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Materials Data on Sr4Li3InGe6 by Materials Project

Li3Sr4InGe6 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are three inequivalent Li sites. In the first Li site, Li is bonded to one Sr, two equivalent In, and four Ge atoms to form distorted LiSrIn2Ge4 tetrahedra that share corners with three equivalent LiSrGe4 tetrahedra, edges with two equivalent LiSrIn2Ge4 tetrahedra, and a faceface with one LiSrGe4 tetrahedra. The Li–Sr bond length is 3.40 Å. Both Li–In bond lengths are 3.38 Å. There are a spread of Li–Ge bond distances ranging from 2.81–2.93 Å. In the second Li site, Li is bonded in a 4-coordinate geometry to two equivalent Sr, one In, and four Ge atoms. Both Li–Sr bond lengths are 3.20 Å. The Li–In bond length is 2.90 Å. There are three shorter (2.77 Å) and one longer (2.82 Å) Li–Ge bond lengths. In the third Li site, Li is bonded to one Sr and four Ge atoms to form a mixture of distorted face and corner-sharing LiSrGe4 tetrahedra. The Li–Sr bond length is 3.25 Å. There are a spread of Li–Ge bond distances ranging from 2.75–2.81 Å. There are four inequivalent Sr sites. In the first Sr site, Sr is bonded in a 7-coordinate geometry to one In and six Ge atoms. The Sr–In bond length is 3.38 Å. There are a spread of Sr–Ge bond distances ranging from 3.26–3.38 Å. In the second Sr site, Sr is bonded in a 8-coordinate geometry to four Li, two equivalent In, and seven Ge atoms. Both Sr–In bond lengths are 3.39 Å. There are a spread of Sr–Ge bond distances ranging from 3.27–3.67 Å. In the third Sr site, Sr is bonded in a 9-coordinate geometry to two equivalent In and nine Ge atoms. Both Sr–In bond lengths are 3.87 Å. There are a spread of Sr–Ge bond distances ranging from 3.32–3.47 Å. In the fourth Sr site, Sr is bonded in a 9-coordinate geometry to nine Ge atoms. There are a spread of Sr–Ge bond distances ranging from 3.29–3.48 Å. In is bonded in a 12-coordinate geometry to three Li, five Sr, and four Ge atoms. There are a spread of In–Ge bond distances ranging from 2.82–2.90 Å. There are six inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to four Li, four Sr, and two equivalent In atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to five Li, three Sr, and one In atom. In the third Ge site, Ge is bonded in a 1-coordinate geometry to one Li, six Sr, and two Ge atoms. There are one shorter (2.52 Å) and one longer (2.54 Å) Ge–Ge bond lengths. In the fourth Ge site, Ge is bonded in a 1-coordinate geometry to one Li, six Sr, and two Ge atoms. The Ge–Ge bond length is 2.54 Å. In the fifth Ge site, Ge is bonded in a 9-coordinate geometry to six Sr, one In, and two Ge atoms. The Ge–Ge bond length is 2.52 Å. In the sixth Ge site, Ge is bonded in a 1-coordinate geometry to one Li, six Sr, and two Ge atoms.

