share corners with twelve BaN2O10 cuboctahedra, faces with six BaN2O10 cuboctahedra, and faces with eight TaNO5 octahedra. All Ba–N bond lengths are 2.92 Å. There are a spread of Ba–O bond distances ranging from 2.92–2.97 Å. In the third Ba2+ site, Ba2+ is bonded to four equivalent N3- and eight O2- atoms to form BaN4O8 cuboctahedra that share corners with twelve BaN4O8 cuboctahedra, faces with six BaN4O8 cuboctahedra, and faces with eight equivalent TaN2O4 octahedra. All Ba–N bond lengths are 2.92 Å. There are four shorter (2.93 Å) and four longer (2.94 Å) Ba–O bond lengths. In the fourth Ba2+ site, Ba2+ is bonded to four N3- and eight O2- atoms to form BaN4O8 cuboctahedra that share corners with twelve BaN2O10 cuboctahedra, faces with six BaN2O10 cuboctahedra, and faces with eight TaN2O4 octahedra. There are two shorter (2.92 Å) and two longer (2.94 Å) Ba–N bond lengths. There are six shorter (2.92 Å) and two longer (2.94 Å) Ba–O bond lengths. In the fifth Ba2+ site, Ba2+ is bonded to four N3- and eight O2- atoms to form BaN4O8 cuboctahedra that share corners with twelve BaN4O8 cuboctahedra, faces with six BaN4O8 cuboctahedra, and faces with eight TaN2O4 octahedra. All Ba–N bond lengths are 2.93 Å. There are four shorter (2.92 Å) and four longer (2.93 Å) Ba–O bond lengths. In the sixth Ba2+ site, Ba2+ is bonded to four equivalent N3- and eight O2- atoms to form BaN4O8 cuboctahedra that share corners with twelve BaN4O8 cuboctahedra, faces with six BaN4O8 cuboctahedra, and faces with eight equivalent TaN2O4 octahedra. All Ba–N bond lengths are 2.93 Å. There are four shorter (2.92 Å) and four longer (2.93 Å) Ba–O bond lengths. There are five inequivalent Ta+4.90+ sites. In the first Ta+4.90+ site, Ta+4.90+ is bonded to one N3- and five O2- atoms to form TaNO5 octahedra that share corners with six TaNO5 octahedra and faces with eight BaN2O10 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–9°. The Ta–N bond length is 1.92 Å. There are four shorter (2.07 Å) and one longer (2.21 Å) Ta–O bond lengths. In the second Ta+4.90+ site, Ta+4.90+ is bonded to two N3- and four O2- atoms to form TaN2O4 octahedra that share corners with six TaNO5 octahedra and faces with eight BaN4O8 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are one shorter (2.03 Å) and one longer (2.17 Å) Ta–N bond lengths. All Ta–O bond lengths are 2.07 Å. In the third Ta+4.90+ site, Ta+4.90+ is bonded to two equivalent N3- and four O2- atoms to form TaN2O4 octahedra that share corners with six TaN2O4 octahedra and faces with eight BaN4O8 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. Both Ta–N bond lengths are 2.07 Å. There are three shorter (2.07 Å) and one longer (2.08 Å) Ta–O bond lengths. In the fourth Ta+4.90+ site, Ta+4.90+ is bonded to two equivalent N3- and four O2- atoms to form TaN2O4 octahedra that share corners with six TaNO5 octahedra and faces with eight BaN2O10 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. Both Ta–N bond lengths are 2.07 Å. There are a spread of Ta–O bond distances ranging from 2.04–2.09 Å. In the fifth Ta+4.90+ site, Ta+4.90+ is bonded to two equivalent N3- and four O2- atoms to form TaN2O4 octahedra that share corners with six TaN2O4 octahedra and faces with eight BaN4O8 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. Both Ta–N bond lengths are 2.07 Å. There are three shorter (2.07 Å) and one longer (2.08 Å) Ta–O bond lengths. There are five inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Ta+4.90+ atoms. In the second N3- site, N3- is bonded in a distorted linear geometry to four equivalent Ba2+ and two Ta+4.90+ atoms. In the third N3- site, N3- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the fourth N3- site, N3- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the fifth N3- site, N3- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the third O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two Ta+4.90+ atoms. In the seventh O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms. In the eighth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two Ta+4.90+ atoms. In the ninth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two Ta+4.90+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Ta+4.90+ atoms. In the eleventh O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Ta+4.90+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3GeI2 by Materials Project

