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Materials Data on Ba3Sr(CuO3)4 by Materials Project

Ba3Sr(CuO3)4 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 four equivalent SrO12 cuboctahedra, corners with eight BaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four BaO12 cuboctahedra, and faces with eight equivalent CuO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.82–2.90 Å. In the second 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 (2.84 Å) and four longer (2.91 Å) Ba–O bond lengths. Sr is bonded to twelve O atoms to form SrO12 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 (2.76 Å) and eight longer (2.77 Å) Sr–O bond lengths. Cu is bonded to six O atoms to form CuO6 octahedra that share corners with six equivalent CuO6 octahedra, faces with two equivalent SrO12 cuboctahedra, and faces with six BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–5°. There are four shorter (2.00 Å) and two longer (2.01 Å) Cu–O bond lengths. There are three inequivalent O sites. In the first 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 OBa3SrCu2 octahedra, edges with four equivalent OBa3SrCu2 octahedra, and faces with eight OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the second O site, O is bonded to two equivalent Ba, two equivalent Sr, and two equivalent Cu atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with twenty-two OBa3SrCu2 octahedra, edges with four equivalent OBa2Sr2Cu2 octahedra, and faces with eight OBa3SrCu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the third O site, O is bonded to four Ba and two equivalent Cu atoms to form distorted OBa4Cu2 octahedra that share corners with twenty-two OBa3SrCu2 octahedra, edges with four equivalent OBa4Cu2 octahedra, and faces with eight OBa3SrCu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr(ClF)4 by Materials Project

Ba3Sr(ClF)4 crystallizes in the tetragonal P4mm space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to five Cl1- and four equivalent F1- atoms. There are one shorter (3.27 Å) and four longer (3.30 Å) Ba–Cl bond lengths. All Ba–F bond lengths are 2.68 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to five Cl1- and four equivalent F1- atoms. There are one shorter (3.22 Å) and four longer (3.31 Å) Ba–Cl bond lengths. All Ba–F bond lengths are 2.68 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to five Cl1- and four equivalent F1- atoms. There are one shorter (3.24 Å) and four longer (3.29 Å) Ba–Cl bond lengths. All Ba–F bond lengths are 2.68 Å. Sr2+ is bonded in a 9-coordinate geometry to five Cl1- and four equivalent F1- atoms. There are one shorter (3.13 Å) and four longer (3.28 Å) Sr–Cl bond lengths. All Sr–F bond lengths are 2.57 Å. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four equivalent Ba2+ and one Sr2+ atom. 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 1-coordinate geometry to one Ba2+, four equivalent Sr2+, and four equivalent F1- atoms. All Cl–F bond lengths are 3.25 Å. In the fourth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded to four Ba2+ atoms to form a mixture of edge and corner-sharing FBa4 tetrahedra. In the second F1- site, F1- is bonded to two equivalent Ba2+, two equivalent Sr2+, and two equivalent Cl1- atoms to form a mixture of edge, face, and corner-sharing FBa2Sr2Cl2 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr by Materials Project

Ba3Sr is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a body-centered cubic geometry to four equivalent Ba and four equivalent Sr atoms. All Ba–Ba bond lengths are 4.32 Å. All Ba–Sr bond lengths are 4.32 Å. In the second Ba site, Ba is bonded in a body-centered cubic geometry to eight equivalent Ba atoms. Sr is bonded in a body-centered cubic geometry to eight equivalent Ba atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr(CoO3)4 by Materials Project