36 MATERIALS SCIENCE↗

Materials Data on BaSr7Co5Cu3O20 by Materials Project

BaSr7Co5Cu3O20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ba2+ sites. In the first 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 2.67–2.89 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 2.65–2.93 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 2.64–2.99 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 2.63–3.19 Å. There are twenty-eight inequivalent Sr2+ sites. In the first 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 2.47–3.03 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 2.46–3.00 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 2.48–3.07 Å. In the fourth 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 2.48–2.95 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 2.48–2.97 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 2.43–3.12 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 2.48–3.02 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.84 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 2.44–2.99 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 2.44–3.15 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 2.45–3.01 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 2.50–2.97 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 2.48–3.01 Å. In the fourteenth 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 2.45–2.97 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 2.48–3.03 Å. In the sixteenth 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 2.43–3.00 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 2.46–3.12 Å. In the eighteenth 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 2.45–3.01 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 2.50–3.02 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 2.47–3.01 Å. In the twenty-first 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 2.46–3.08 Å. In the twenty-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 2.48–2.96 Å. In the twenty-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 2.47–3.00 Å. In the twenty-fourth 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 2.48–3.06 Å. In the twenty-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 2.48–3.02 Å. In the twenty-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 2.48–2.99 Å. In the twenty-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 2.43–3.17 Å. In the twenty-eighth 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 2.47–3.02 Å. There are twenty inequivalent Co+3.60+ sites. In the first Co+3.60+ site, Co+3.60+ is bonded to five O2- atoms to form CoO5 square pyramids that share corners with four CoO6 octahedra and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 4–10°. There are a spread of Co–O bond distances ranging from 1.92–2.05 Å. In the second Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra and corners with two CuO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Co–O bond distances ranging from 1.82–2.23 Å. In the third Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–12°. There are a spread of Co–O bond distances ranging from 1.84–2.57 Å. In the fourth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–13°. There are a spread of Co–O bond distances ranging from 1.83–2.51 Å. In the fifth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–8°. There are a spread of Co–O bond distances ranging from 1.83–2.39 Å. In the sixth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Co–O bond distances ranging from 1.83–2.19 Å. In the seventh Co+3.60+ site, Co+3.60+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share corners with four CoO6 octahedra and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–14°. There are a spread of Co–O bond distances ranging from 1.82–2.08 Å. In the eighth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Co–O bond distances ranging from 1.83–2.24 Å. In the ninth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 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 1.82–2.42 Å. In the tenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Co–O bond distances ranging from 1.91–2.52 Å. In the eleventh Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–7°. There are a spread of Co–O bond distances ranging from 1.83–2.47 Å. In the twelfth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–13°. There are a spread of Co–O bond distances ranging from 1.84–2.57 Å. In the thirteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–12°. There are a spread of Co–O bond distances ranging from 1.83–2.47 Å. In the fourteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–5°. There are a spread of Co–O bond distances ranging from 1.84–2.21 Å. In the fifteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, and corners with two CuO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 4–8°. There are a spread of Co–O bond distances ranging from 1.82–2.45 Å. In the sixteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–13°. There are a spread of Co–O bond distances ranging from 1.83–2.46 Å. In the seventeenth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share a cornercorner with one CoO6 octahedra and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 34°. There are a spread of Co–O bond distances ranging from 1.78–1.82 Å. In the eighteenth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 22–31°. There are a spread of Co–O bond distances ranging from 1.81–1.93 Å. In the nineteenth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share a cornercorner with one CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedral tilt angles are 29°. There are a spread of Co–O bond distances ranging from 1.80–1.93 Å. In the twentieth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra and corners with two CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 20–29°. There are a spread of Co–O bond distances ran

36 MATERIALS SCIENCE↗

Materials Data on BaSr7Fe7CoO20 by Materials Project

BaSr7Fe7CoO20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ba2+ sites. In the first 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 2.63–3.14 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 2.62–3.13 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 2.64–3.31 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.03 Å. There are twenty-eight inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.96 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.95 Å. In the third Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.96 Å. In the fourth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.83 Å. In the fifth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.96 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–2.91 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–3.03 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.99 Å. In the ninth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–3.01 Å. In the tenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.97 Å. In the eleventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.94 Å. In the twelfth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.90 Å. In the thirteenth Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–3.05 Å. In the fourteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.93 Å. In the fifteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.94 Å. In the sixteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.94 Å. In the seventeenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–2.96 Å. In the eighteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.94 Å. In the nineteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–2.85 Å. In the twentieth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.92 Å. In the twenty-first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.41–3.02 Å. In the twenty-second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–2.91 Å. In the twenty-third Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.43–3.01 Å. In the twenty-fourth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–2.94 Å. In the twenty-fifth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.93 Å. In the twenty-sixth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.95 Å. In the twenty-seventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.94 Å. In the twenty-eighth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.97 Å. There are twenty-eight inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 5–9°. There are a spread of Fe–O bond distances ranging from 1.99–2.28 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 8–9°. There are a spread of Fe–O bond distances ranging from 1.98–2.30 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–9°. There are a spread of Fe–O bond distances ranging from 2.00–2.27 Å. In the fourth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one CoO6 octahedra, corners with three FeO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Fe–O bond distances ranging from 1.95–2.45 Å. In the fifth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 8–10°. There are a spread of Fe–O bond distances ranging from 1.99–2.26 Å. In the sixth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with two CoO6 octahedra, a cornercorner with one CoO5 square pyramid, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of Fe–O bond distances ranging from 1.94–2.36 Å. In the seventh Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–10°. There are a spread of Fe–O bond distances ranging from 2.01–2.27 Å. In the eighth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with two CoO6 octahedra, a cornercorner with one CoO5 square pyramid, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–12°. There are a spread of Fe–O bond distances ranging from 1.96–2.48 Å. In the ninth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedral tilt angles are 8°. There are a spread of Fe–O bond distances ranging from 1.99–2.27 Å. In the tenth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with two CoO6 octahedra, a cornercorner with one CoO5 square pyramid, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 5–9°. There are a spread of Fe–O bond distances ranging from 1.96–2.28 Å. In the eleventh Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 5–9°. There are a spread of Fe–O bond distances ranging from 2.01–2.23 Å. In the twelfth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 8–9°. There are a spread of Fe–O bond distances ranging from 1.99–2.24 Å. In the thirteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedral tilt angles are 33°. There are a spread of Fe–O bond distances ranging from 1.86–1.94 Å. In the fourteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 31–32°. There are a spread of Fe–O bond distances ranging from 1.90–1.95 Å. In the fifteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–31°. There are a spread of Fe–O bond distances ranging from 1.87–1.95 Å. In the sixteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 31–32°. There is two shorter (1.90 Å) and two longer (1.94 Å) Fe–O bond length. In the seventeenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 32–33°. There are a spread of Fe–O bond distances ranging from 1.87–1.94 Å. In the eighteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–31°. There are a spread of Fe–O bond distances ranging from 1.89–1.95 Å. In the nineteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–31°. There are a spread of Fe–O bond distances ranging from 1.89–1.94 Å. In the twentieth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 32–33°. There are a spread of Fe–O bond distances ranging from 1.89–1.95 Å. In the twenty-first Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–31°. There are a spread of Fe–O bond distances ranging from 1.90–1.95 Å. In the twenty-second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. T