Ba3GeI2 is Caswellsilverite-like structured and crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to two equivalent Ge and four I atoms to form a mixture of corner and edge-sharing BaGe2I4 octahedra. The corner-sharing octahedra tilt angles range from 4–8°. Both Ba–Ge bond lengths are 3.30 Å. There are two shorter (3.59 Å) and two longer (3.77 Å) Ba–I bond lengths. In the second Ba site, Ba is bonded to two equivalent Ge and four I atoms to form a mixture of corner and edge-sharing BaGe2I4 octahedra. The corner-sharing octahedra tilt angles range from 6–12°. There are one shorter (3.29 Å) and one longer (3.31 Å) Ba–Ge bond lengths. There are a spread of Ba–I bond distances ranging from 3.66–3.86 Å. Ge is bonded to six Ba atoms to form GeBa6 octahedra that share corners with six IBa6 octahedra, edges with three equivalent GeBa6 octahedra, and edges with nine IBa6 octahedra. The corner-sharing octahedra tilt angles range from 9–12°. There are two inequivalent I sites. In the first I site, I is bonded to six Ba atoms to form IBa6 octahedra that share corners with two equivalent IBa6 octahedra, corners with four equivalent GeBa6 octahedra, edges with four equivalent GeBa6 octahedra, and edges with eight IBa6 octahedra. The corner-sharing octahedra tilt angles range from 11–12°. In the second I site, I is bonded to six Ba atoms to form IBa6 octahedra that share corners with two equivalent GeBa6 octahedra, corners with four IBa6 octahedra, edges with five equivalent GeBa6 octahedra, and edges with seven IBa6 octahedra. The corner-sharing octahedra tilt angles range from 9–13°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba14Na14LiN6 by Materials Project

Na14LiBa14N6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a 12-coordinate geometry to six Na and six Ba atoms. There are three shorter (3.65 Å) and three longer (4.00 Å) Na–Na bond lengths. All Na–Ba bond lengths are 4.39 Å. In the second Na site, Na is bonded in a 12-coordinate geometry to four equivalent Na and four equivalent Ba atoms. All Na–Ba bond lengths are 4.15 Å. Li is bonded in an octahedral geometry to six equivalent N atoms. All Li–N bond lengths are 2.62 Å. There are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a distorted T-shaped geometry to six Na and three equivalent N atoms. All Ba–N bond lengths are 2.73 Å. In the second Ba site, Ba is bonded in a single-bond geometry to four equivalent Na and one N atom. The Ba–N bond length is 2.51 Å. N is bonded in a 6-coordinate geometry to one Li and five Ba atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba14Na14CaN6 by Materials Project

Na14Ba14CaN6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a 12-coordinate geometry to four equivalent Na and four equivalent Ba atoms. All Na–Na bond lengths are 3.65 Å. All Na–Ba bond lengths are 4.09 Å. In the second Na site, Na is bonded in a 12-coordinate geometry to six Na and six Ba atoms. All Na–Na bond lengths are 3.99 Å. There are three shorter (4.28 Å) and three longer (4.39 Å) Na–Ba bond lengths. There are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a 3-coordinate geometry to six Na and three equivalent N atoms. All Ba–N bond lengths are 2.79 Å. In the second Ba site, Ba is bonded in a single-bond geometry to four equivalent Na and one N atom. The Ba–N bond length is 2.53 Å. Ca is bonded in an octahedral geometry to six equivalent N atoms. All Ca–N bond lengths are 2.59 Å. N is bonded to five Ba and one Ca atom to form a mixture of distorted corner and face-sharing NBa5Ca octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3Ce2C5O15F2 by Materials Project

Ba3Ce2(CO3)5F2 crystallizes in the monoclinic P2 space group. The structure is three-dimensional. there are eight inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to seven O2- and three F1- atoms. There are a spread of Ba–O bond distances ranging from 2.70–3.08 Å. There are a spread of Ba–F bond distances ranging from 2.74–3.02 Å. In the second Ba2+ site, Ba2+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.19 Å. In the third Ba2+ site, Ba2+ is bonded in a 1-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.67–3.30 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to seven O2- and three F1- atoms. There are a spread of Ba–O bond distances ranging from 2.82–2.99 Å. There are a spread of Ba–F bond distances ranging from 2.71–3.15 Å. In the fifth Ba2+ site, Ba2+ is bonded to six O2- and six F1- atoms to form edge-sharing BaO6F6 cuboctahedra. There are four shorter (2.95 Å) and two longer (3.01 Å) Ba–O bond lengths. There are a spread of Ba–F bond distances ranging from 2.99–3.25 Å. In the sixth Ba2+ site, Ba2+ is bonded to six O2- and six F1- atoms to form edge-sharing BaO6F6 cuboctahedra. There are a spread of Ba–O bond distances ranging from 3.00–3.17 Å. There are a spread of Ba–F bond distances ranging from 2.93–3.18 Å. In the seventh Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form edge-sharing BaO12 cuboctahedra. There are a spread of Ba–O bond distances ranging from 2.88–3.24 Å. In the eighth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form edge-sharing BaO12 cuboctahedra. There are a spread of Ba–O bond distances ranging from 2.96–3.14 Å. There are four inequivalent Ce3+ sites. In the first Ce3+ site, Ce3+ is bonded in a 10-coordinate geometry to nine O2- and one F1- atom. There are a spread of Ce–O bond distances ranging from 2.48–2.86 Å. The Ce–F bond length is 2.44 Å. In the second Ce3+ site, Ce3+ is bonded in a 10-coordinate geometry to nine O2- and one F1- atom. There are a spread of Ce–O bond distances ranging from 2.53–2.80 Å. The Ce–F bond length is 2.48 Å. In the third Ce3+ site, Ce3+ is bonded in a 10-coordinate geometry to nine O2- and one F1- atom. There are a spread of Ce–O bond distances ranging from 2.46–2.77 Å. The Ce–F bond length is 2.38 Å. In the fourth Ce3+ site, Ce3+ is bonded in a 10-coordinate geometry to nine O2- and one F1- atom. There are a spread of Ce–O bond distances ranging from 2.49–2.76 Å. The Ce–F bond length is 2.48 Å. There are ten inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. 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. In the third 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 fourth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.31 Å) C–O bond length. In the fifth 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 sixth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.29–1.31 Å. In the seventh C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. In the eighth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.29–1.31 Å. In the ninth 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 tenth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.29–1.31 Å. There are thirty inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ce3+, and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two equivalent Ce3+, and one C4+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Ba2+, two equivalent Ce3+, and one C4+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one C4+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two equivalent Ce3+, and one C4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ce3+, and one C4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the sixteenth O2- site, O2- is bonded in a single-bond geometry to one Ba2+, two equivalent Ce3+, and one C4+ atom. In the seventeenth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+, one Ce3+, and one C4+ atom. In the eighteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ce3+, and one C4+ atom. In the nineteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twentieth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twenty-first O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twenty-second O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twenty-third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+, one Ce3+, and one C4+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one C4+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ce3+, and one C4+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+, one Ce3+, and one C4+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twenty-eighth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the twenty-ninth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ce3+, and one C4+ atom. In the thirtieth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ba2+, one Ce3+, and one C4+ atom. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a 4-coordinate geometry to three Ba2+ and one Ce3+ atom. In the second F1- site, F1- is bonded in a 4-coordinate geometry to three Ba2+ and one Ce3+ atom. In the third F1- site, F1- is bonded in a 1-coordinate geometry to three Ba2+ and one Ce3+ atom. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to three Ba2+ and one Ce3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KBa6Zn4(GaO3)7 by Materials Project