Ba3Sr(CoO3)4 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with two equivalent BaO12 cuboctahedra, corners with four equivalent SrO12 cuboctahedra, corners with six CoO6 octahedra, faces with eight BaO12 cuboctahedra, and faces with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 13–14°. There are a spread of Ba–O bond distances ranging from 2.84–3.03 Å. In the second Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with six BaO12 cuboctahedra, corners with six CoO6 octahedra, faces with four BaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, and faces with six CoO6 octahedra. The corner-sharing octahedral tilt angles are 14°. There are a spread of Ba–O bond distances ranging from 2.81–3.01 Å. In the third Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with six BaO12 cuboctahedra, corners with six CoO6 octahedra, faces with two equivalent SrO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 12–14°. There are a spread of Ba–O bond distances ranging from 2.84–3.04 Å. Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with two equivalent SrO12 cuboctahedra, corners with four equivalent BaO12 cuboctahedra, corners with six CoO6 octahedra, faces with two equivalent SrO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 13–15°. There are a spread of Sr–O bond distances ranging from 2.76–3.01 Å. There are two inequivalent Co4+ sites. In the first Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent SrO12 cuboctahedra, corners with four BaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four BaO12 cuboctahedra, and faces with two equivalent CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.88–1.91 Å. In the second Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one SrO12 cuboctahedra, corners with five BaO12 cuboctahedra, a faceface with one SrO12 cuboctahedra, faces with five BaO12 cuboctahedra, and faces with two equivalent CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.88–1.91 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+, two equivalent Sr2+, and two equivalent Co4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two equivalent Co4+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+, two equivalent Sr2+, and two equivalent Co4+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two equivalent Co4+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, two equivalent Sr2+, and two equivalent Co4+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two equivalent Co4+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+, one Sr2+, and two equivalent Co4+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+, one Sr2+, and two equivalent Co4+ atoms. In the ninth O2- site, O2- is bonded in a 6-coordinate geometry to three Ba2+, one Sr2+, and two equivalent Co4+ atoms. In the tenth O2- site, O2- is bonded in a 6-coordinate geometry to three Ba2+, one Sr2+, and two equivalent Co4+ atoms. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, two equivalent Sr2+, and two equivalent Co4+ atoms. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two equivalent Co4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr by Materials Project

Ba3Sr is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ba is bonded to eight equivalent Ba and four equivalent Sr atoms to form BaBa8Sr4 cuboctahedra that share corners with four equivalent SrBa12 cuboctahedra, corners with fourteen equivalent BaBa8Sr4 cuboctahedra, edges with six equivalent SrBa12 cuboctahedra, edges with twelve equivalent BaBa8Sr4 cuboctahedra, faces with four equivalent SrBa12 cuboctahedra, and faces with sixteen equivalent BaBa8Sr4 cuboctahedra. There are a spread of Ba–Ba bond distances ranging from 4.42–4.44 Å. All Ba–Sr bond lengths are 4.43 Å. Sr is bonded to twelve equivalent Ba atoms to form SrBa12 cuboctahedra that share corners with six equivalent SrBa12 cuboctahedra, corners with twelve equivalent BaBa8Sr4 cuboctahedra, edges with eighteen equivalent BaBa8Sr4 cuboctahedra, faces with eight equivalent SrBa12 cuboctahedra, and faces with twelve equivalent BaBa8Sr4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr(HgO2)4 by Materials Project

Ba3Sr(HgO2)4 crystallizes in the trigonal P321 space group. The structure is three-dimensional. there are five inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.70 Å) and three longer (2.80 Å) Ba–O bond lengths. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.71 Å) and three longer (2.80 Å) Ba–O bond lengths. In the third Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. There are three shorter (2.67 Å) and three longer (2.79 Å) Ba–O bond lengths. In the fourth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. There are three shorter (2.71 Å) and three longer (2.80 Å) Ba–O bond lengths. In the fifth Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Ba–O bond lengths are 2.68 Å. There are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Sr–O bond lengths are 2.56 Å. In the second Sr2+ site, Sr2+ is bonded in a 6-coordinate geometry to six O2- atoms. All Sr–O bond lengths are 2.56 Å. There are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a linear geometry to two O2- atoms. Both Hg–O bond lengths are 2.02 Å. In the second Hg2+ site, Hg2+ is bonded in a linear geometry to two O2- atoms. Both Hg–O bond lengths are 2.02 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ba2+ and one Hg2+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, one Sr2+, and one Hg2+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, one Sr2+, and one Hg2+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, one Sr2+, and one Hg2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr(MoO4)4 by Materials Project