36 MATERIALS SCIENCE↗

Materials Data on Sr7CaFe7CoO20 by Materials Project

Sr7CaFe7CoO20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twenty-eight inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.93 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.90 Å. In the third Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.91 Å. In the fourth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–3.03 Å. In the fifth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.92 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.95 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.96 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–2.87 Å. In the ninth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–3.01 Å. In the tenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.92 Å. In the eleventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.95 Å. In the twelfth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.43–2.96 Å. In the thirteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–2.98 Å. In the fourteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.44–2.95 Å. In the fifteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.92 Å. In the sixteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.90 Å. In the seventeenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.92 Å. In the eighteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.93 Å. In the nineteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–3.00 Å. In the twentieth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.91 Å. In the twenty-first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.83 Å. In the twenty-second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.95 Å. In the twenty-third Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.86 Å. In the twenty-fourth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.96 Å. In the twenty-fifth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.90 Å. In the twenty-sixth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.90 Å. In the twenty-seventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.92 Å. In the twenty-eighth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.94 Å. There are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.38–2.61 Å. In the second Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.37–2.60 Å. In the third Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.38–2.60 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.37–2.59 Å. There are twenty-eight inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–8°. There are a spread of Fe–O bond distances ranging from 1.99–2.26 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 7–8°. There are a spread of Fe–O bond distances ranging from 1.99–2.24 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–8°. There are a spread of Fe–O bond distances ranging from 1.98–2.27 Å. In the fourth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one CoO6 octahedra, corners with three FeO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–11°. There are a spread of Fe–O bond distances ranging from 1.98–2.26 Å. In the fifth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–9°. There are a spread of Fe–O bond distances ranging from 1.98–2.26 Å. In the sixth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with three CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 8–11°. There are a spread of Fe–O bond distances ranging from 1.99–2.26 Å. In the seventh Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–8°. There are a spread of Fe–O bond distances ranging from 1.98–2.26 Å. In the eighth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with three CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 8–10°. There are a spread of Fe–O bond distances ranging from 1.98–2.28 Å. In the ninth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 7–8°. There are a spread of Fe–O bond distances ranging from 1.99–2.18 Å. In the tenth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with three CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–9°. There are a spread of Fe–O bond distances ranging from 1.99–2.22 Å. In the eleventh Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 7–8°. There are a spread of Fe–O bond distances ranging from 1.99–2.20 Å. In the twelfth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with four FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–9°. There are a spread of Fe–O bond distances ranging from 1.99–2.26 Å. In the thirteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 28–44°. There are a spread of Fe–O bond distances ranging from 1.84–1.96 Å. In the fourteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedral tilt angles are 30°. There are a spread of Fe–O bond distances ranging from 1.90–1.94 Å. In the fifteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–39°. There are a spread of Fe–O bond distances ranging from 1.85–1.95 Å. In the sixteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 29–30°. There are a spread of Fe–O bond distances ranging from 1.89–1.94 Å. In the seventeenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 29–41°. There are a spread of Fe–O bond distances ranging from 1.84–1.97 Å. In the eighteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–31°. There are a spread of Fe–O bond distances ranging from 1.89–1.94 Å. In the nineteenth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 29–34°. There are a spread of Fe–O bond distances ranging from 1.87–1.96 Å. In the twentieth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one FeO6 octahedra, a cornercorner with one CoO6 octahedra, and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–32°. There are a spread of Fe–O bond distances ranging from 1.86–1.95 Å. In the twenty-first Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–38°. There are a spread of Fe–O bond distances ranging from 1.89–1.94 Å. In the twenty-second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two FeO6 octahedra and corners with two FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–32°. There are a spread of Fe