KBa6Zn4(GaO3)7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.87–2.97 Å. In the second K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.89–2.97 Å. There are twelve inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to six O2- atoms to form distorted BaO6 octahedra that share corners with two BaO6 octahedra, corners with two ZnO4 tetrahedra, corners with seven GaO4 tetrahedra, and an edgeedge with one ZnO4 tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Ba–O bond distances ranging from 2.64–2.83 Å. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.57–2.87 Å. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.58–2.87 Å. In the fourth Ba2+ site, Ba2+ is bonded to six O2- atoms to form distorted BaO6 octahedra that share corners with two BaO6 octahedra, corners with two ZnO4 tetrahedra, corners with seven GaO4 tetrahedra, and an edgeedge with one ZnO4 tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Ba–O bond distances ranging from 2.65–2.82 Å. In the fifth Ba2+ site, Ba2+ is bonded to six O2- atoms to form BaO6 octahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, corners with six GaO4 tetrahedra, and an edgeedge with one ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 74–76°. There are a spread of Ba–O bond distances ranging from 2.64–2.82 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.56–2.86 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.61–2.85 Å. In the eighth Ba2+ site, Ba2+ is bonded to six O2- atoms to form BaO6 octahedra that share corners with two BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, corners with eight GaO4 tetrahedra, and an edgeedge with one ZnO4 tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Ba–O bond distances ranging from 2.65–2.79 Å. In the ninth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.59–2.83 Å. In the tenth Ba2+ site, Ba2+ is bonded to six O2- atoms to form distorted BaO6 octahedra that share corners with two BaO6 octahedra, corners with two ZnO4 tetrahedra, corners with seven GaO4 tetrahedra, and an edgeedge with one ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 73–76°. There are a spread of Ba–O bond distances ranging from 2.62–2.83 Å. In the eleventh Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.57–2.83 Å. In the twelfth Ba2+ site, Ba2+ is bonded to six O2- atoms to form distorted BaO6 octahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, corners with six GaO4 tetrahedra, and an edgeedge with one GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 73–74°. There are a spread of Ba–O bond distances ranging from 2.69–2.79 Å. There are eight inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with three BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, and corners with four GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 70–84°. There are a spread of Zn–O bond distances ranging from 1.96–2.09 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share a cornercorner with one BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, corners with four GaO4 tetrahedra, and an edgeedge with one BaO6 octahedra. The corner-sharing octahedral tilt angles are 74°. There are a spread of Zn–O bond distances ranging from 1.97–2.10 Å. In the third Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share a cornercorner with one BaO6 octahedra, corners with five GaO4 tetrahedra, and an edgeedge with one BaO6 octahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Zn–O bond distances ranging from 1.96–2.08 Å. In the fourth Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with three BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, and corners with four GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 70–81°. There are a spread of Zn–O bond distances ranging from 1.98–2.02 Å. In the fifth Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share a cornercorner with one BaO6 octahedra, corners with five GaO4 tetrahedra, and an edgeedge with one BaO6 octahedra. The corner-sharing octahedral tilt angles are 74°. There are a spread of Zn–O bond distances ranging from 1.96–2.06 Å. In the sixth Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share a cornercorner with one BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, corners with four GaO4 tetrahedra, and an edgeedge with one BaO6 octahedra. The corner-sharing octahedral tilt angles are 75°. There are a spread of Zn–O bond distances ranging from 1.97–2.09 Å. In the seventh Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share a cornercorner with one BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, corners with four GaO4 tetrahedra, and an edgeedge with one BaO6 octahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Zn–O bond distances ranging from 1.98–2.06 Å. In the eighth Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with two BaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, and corners with five GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 70–71°. There are a spread of Zn–O bond distances ranging from 1.97–2.02 Å. There are fourteen inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 64–66°. There are a spread of Ga–O bond distances ranging from 1.85–1.94 Å. In the second Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 65–67°. There are a spread of Ga–O bond distances ranging from 1.85–1.94 Å. In the third Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three BaO6 octahedra and corners with three ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–44°. There is three shorter (1.86 Å) and one longer (1.95 Å) Ga–O bond length. In the fourth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with six BaO6 octahedra, a cornercorner with one GaO4 tetrahedra, and corners with two ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 60–70°. There are a spread of Ga–O bond distances ranging from 1.86–1.93 Å. In the fifth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–69°. There are a spread of Ga–O bond distances ranging from 1.85–1.94 Å. In the sixth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three BaO6 octahedra, corners with two ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 69–81°. There are a spread of Ga–O bond distances ranging from 1.86–1.91 Å. In the seventh Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three BaO6 octahedra, corners with two ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 69–81°. There are a spread of Ga–O bond distances ranging from 1.86–1.91 Å. In the eighth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 68–69°. There are a spread of Ga–O bond distances ranging from 1.85–1.92 Å. In the ninth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with two BaO6 octahedra, corners with three ZnO4 tetrahedra, and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 67–69°. There are a spread of Ga–O bond distances ranging from 1.85–1.92 Å. In the tenth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three BaO6 octahedra, a cornercorner with one GaO4 tetrahedra, and corners with two ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 42–46°. There are a spread of Ga–O bond distances ranging from 1.84–1.94 Å. In the eleventh Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three BaO6 octahedra, corners with two GaO4 tetrahedra, and corners with three ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 70–82°. There are a spread of Ga–O bond distances ranging from 1.87–1.90 Å. In the twelfth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three BaO6 octahedra, corners with two GaO4 tetrahedra, and corners with three ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 66–79°. There are a spread of Ga–O bond distances ranging from 1.85–1.92 Å. In the thirteenth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share a cornercorner with one BaO6 octahedra, corners with two GaO4 tetrahedra, corners with three ZnO4 tetrahedra, and an edgeedge with one BaO6 octahedra. The corner-sharing octahedral tilt angles are 70°. There are a spread of Ga–O bond distances ranging from 1.86–1.91 Å. In the fourteenth Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with six BaO6 octahedra and corners with three GaO4 tetrahedra. The corner-sharing octahedra tilt angles range from 62–67°. There are a spread of Ga–O bond distances ranging from 1.85–1.90 Å. There are forty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+ and two Ga3+ atoms. In the second O2- site, O2- is bonded to two Ba2+, one Zn2+, and one Ga3+ atom to form distorted OBa2ZnGa tetrahedra that share corners with five OBa3Ga tetrahedra and a cornercorner with one OKBa3Ga trigonal bipyramid. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Zn2+, and two Ga3+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to one K1+, two Ba2+, and two Zn2+ atoms. In the fifth O2- site, O2- is bonded to two Ba2+, one Zn2+, and one Ga3+ atom to form distorted OBa2ZnGa tetrahedra that share corners with six OBa3Ga tetrahedra and a cornercorner with one OKBa3Ga trigonal bipyramid. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, one Zn2+, and one Ga3+ atom. In the seventh O2- sit