Ba3Sr(MoO4)4 is Zircon-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first 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 2.76–2.81 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 2.75–2.81 Å. In the third 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 2.76–2.81 Å. Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are one shorter (2.69 Å) and seven longer (2.71 Å) Sr–O bond lengths. There are four inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.80 Å) and three longer (1.81 Å) Mo–O bond length. In the second Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.80 Å) and one longer (1.81 Å) Mo–O bond length. In the third Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.80 Å) and two longer (1.81 Å) Mo–O bond length. In the fourth Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.80 Å) and one longer (1.81 Å) Mo–O bond length. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom. In the fifteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Sr2+, and one Mo6+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+ and one Mo6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr(SnO3)4 by Materials Project

Ba3Sr(SnO3)4 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight BaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four BaO12 cuboctahedra, and faces with eight SnO6 octahedra. There are eight shorter (2.95 Å) and four longer (2.96 Å) Ba–O bond lengths. In the second Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with two equivalent SrO12 cuboctahedra, corners with ten BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with eight SnO6 octahedra. There are ten shorter (2.95 Å) and two longer (2.97 Å) Ba–O bond lengths. Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with two equivalent SrO12 cuboctahedra, corners with ten BaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, and faces with eight SnO6 octahedra. There are ten shorter (2.93 Å) and two longer (2.95 Å) Sr–O bond lengths. There are three inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six SnO6 octahedra and faces with eight BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Sn–O bond lengths are 2.09 Å. In the second Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six SnO6 octahedra, faces with two equivalent SrO12 cuboctahedra, and faces with six BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are two shorter (2.08 Å) and four longer (2.09 Å) Sn–O bond lengths. In the third Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six SnO6 octahedra, faces with four equivalent BaO12 cuboctahedra, and faces with four equivalent SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are four shorter (2.08 Å) and two longer (2.09 Å) Sn–O bond lengths. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Sn4+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to two equivalent Ba2+, two equivalent Sr2+, and two Sn4+ atoms. In the third O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Sn4+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to three Ba2+, one Sr2+, and two equivalent Sn4+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to two equivalent Ba2+, two equivalent Sr2+, and two equivalent Sn4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr by Materials Project

Ba3Sr is alpha La-derived 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 Sr atoms to form BaBa8Sr4 cuboctahedra that share corners with twelve equivalent BaBa8Sr4 cuboctahedra, edges with eight equivalent SrBa12 cuboctahedra, edges with sixteen BaBa8Sr4 cuboctahedra, faces with four equivalent SrBa12 cuboctahedra, and faces with fourteen BaBa8Sr4 cuboctahedra. There are four shorter (4.42 Å) and four longer (4.51 Å) Ba–Ba bond lengths. All Ba–Sr bond lengths are 4.51 Å. In the second Ba site, Ba is bonded to eight equivalent Ba and four equivalent Sr atoms to form BaBa8Sr4 cuboctahedra that share corners with four equivalent BaBa8Sr4 cuboctahedra, corners with eight equivalent SrBa12 cuboctahedra, edges with twenty-four BaBa8Sr4 cuboctahedra, faces with six equivalent SrBa12 cuboctahedra, and faces with twelve BaBa8Sr4 cuboctahedra. All Ba–Sr bond lengths are 4.42 Å. Sr is bonded to twelve Ba atoms to form SrBa12 cuboctahedra that share corners with four equivalent SrBa12 cuboctahedra, corners with eight equivalent BaBa8Sr4 cuboctahedra, edges with eight equivalent SrBa12 cuboctahedra, edges with sixteen equivalent BaBa8Sr4 cuboctahedra, faces with four equivalent SrBa12 cuboctahedra, and faces with fourteen BaBa8Sr4 cuboctahedra.

36 MATERIALS SCIENCE↗