36 MATERIALS SCIENCE↗

Materials Data on BaSr4 by Materials Project

BaSr4 is alpha La-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Ba is bonded to six equivalent Ba and six equivalent Sr atoms to form BaBa6Sr6 cuboctahedra that share corners with six equivalent BaBa6Sr6 cuboctahedra, corners with six SrSr12 cuboctahedra, edges with six equivalent BaBa6Sr6 cuboctahedra, edges with eighteen SrBa3Sr9 cuboctahedra, faces with six equivalent BaBa6Sr6 cuboctahedra, and faces with twelve equivalent SrBa3Sr9 cuboctahedra. All Ba–Ba bond lengths are 4.30 Å. All Ba–Sr bond lengths are 4.35 Å. There are five inequivalent Sr sites. In the first Sr site, Sr is bonded to three equivalent Ba and nine Sr atoms to form SrBa3Sr9 cuboctahedra that share corners with twelve SrBa3Sr9 cuboctahedra, edges with six equivalent BaBa6Sr6 cuboctahedra, edges with eighteen SrBa3Sr9 cuboctahedra, faces with six equivalent BaBa6Sr6 cuboctahedra, and faces with twelve SrBa3Sr9 cuboctahedra. There are three shorter (4.28 Å) and six longer (4.30 Å) Sr–Sr bond lengths. In the second Sr site, Sr is bonded to twelve Sr atoms to form SrSr12 cuboctahedra that share corners with three equivalent BaBa6Sr6 cuboctahedra, corners with nine SrBa3Sr9 cuboctahedra, edges with three equivalent BaBa6Sr6 cuboctahedra, edges with twenty-one SrBa3Sr9 cuboctahedra, and faces with eighteen SrBa3Sr9 cuboctahedra. All Sr–Sr bond lengths are 4.30 Å. In the third Sr site, Sr is bonded to twelve Sr atoms to form SrSr12 cuboctahedra that share corners with three equivalent BaBa6Sr6 cuboctahedra, corners with nine SrBa3Sr9 cuboctahedra, edges with three equivalent BaBa6Sr6 cuboctahedra, edges with twenty-one SrBa3Sr9 cuboctahedra, and faces with eighteen SrBa3Sr9 cuboctahedra. There are three shorter (4.28 Å) and six longer (4.30 Å) Sr–Sr bond lengths. In the fourth Sr site, Sr is bonded to twelve Sr atoms to form SrSr12 cuboctahedra that share corners with three equivalent BaBa6Sr6 cuboctahedra, corners with nine SrSr12 cuboctahedra, edges with three equivalent BaBa6Sr6 cuboctahedra, edges with twenty-one SrSr12 cuboctahedra, and faces with eighteen SrSr12 cuboctahedra. There are three shorter (4.28 Å) and nine longer (4.30 Å) Sr–Sr bond lengths. In the fifth Sr site, Sr is bonded to twelve Sr atoms to form SrSr12 cuboctahedra that share corners with three equivalent BaBa6Sr6 cuboctahedra, corners with nine SrBa3Sr9 cuboctahedra, edges with three equivalent BaBa6Sr6 cuboctahedra, edges with twenty-one SrBa3Sr9 cuboctahedra, and faces with eighteen SrBa3Sr9 cuboctahedra. There are three shorter (4.28 Å) and nine longer (4.30 Å) Sr–Sr bond lengths.