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba4(PtO3)3 by Materials Project

Ba4(PtO3)3 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 2-coordinate geometry to seven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.57–2.99 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.02 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.36 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.35 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.08 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.31 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.67–2.88 Å. In the eighth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.41 Å. In the ninth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.85–3.12 Å. In the tenth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.61–3.06 Å. In the eleventh Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–2.95 Å. In the twelfth Ba2+ site, Ba2+ is bonded in a 2-coordinate geometry to seven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.58–3.03 Å. There are nine inequivalent Pt+3.33+ sites. In the first Pt+3.33+ site, Pt+3.33+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Pt–O bond distances ranging from 2.06–2.08 Å. In the second Pt+3.33+ site, Pt+3.33+ is bonded to six O2- atoms to form face-sharing PtO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.03–2.14 Å. In the third Pt+3.33+ site, Pt+3.33+ is bonded to six O2- atoms to form face-sharing PtO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.05–2.12 Å. In the fourth Pt+3.33+ site, Pt+3.33+ is bonded to six O2- atoms to form face-sharing PtO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.03–2.19 Å. In the fifth Pt+3.33+ site, Pt+3.33+ is bonded to six O2- atoms to form face-sharing PtO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.01–2.16 Å. In the sixth Pt+3.33+ site, Pt+3.33+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Pt–O bond distances ranging from 2.06–2.09 Å. In the seventh Pt+3.33+ site, Pt+3.33+ is bonded to six O2- atoms to form face-sharing PtO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.04–2.15 Å. In the eighth Pt+3.33+ site, Pt+3.33+ is bonded to six O2- atoms to form face-sharing PtO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.01–2.16 Å. In the ninth Pt+3.33+ site, Pt+3.33+ is bonded in a square co-planar geometry to four O2- atoms. There are two shorter (2.07 Å) and two longer (2.09 Å) Pt–O bond lengths. There are twenty-seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the second O2- site, O2- is bonded to four Ba2+ and one Pt+3.33+ atom to form distorted OBa4Pt square pyramids that share corners with five OBa4Pt2 octahedra, corners with four OBa4Pt square pyramids, and a faceface with one OBa4Pt2 octahedra. The corner-sharing octahedra tilt angles range from 9–55°. In the third O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Pt+3.33+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Pt+3.33+ atoms. In the fifth O2- site, O2- is bonded to four Ba2+ and two Pt+3.33+ atoms to form distorted OBa4Pt2 octahedra that share corners with two equivalent OBa4Pt2 octahedra, corners with three OBa4Pt square pyramids, an edgeedge with one OBa4Pt square pyramid, and faces with two OBa4Pt2 octahedra. The corner-sharing octahedra tilt angles range from 27–36°. In the sixth O2- site, O2- is bonded to four Ba2+ and two Pt+3.33+ atoms to form distorted OBa4Pt2 octahedra that share corners with two equivalent OBa4Pt2 octahedra, corners with three OBa4Pt square pyramids, faces with two OBa4Pt2 octahedra, and faces with two OBa4Pt square pyramids. The corner-sharing octahedra tilt angles range from 36–40°. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the ninth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the eleventh O2- site, O2- is bonded to four Ba2+ and one Pt+3.33+ atom to form distorted OBa4Pt square pyramids that share corners with three OBa4Pt2 octahedra, corners with three OBa4Pt square pyramids, an edgeedge with one OBa4Pt2 octahedra, and faces with two OBa4Pt2 octahedra. The corner-sharing octahedra tilt angles range from 11–59°. In the twelfth O2- site, O2- is bonded to four Ba2+ and one Pt+3.33+ atom to form distorted OBa4Pt square pyramids that share corners with five OBa4Pt2 octahedra, corners with four OBa4Pt square pyramids, and a faceface with one OBa4Pt2 octahedra. The corner-sharing octahedra tilt angles range from 10–63°. In the thirteenth O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and