36 MATERIALS SCIENCE↗

Materials Data on Sr7Ca2Al3(O4F)3 by Materials Project

Sr7Ca2Al3(O4F)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are fourteen inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to eight O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.79–2.86 Å. Both Sr–F bond lengths are 2.79 Å. In the second Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to eight O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.79–2.85 Å. Both Sr–F bond lengths are 2.79 Å. In the third Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to eight O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.79–2.87 Å. Both Sr–F bond lengths are 2.79 Å. In the fourth Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to eight O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.83–2.86 Å. There are one shorter (2.77 Å) and one longer (2.80 Å) Sr–F bond lengths. In the fifth Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to eight O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.79–2.87 Å. There are one shorter (2.77 Å) and one longer (2.80 Å) Sr–F bond lengths. In the sixth Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to eight O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.79–2.86 Å. Both Sr–F bond lengths are 2.79 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.44–2.67 Å. Both Sr–F bond lengths are 2.59 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.44–2.66 Å. There are one shorter (2.58 Å) and one longer (2.59 Å) Sr–F bond lengths. In the ninth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.68 Å. There are one shorter (2.49 Å) and one longer (2.50 Å) Sr–F bond lengths. In the tenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.44–2.68 Å. There are one shorter (2.48 Å) and one longer (2.49 Å) Sr–F bond lengths. In the eleventh Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.69 Å. There are one shorter (2.49 Å) and one longer (2.50 Å) Sr–F bond lengths. In the twelfth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.69 Å. There are one shorter (2.49 Å) and one longer (2.50 Å) Sr–F bond lengths. In the thirteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.44–2.69 Å. There are one shorter (2.48 Å) and one longer (2.50 Å) Sr–F bond lengths. In the fourteenth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.68 Å. There are one shorter (2.48 Å) and one longer (2.50 Å) Sr–F bond lengths. There are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Ca–O bond distances ranging from 2.37–2.66 Å. There are one shorter (2.47 Å) and one longer (2.52 Å) Ca–F bond lengths. In the second Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.68 Å. There are one shorter (2.46 Å) and one longer (2.51 Å) Ca–F bond lengths. In the third Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are two shorter (2.35 Å) and four longer (2.68 Å) Ca–O bond lengths. Both Ca–F bond lengths are 2.46 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to six O2- and two F1- atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.65 Å. Both Ca–F bond lengths are 2.52 Å. There are six inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.78 Å) and one longer (1.80 Å) Al–O bond length. In the second Al3+ site, Al3+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.78 Å) and two longer (1.81 Å) Al–O bond length. In the third Al3+ site, Al3+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.78 Å) and one longer (1.80 Å) Al–O bond length. In the fourth Al3+ site, Al3+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Al–O bond distances ranging from 1.78–1.81 Å. In the fifth Al3+ site, Al3+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Al–O bond distances ranging from 1.78–1.81 Å. In the sixth Al3+ site, Al3+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.78 Å) and one longer (1.80 Å) Al–O bond length. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to five Sr2+ and one Al3+ atom. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the third O2- site, O2- is bonded in a 6-coordinate geometry to five Sr2+ and one Al3+ atom. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the sixth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+, two Ca2+, and one Al3+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to three Sr2+, two Ca2+, and one Al3+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the thirteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the fourteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the fifteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the sixteenth O2- site, O2- is bonded in a 6-coordinate geometry to five Sr2+ and one Al3+ atom. In the seventeenth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the eighteenth O2- site, O2- is bonded in a 6-coordinate geometry to five Sr2+ and one Al3+ atom. In the nineteenth O2- site, O2- is bonded in a 6-coordinate geometry to three Sr2+, two Ca2+, and one Al3+ atom. In the twentieth O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the twenty-first O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the twenty-second O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+, two Ca2+, and one Al3+ atom. In the twenty-third O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. In the twenty-fourth O2- site, O2- is bonded in a 1-coordinate geometry to four Sr2+, one Ca2+, and one Al3+ atom. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded to five Sr2+ and one Ca2+ atom to form distorted corner-sharing FSr5Ca octahedra. The corner-sharing octahedra tilt angles range from 0–37°. In the second F1- site, F1- is bonded to four Sr2+ and two Ca2+ atoms to form corner-sharing FSr4Ca2 octahedra. The corner-sharing octahedra tilt angles range from 0–38°. In the third F1- site, F1- is bonded to five Sr2+ and one Ca2+ atom to form distorted corner-sharing FSr5Ca octahedra. The corner-sharing octahedra tilt angles range from 0–37°. In the fourth F1- site, F1- is bonded to five Sr2+ and one Ca2+ atom to form corner-sharing FSr5Ca octahedra. The corner-sharing octahedra tilt angles range from 0–38°. In the fifth F1- site, F1- is bonded to four Sr2+ and two Ca2+ atoms to form corner-sharing FSr4Ca2 octahedra. The corner-sharing octahedra tilt angles range from 0–36°. In the sixth F1- site, F1- is bonded to five Sr2+ and one Ca2+ atom to form distorted corner-sharing FSr5Ca octahedra. The corner-sharing octahedra tilt angles range from 0–37°.

36 MATERIALS SCIENCE↗

Materials Data on Sr9Cd4Bi9 by Materials Project

Sr9Cd4Bi9 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are five inequivalent Sr sites. In the first Sr site, Sr is bonded in a 9-coordinate geometry to four Cd and five Bi atoms. There are two shorter (3.50 Å) and two longer (3.76 Å) Sr–Cd bond lengths. There are a spread of Sr–Bi bond distances ranging from 3.44–3.55 Å. In the second Sr site, Sr is bonded in a 7-coordinate geometry to two equivalent Cd and five Bi atoms. Both Sr–Cd bond lengths are 3.47 Å. There are a spread of Sr–Bi bond distances ranging from 3.38–3.54 Å. In the third Sr site, Sr is bonded in a 6-coordinate geometry to two equivalent Cd and six Bi atoms. Both Sr–Cd bond lengths are 3.79 Å. There are two shorter (3.50 Å) and four longer (3.56 Å) Sr–Bi bond lengths. In the fourth Sr site, Sr is bonded in a 7-coordinate geometry to one Cd and six Bi atoms. The Sr–Cd bond length is 3.52 Å. There are a spread of Sr–Bi bond distances ranging from 3.47–3.71 Å. In the fifth Sr site, Sr is bonded to six Bi atoms to form a mixture of distorted edge and corner-sharing SrBi6 octahedra. The corner-sharing octahedral tilt angles are 44°. There are a spread of Sr–Bi bond distances ranging from 3.45–3.68 Å. There are two inequivalent Cd sites. In the first Cd site, Cd is bonded in a 10-coordinate geometry to six Sr and four Bi atoms. There are a spread of Cd–Bi bond distances ranging from 2.97–3.26 Å. In the second Cd site, Cd is bonded in a 6-coordinate geometry to two equivalent Sr and four Bi atoms. There are a spread of Cd–Bi bond distances ranging from 2.98–3.13 Å. There are five inequivalent Bi sites. In the first Bi site, Bi is bonded in a 7-coordinate geometry to five Sr and two equivalent Cd atoms. In the second Bi site, Bi is bonded in a 7-coordinate geometry to five Sr and two equivalent Cd atoms. In the third Bi site, Bi is bonded in a distorted body-centered cubic geometry to six Sr and two equivalent Cd atoms. In the fourth Bi site, Bi is bonded in a 8-coordinate geometry to six Sr and two Cd atoms. In the fifth Bi site, Bi is bonded to six Sr and one Cd atom to form a mixture of distorted edge and corner-sharing BiSr6Cd pentagonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on Sr2GaFe2O7 by Materials Project

Sr2Fe2GaO7 crystallizes in the triclinic P1 space group. The structure is two-dimensional and consists of one Sr2Fe2GaO7 sheet oriented in the (0, 0, 1) direction. there are four inequivalent Sr sites. In the first Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.94 Å. In the second Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.95 Å. In the third Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.93 Å. In the fourth Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.95 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded in a square co-planar geometry to four O atoms. There is two shorter (1.89 Å) and two longer (1.90 Å) Fe–O bond length. In the second Fe site, Fe is bonded in a square co-planar geometry to four O atoms. There is three shorter (1.89 Å) and one longer (1.90 Å) Fe–O bond length. In the third Fe site, Fe is bonded in a square co-planar geometry to four O atoms. There is one shorter (1.89 Å) and three longer (1.90 Å) Fe–O bond length. In the fourth Fe site, Fe is bonded in a square co-planar geometry to four O atoms. All Fe–O bond lengths are 1.89 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four O atoms to form corner-sharing GaO4 tetrahedra. There are a spread of Ga–O bond distances ranging from 1.87–1.92 Å. In the second Ga site, Ga is bonded to four O atoms to form corner-sharing GaO4 tetrahedra. There are a spread of Ga–O bond distances ranging from 1.87–1.91 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded in a 4-coordinate geometry to two Sr and two Fe atoms. In the second O site, O is bonded to two Sr and two Ga atoms to form distorted corner-sharing OSr2Ga2 tetrahedra. In the third O site, O is bonded in a 4-coordinate geometry to two Sr and two Fe atoms. In the fourth O site, O is bonded in a 1-coordinate geometry to four Sr and one Ga atom. In the fifth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Sr and two Fe atoms. In the sixth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Sr and two Fe atoms. In the seventh O site, O is bonded to two Sr and two Ga atoms to form distorted corner-sharing OSr2Ga2 tetrahedra. In the eighth O site, O is bonded in a 4-coordinate geometry to two Sr and two Fe atoms. In the ninth O site, O is bonded in a 4-coordinate geometry to two Sr and two Fe atoms. In the tenth O site, O is bonded in a 1-coordinate geometry to four Sr and one Ga atom. In the eleventh O site, O is bonded in a 1-coordinate geometry to four Sr and one Ga atom. In the twelfth O site, O is bonded in a 1-coordinate geometry to four Sr and one Ga atom. In the thirteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Sr and two Fe atoms. In the fourteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Sr and two Fe atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr5Ca3FeCo7O24 by Materials Project