one Pt+3.33+ atom. In the fourteenth O2- site, O2- is bonded to four Ba2+ and two Pt+3.33+ atoms to form distorted OBa4Pt2 octahedra that share corners with two equivalent OBa4Pt2 octahedra, corners with two OBa4Pt square pyramids, faces with two OBa4Pt2 octahedra, and a faceface with one OBa4Pt square pyramid. The corner-sharing octahedra tilt angles range from 33–41°. In the fifteenth O2- site, O2- is bonded in a 3-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the sixteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the seventeenth O2- site, O2- is bonded to four Ba2+ and two Pt+3.33+ atoms to form distorted OBa4Pt2 octahedra that share corners with two equivalent OBa4Pt2 octahedra, corners with three OBa4Pt square pyramids, faces with two OBa4Pt2 octahedra, and a faceface with one OBa4Pt square pyramid. The corner-sharing octahedra tilt angles range from 33–41°. In the eighteenth O2- site, O2- is bonded to four Ba2+ and two Pt+3.33+ atoms to form distorted OBa4Pt2 octahedra that share corners with two equivalent OBa4Pt2 octahedra, corners with three OBa4Pt square pyramids, an edgeedge with one OBa4Pt square pyramid, faces with two OBa4Pt2 octahedra, and a faceface with one OBa4Pt square pyramid. The corner-sharing octahedra tilt angles range from 36–40°. In the nineteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the twentieth O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the twenty-first O2- site, O2- is bonded to four Ba2+ and one Pt+3.33+ atom to form distorted OBa4Pt square pyramids that share corners with three OBa4Pt2 octahedra, corners with three OBa4Pt square pyramids, an edgeedge with one OBa4Pt2 octahedra, and faces with two OBa4Pt2 octahedra. The corner-sharing octahedra tilt angles range from 11–59°. In the twenty-second O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and one Pt+3.33+ atom. In the twenty-third O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Pt+3.33+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to three Ba2+ and two Pt+3.33+ atoms. In the twenty-fifth O2- site, O2- is bonded to four Ba2+ and two Pt+3.33+ atoms to form distorted OBa4Pt2 octahedra that share corners with two equivalent OBa4Pt2 octahedra, corners with two OBa4Pt square pyramids, faces with two OBa4Pt2 octahedra, and a faceface with one OBa4Pt square pyramid. The corner-sharing octahedra tilt angles range from 27–36°. In the twenty-sixth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Pt+3.33+ atoms. In the twenty-seventh O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Pt+3.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3(BrO)2 by Materials Project

Ba3(OBr)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to two O2- and three Br1- atoms. There are one shorter (2.47 Å) and one longer (2.49 Å) Ba–O bond lengths. There are a spread of Ba–Br bond distances ranging from 3.30–3.53 Å. In the second Ba2+ site, Ba2+ is bonded in a 3-coordinate geometry to three O2- and three Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.56–2.74 Å. There are a spread of Ba–Br bond distances ranging from 3.46–3.82 Å. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.55–2.66 Å. There are a spread of Ba–Br bond distances ranging from 3.43–3.70 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 3-coordinate geometry to three O2- and three Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.53–2.69 Å. There are a spread of Ba–Br bond distances ranging from 3.50–3.89 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 2-coordinate geometry to two O2- and five Br1- atoms. There are one shorter (2.53 Å) and one longer (2.55 Å) Ba–O bond lengths. There are a spread of Ba–Br bond distances ranging from 3.41–3.84 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.51–2.66 Å. There are one shorter (3.41 Å) and two longer (3.50 Å) Ba–Br bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of distorted corner and edge-sharing OBa4 tetrahedra. In the second O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. In the third O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. In the fourth O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the second Br1- site, Br1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the third Br1- site, Br1- is bonded in a distorted pentagonal planar geometry to five Ba2+ atoms. In the fourth Br1- site, Br1- is bonded in a 5-coordinate geometry to five Ba2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3(ClO)2 by Materials Project

Ba3(OCl)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to two O2- and three Cl1- atoms. There are one shorter (2.47 Å) and one longer (2.49 Å) Ba–O bond lengths. There are a spread of Ba–Cl bond distances ranging from 3.16–3.61 Å. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.55–2.69 Å. There are a spread of Ba–Cl bond distances ranging from 3.38–3.78 Å. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.52–2.65 Å. There are a spread of Ba–Cl bond distances ranging from 3.32–3.55 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 3-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.52–2.64 Å. There are a spread of Ba–Cl bond distances ranging from 3.42–3.87 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 2-coordinate geometry to two O2- and four Cl1- atoms. There are one shorter (2.51 Å) and one longer (2.54 Å) Ba–O bond lengths. There are a spread of Ba–Cl bond distances ranging from 3.26–3.56 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to three O2- and three Cl1- atoms. There are a spread of Ba–O bond distances ranging from 2.50–2.65 Å. There are a spread of Ba–Cl bond distances ranging from 3.27–3.41 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of distorted corner and edge-sharing OBa4 tetrahedra. In the second O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. In the third O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. In the fourth O2- site, O2- is bonded to four Ba2+ atoms to form a mixture of corner and edge-sharing OBa4 tetrahedra. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the third Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Ba2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3Er by Materials Project

Ba3Er is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to eight Ba and four equivalent Er atoms to form BaBa8Er4 cuboctahedra that share corners with twelve equivalent BaBa8Er4 cuboctahedra, edges with eight equivalent ErBa12 cuboctahedra, edges with sixteen BaBa8Er4 cuboctahedra, faces with four equivalent ErBa12 cuboctahedra, and faces with fourteen BaBa8Er4 cuboctahedra. There are four shorter (4.15 Å) and four longer (4.16 Å) Ba–Ba bond lengths. All Ba–Er bond lengths are 4.16 Å. In the second Ba site, Ba is bonded to eight equivalent Ba and four equivalent Er atoms to form BaBa8Er4 cuboctahedra that share corners with four equivalent BaBa8Er4 cuboctahedra, corners with eight equivalent ErBa12 cuboctahedra, edges with twenty-four BaBa8Er4 cuboctahedra, faces with six equivalent ErBa12 cuboctahedra, and faces with twelve BaBa8Er4 cuboctahedra. All Ba–Er bond lengths are 4.15 Å. Er is bonded to twelve Ba atoms to form ErBa12 cuboctahedra that share corners with four equivalent ErBa12 cuboctahedra, corners with eight equivalent BaBa8Er4 cuboctahedra, edges with eight equivalent ErBa12 cuboctahedra, edges with sixteen equivalent BaBa8Er4 cuboctahedra, faces with four equivalent ErBa12 cuboctahedra, and faces with fourteen BaBa8Er4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba2Si3Ag by Materials Project

Ba2AgSi3 is hexagonal omega structure-derived structured and crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to four equivalent Ag and eight Si atoms to form a mixture of edge and face-sharing BaSi8Ag4 cuboctahedra. There are two shorter (3.53 Å) and two longer (3.54 Å) Ba–Ag bond lengths. There are a spread of Ba–Si bond distances ranging from 3.52–3.61 Å. In the second Ba site, Ba is bonded to two equivalent Ag and ten Si atoms to form a mixture of edge and face-sharing BaSi10Ag2 cuboctahedra. Both Ba–Ag bond lengths are 3.54 Å. There are a spread of Ba–Si bond distances ranging from 3.40–3.63 Å. Ag is bonded in a 9-coordinate geometry to six Ba and three Si atoms. There are one shorter (2.60 Å) and two longer (2.61 Å) Ag–Si bond lengths. There are two inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to six Ba, one Ag, and two Si atoms. There are one shorter (2.39 Å) and one longer (2.40 Å) Si–Si bond lengths. In the second Si site, Si is bonded in a 9-coordinate geometry to six Ba, one Ag, and two equivalent Si atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba7Sr(CuO3)8 by Materials Project

Ba7Sr(CuO3)8 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. there are three inequivalent Ba sites. In the first Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with eight equivalent CuO6 octahedra. There are eight shorter (2.83 Å) and four longer (2.89 Å) Ba–O bond lengths. In the second Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, and faces with eight equivalent CuO6 octahedra. There are four shorter (2.82 Å) and eight longer (2.83 Å) Ba–O bond lengths. In the third Ba site, Ba is bonded to twelve equivalent O atoms to form BaO12 cuboctahedra that share corners with twelve equivalent BaO12 cuboctahedra, faces with six equivalent BaO12 cuboctahedra, and faces with eight equivalent CuO6 octahedra. All Ba–O bond lengths are 2.83 Å. Sr is bonded to twelve equivalent O atoms to form SrO12 cuboctahedra that share corners with twelve equivalent BaO12 cuboctahedra, faces with six equivalent BaO12 cuboctahedra, and faces with eight equivalent CuO6 octahedra. All Sr–O bond lengths are 2.77 Å. Cu is bonded to six O atoms to form CuO6 octahedra that share corners with six equivalent CuO6 octahedra, a faceface with one SrO12 cuboctahedra, and faces with seven BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. All Cu–O bond lengths are 2.00 Å. There are two inequivalent O sites. In the first O site, O is bonded to four Ba and two equivalent Cu atoms to form a mixture of distorted face, edge, and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the second O site, O is bonded to three Ba, one Sr, and two equivalent Cu atoms to form distorted OBa3SrCu2 octahedra that share corners with twenty-two OBa4Cu2 octahedra, edges with four equivalent OBa3SrCu2 octahedra, and faces with eight OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3Sr5Co3(CuO4)5 by Materials Project