Sr5Ca3FeCo7O24 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.69–2.78 Å. In the second Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.70–2.76 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.77 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.70–2.78 Å. There are two inequivalent Ca sites. In the first Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.57–2.81 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.61–2.78 Å. Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six CoO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–1.96 Å. There are five inequivalent Co sites. In the first Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four CoO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.81–2.06 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four equivalent CoO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There is one shorter (1.87 Å) and five longer (1.89 Å) Co–O bond length. In the third Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Co–O bond distances ranging from 1.79–2.00 Å. In the fourth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Co–O bond distances ranging from 1.76–2.06 Å. In the fifth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Co–O bond distances ranging from 1.87–2.07 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded to two Sr, two Ca, one Fe, and one Co atom to form distorted OSr2Ca2FeCo octahedra that share corners with eighteen OSr2Ca2Co2 octahedra, edges with two equivalent OSr2Ca2Co2 octahedra, and faces with five OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–64°. In the second O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Co atoms. In the third O site, O is bonded to two Sr, two Ca, and two Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with twelve OSr2Ca2FeCo octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 3–62°. In the fourth O site, O is bonded to two Sr, two Ca, and two Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with two equivalent OSr2Ca2Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–64°. In the fifth O site, O is bonded to three Sr, one Ca, one Fe, and one Co atom to form distorted OSr3CaFeCo octahedra that share corners with eighteen OSr2Ca2FeCo octahedra, edges with four OSr3CaCo2 octahedra, and faces with five OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–64°. In the sixth O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2Co2 octahedra, edges with four OSr3CaFeCo octahedra, and faces with five OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–63°. In the seventh O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with four OSr3CaFeCo octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–63°. In the eighth O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with four OSr3CaCo2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–63°. In the ninth O site, O is bonded to four Sr, one Fe, and one Co atom to form distorted OSr4FeCo octahedra that share corners with sixteen OSr2Ca2Co2 octahedra, edges with four equivalent OSr4Co2 octahedra, and faces with eight OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 3–62°. In the tenth O site, O is bonded to four Sr and two Co atoms to form distorted OSr4Co2 octahedra that share corners with eighteen OSr2Ca2FeCo octahedra, edges with four OSr4FeCo octahedra, and faces with seven OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 4–64°. In the eleventh O site, O is bonded in a distorted linear geometry to one Sr, three Ca, one Fe, and one Co atom. In the twelfth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Co atoms. In the thirteenth O site, O is bonded to four Sr and two Co atoms to form distorted OSr4Co2 octahedra that share corners with twenty OSr2Ca2FeCo octahedra, edges with four equivalent OSr4Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 3–64°. In the fourteenth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Co atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr5Ca3Fe7CoO24 by Materials Project

Sr5Ca3Fe7CoO24 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, a faceface with one CoO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.73–2.79 Å. In the second Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, a faceface with one CoO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.78 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, a faceface with one CoO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.79 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one CoO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.73–2.78 Å. There are two inequivalent Ca sites. In the first Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, a faceface with one CoO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.69–2.75 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one CoO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.70–2.72 Å. There are five inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–1.96 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four equivalent FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–2.00 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.92–2.01 Å. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.92–1.95 Å. In the fifth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–1.96 Å. Co is bonded to six O atoms to form CoO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.87–1.91 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the second O site, O is bonded to two Sr, two Ca, and two Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with ten OSr3CaFe2 octahedra and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the third O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the fourth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, one Fe, and one Co atom. In the fifth O site, O is bonded to three Sr, one Ca, and two Fe atoms to form distorted OSr3CaFe2 octahedra that share corners with twelve OSr3CaFe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the sixth O site, O is bonded to three Sr, one Ca, and two Fe atoms to form distorted OSr3CaFe2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 0–62°. In the seventh O site, O is bonded to three Sr, one Ca, and two Fe atoms to form distorted OSr3CaFe2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with four OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the eighth O site, O is bonded to three Sr, one Ca, one Fe, and one Co atom to form distorted OSr3CaFeCo octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with four OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the ninth O site, O is bonded to four Sr and two Fe atoms to form distorted OSr4Fe2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr4FeCo octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the tenth O site, O is bonded to four Sr, one Fe, and one Co atom to form distorted OSr4FeCo octahedra that share corners with twelve OSr3CaFe2 octahedra, edges with four equivalent OSr4Fe2 octahedra, and faces with six OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the eleventh O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Fe atoms. In the twelfth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, one Fe, and one Co atom. In the thirteenth O site, O is bonded to four Sr and two Fe atoms to form distorted OSr4Fe2 octahedra that share corners with sixteen OSr2Ca2Fe2 octahedra, edges with four equivalent OSr4Fe2 octahedra, and faces with four OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the fourteenth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Fe atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr5Ca3MnFe7O24 by Materials Project