Ba3Sr5Co3(CuO4)5 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.75–3.10 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–2.93 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–2.92 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–2.93 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.03 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.69–2.98 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.01 Å. In the eighth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–2.92 Å. In the ninth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–2.96 Å. In the tenth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–2.95 Å. In the eleventh Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–2.95 Å. In the twelfth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.20 Å. There are twenty inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–3.22 Å. In the second Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.57–2.95 Å. In the third Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.03 Å. In the fourth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–3.10 Å. In the fifth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.00 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.99 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–3.08 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.25 Å. In the ninth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.90 Å. In the tenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–3.04 Å. In the eleventh Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–3.07 Å. In the twelfth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–3.05 Å. In the thirteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–3.07 Å. In the fourteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.16 Å. In the fifteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–3.01 Å. In the sixteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–3.23 Å. In the seventeenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–3.06 Å. In the eighteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–3.26 Å. In the nineteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.87 Å. In the twentieth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–3.05 Å. There are twelve inequivalent Co4+ sites. In the first Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO6 octahedra, a cornercorner with one CuO6 octahedra, corners with two CoO5 square pyramids, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of Co–O bond distances ranging from 1.83–2.35 Å. In the second Co4+ site, Co4+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share a cornercorner with one CoO6 octahedra, a cornercorner with one CuO6 octahedra, corners with two CoO5 square pyramids, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of Co–O bond distances ranging from 1.82–2.27 Å. In the third Co4+ site, Co4+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share a cornercorner with one CoO6 octahedra, a cornercorner with one CuO6 octahedra, corners with two CoO5 square pyramids, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Co–O bond distances ranging from 1.83–2.20 Å. In the fourth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CuO6 octahedra, corners with three CoO6 octahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–7°. There are a spread of Co–O bond distances ranging from 1.88–2.19 Å. In the fifth Co4+ site, Co4+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share a cornercorner with one CoO6 octahedra, a cornercorner with one CuO6 octahedra, corners with two CoO5 square pyramids, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–10°. There are a spread of Co–O bond distances ranging from 1.83–2.19 Å. In the sixth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CuO6 octahedra, corners with three CoO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–8°. There are a spread of Co–O bond distances ranging from 1.86–2.28 Å. In the seventh Co4+ site, Co4+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share a cornercorner with one CoO6 octahedra, corners with three CoO5 square pyramids, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 8°. There are a spread of Co–O bond distances ranging from 1.83–2.15 Å. In the eighth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CuO6 octahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 5–6°. There are a spread of Co–O bond distances ranging from 1.87–2.19 Å. In the ninth Co4+ site, Co4+ is bonded to five O2- atoms to form CoO5 square pyramids that share a cornercorner with one CoO6 octahedra, corners with three CoO5 square pyramids, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Co–O bond distances ranging from 1.83–2.15 Å. In the tenth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CuO6 octahedra, and corners with two CuO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 5–8°. There are a spread of Co–O bond distances ranging from 1.86–2.19 Å. In the eleventh Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO6 octahedra, corners with three CoO5 square pyramids, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 4°. There are a spread of Co–O bond distances ranging from 1.80–2.38 Å. In the twelfth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CuO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–7°. There are a spread of Co–O bond distances ranging from 1.88–2.31 Å. There are twenty inequivalent Cu+2.40+ sites. In the first Cu+2.40+ site, Cu+2.40+ is bonded to six O2- atoms to form CuO6 octahedra that share a cornercorner with one CuO6 octahedra, corners with three CoO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 5–8°. There are a spread of Cu–O bond distances ranging from 1.96–2.36 Å. In the second Cu+2.40+ site, Cu+2.40+ is bonded to six O2- atoms to form CuO6 octahedra that share a cornercorner with one CuO6 octahedra, corners with three CoO6 octahedra, and corners with two CuO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–7°. There are a spread of Cu–O bond distances ranging from 2.01–2.14 Å. In the third Cu+2.40+ site, Cu+2.40+ is bonded to six O2- atoms to form distorted CuO6 octahedra that share a cornercorner with one CoO6 octahedra, corners with three CoO5 square pyramids, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 2°. There are a spread of Cu–O bond distances ranging from 1.95–2.60 Å. In the fourth Cu+2.40+ site, Cu+2.40+ is bonded to six O2- atoms to form CuO6 octahedra that share corners with two CoO6 octahedra, corners with two CuO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Cu–O bond distances ranging from 1.96–2.32 Å. In the fifth Cu+2.40+ site, Cu+2.40+ is bonded to four O2- atoms to form CuO4 trigonal pyramids that share a cornercorner with one CoO6 octahedra, a cornercorner with one CuO6 octahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 12–21°. There are a spread of Cu–O bond distances ranging from 1.84–1.91 Å. In the sixth Cu+2.40+ site, Cu+2.40+ is bonded to four O2- atoms to form CuO4 tetrahedra that share corners with two CuO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 18–21°. There are a spread of Cu–O bond distances ranging from 1.84–1.92 Å. In the seventh Cu+2.40+

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3B(BrO)3 by Materials Project

Ba3BO3Br3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 3-coordinate geometry to four O2- and four Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.63–2.95 Å. There are a spread of Ba–Br bond distances ranging from 3.37–3.69 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to four O2- and four Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.63–2.92 Å. There are a spread of Ba–Br bond distances ranging from 3.49–3.63 Å. In the third Ba2+ site, Ba2+ is bonded in a 4-coordinate geometry to four O2- and four Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.66–2.79 Å. There are a spread of Ba–Br bond distances ranging from 3.44–3.90 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to two O2- and seven Br1- atoms. There are one shorter (2.63 Å) and one longer (2.71 Å) Ba–O bond lengths. There are a spread of Ba–Br bond distances ranging from 3.32–3.84 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to two O2- and six Br1- atoms. There are one shorter (2.67 Å) and one longer (2.70 Å) Ba–O bond lengths. There are a spread of Ba–Br bond distances ranging from 3.38–3.78 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 1-coordinate geometry to three O2- and five Br1- atoms. There are a spread of Ba–O bond distances ranging from 2.64–2.71 Å. There are a spread of Ba–Br bond distances ranging from 3.35–3.76 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 one shorter (1.39 Å) and two 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 one shorter (1.39 Å) and two longer (1.40 Å) B–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one B3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+, one B3+, and one Br1- atom. The O–Br bond length is 3.56 Å. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to four Ba2+, one B3+, and one Br1- atom. The O–Br bond length is 3.58 Å. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one B3+ atom. There are seven inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted octahedral geometry to six Ba2+ atoms. In the second Br1- site, Br1- is bonded in a 6-coordinate geometry to six Ba2+ atoms. In the third Br1- site, Br1- is bonded in a 4-coordinate geometry to four Ba2+ atoms. In the fourth Br1- site, Br1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the fifth Br1- site, Br1- is bonded in a 4-coordinate geometry to six Ba2+ and two O2- atoms. In the sixth Br1- site, Br1- is bonded in a 4-coordinate geometry to four Ba2+ atoms. In the seventh Br1- site, Br1- is bonded in a 5-coordinate geometry to five Ba2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3Te by Materials Project

Ba3Te crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to eight Ba and four equivalent Te atoms to form a mixture of distorted corner, edge, and face-sharing BaBa8Te4 cuboctahedra. There are four shorter (3.79 Å) and four longer (4.29 Å) Ba–Ba bond lengths. All Ba–Te bond lengths are 4.29 Å. In the second Ba site, Ba is bonded in a square co-planar geometry to eight equivalent Ba and four equivalent Te atoms. All Ba–Te bond lengths are 3.79 Å. Te is bonded in a square co-planar geometry to twelve Ba atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba4Bi(PbO4)3 by Materials Project

Ba4Bi(PbO4)3 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, faces with four equivalent PbO6 octahedra, and faces with four equivalent BiO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.99–3.17 Å. In the second Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with eight PbO6 octahedra. There are a spread of Ba–O bond distances ranging from 3.08–3.15 Å. There are two inequivalent Pb sites. In the first Pb site, Pb is bonded to six O atoms to form PbO6 octahedra that share a cornercorner with one BiO6 octahedra, corners with five PbO6 octahedra, and faces with eight BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Pb–O bond distances ranging from 2.17–2.23 Å. In the second Pb site, Pb is bonded to six O atoms to form PbO6 octahedra that share corners with six PbO6 octahedra and faces with eight equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.18 Å) and two longer (2.20 Å) Pb–O bond lengths. Bi is bonded to six O atoms to form BiO6 octahedra that share corners with two equivalent PbO6 octahedra, corners with four equivalent BiO6 octahedra, and faces with eight equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.17 Å) and four longer (2.18 Å) Bi–O bond lengths. There are five inequivalent O sites. In the first O site, O is bonded to four Ba and two equivalent Pb atoms to form a mixture of distorted edge, face, and corner-sharing OBa4Pb2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the second O site, O is bonded to four equivalent Ba and two equivalent Pb atoms to form a mixture of distorted edge, face, and corner-sharing OBa4Pb2 octahedra. The corner-sharing octahedra tilt angles range from 0–59°. In the third O site, O is bonded in a distorted linear geometry to four equivalent Ba and two equivalent Bi atoms. In the fourth O site, O is bonded to four equivalent Ba, one Pb, and one Bi atom to form distorted OBa4BiPb octahedra that share corners with fourteen OBa4BiPb octahedra, edges with four equivalent OBa4BiPb octahedra, and faces with four equivalent OBa4Pb2 octahedra. The corner-sharing octahedra tilt angles range from 0–57°. In the fifth O site, O is bonded to four equivalent Ba and two Pb atoms to form distorted OBa4Pb2 octahedra that share corners with twenty-two OBa4BiPb octahedra, edges with four equivalent OBa4Pb2 octahedra, and faces with eight OBa4Pb2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°.

36 MATERIALS SCIENCE↗