Sr5Ca3MnFe7O24 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, a faceface with one MnO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.79 Å. In the second Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, a faceface with one MnO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.78 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, a faceface with one MnO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.79 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one MnO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.78 Å. There are two inequivalent Ca sites. In the first Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, a faceface with one MnO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.70–2.76 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one MnO6 octahedra, and faces with seven FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.70–2.73 Å. Mn is bonded to six O atoms to form MnO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–O bond distances ranging from 1.91–1.94 Å. There are five inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.92–1.95 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with four equivalent FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.94–1.97 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with four FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.94–1.97 Å. In the fourth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–1.96 Å. In the fifth Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three CaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.92–1.95 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the second O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the third O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the fourth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, one Mn, and one Fe atom. In the fifth O site, O is bonded to three Sr, one Ca, and two Fe atoms to form a mixture of distorted corner, edge, and face-sharing OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 60–61°. In the sixth O site, O is bonded to three Sr, one Ca, and two Fe atoms to form a mixture of distorted corner, edge, and face-sharing OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the seventh O site, O is bonded to three Sr, one Ca, and two Fe atoms to form a mixture of distorted corner, edge, and face-sharing OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the eighth O site, O is bonded in a distorted linear geometry to three Sr, one Ca, one Mn, and one Fe atom. In the ninth O site, O is bonded to four Sr and two Fe atoms to form distorted OSr4Fe2 octahedra that share corners with ten OSr3CaFe2 octahedra, edges with four OSr4MnFe octahedra, and faces with three OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the tenth O site, O is bonded to four Sr, one Mn, and one Fe atom to form distorted OSr4MnFe octahedra that share corners with twelve OSr3CaFe2 octahedra, edges with four equivalent OSr4Fe2 octahedra, and faces with two equivalent OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°. In the eleventh O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Fe atoms. In the twelfth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, one Mn, and one Fe atom. In the thirteenth O site, O is bonded to four Sr and two Fe atoms to form distorted OSr4Fe2 octahedra that share corners with eight OSr3CaFe2 octahedra, edges with four equivalent OSr4Fe2 octahedra, and faces with four OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the fourteenth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Fe atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Sr5Co4(CuO6)4 by Materials Project

Ba3Sr5Co4(CuO6)4 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm 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 BaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent BaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CuO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.78–2.86 Å. In the second Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CuO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.85–2.87 Å. There are four inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent BaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CuO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.67–2.85 Å. In the second Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent BaO12 cuboctahedra, faces with two equivalent BaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CuO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.69–2.86 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent BaO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CuO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.67–2.83 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CuO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.69–2.83 Å. There are three inequivalent Co sites. In the first Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four CuO6 octahedra, faces with three BaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Co–O bond distances ranging from 1.84–2.10 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four equivalent CuO6 octahedra, faces with three BaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Co–O bond distances ranging from 1.82–2.00 Å. In the third Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three BaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.88–2.15 Å. There are three inequivalent Cu sites. In the first Cu site, Cu is bonded to six O atoms to form CuO6 octahedra that share corners with six CuO6 octahedra, faces with three BaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 2–6°. There are a spread of Cu–O bond distances ranging from 1.95–2.00 Å. In the second Cu site, Cu is bonded to six O atoms to form CuO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four CoO6 octahedra, faces with three BaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–6°. There are a spread of Cu–O bond distances ranging from 1.97–2.08 Å. In the third Cu site, Cu is bonded to six O atoms to form CuO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four equivalent CoO6 octahedra, faces with three BaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Cu–O bond distances ranging from 1.94–2.00 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded to two Ba, two Sr, and two Cu atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with sixteen OBa2Sr2CoCu octahedra, edges with four OBa2Sr2CoCu octahedra, and faces with six OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 3–64°. In the second O site, O is bonded to two Ba, two Sr, one Co, and one Cu atom to form distorted OBa2Sr2CoCu octahedra that share corners with sixteen OBa2Sr2CoCu octahedra, edges with four OBa2Sr2Cu2 octahedra, and faces with six OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 1–65°. In the third O site, O is bonded to two Ba, two Sr, one Co, and one Cu atom to form distorted OBa2Sr2CoCu octahedra that share corners with eighteen OBa2Sr2Cu2 octahedra, edges with four OBa2Sr2Cu2 octahedra, and faces with five OBa2Sr2CoCu octahedra. The corner-sharing octahedra tilt angles range from 1–63°. In the fourth O site, O is bonded to two Ba, two Sr, and two Co atoms to form distorted OBa2Sr2Co2 octahedra that share corners with sixteen OBa2Sr2Cu2 octahedra, edges with four OBa2Sr2CoCu octahedra, and faces with five OBa2Sr2CoCu octahedra. The corner-sharing octahedra tilt angles range from 3–65°. In the fifth O site, O is bonded to one Ba, three Sr, and two Cu atoms to form distorted OBaSr3Cu2 octahedra that share corners with twelve OBa2Sr2Cu2 octahedra, edges with four OBaSr3CoCu octahedra, and faces with six OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 5–64°. In the sixth O site, O is bonded to one Ba, three Sr, one Co, and one Cu atom to form distorted OBaSr3CoCu octahedra that share corners with sixteen OBa2Sr2CoCu octahedra, edges with two equivalent OBaSr3Cu2 octahedra, and faces with six OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 1–65°. In the seventh O site, O is bonded to one Ba, three Sr, one Co, and one Cu atom to form distorted OBaSr3CoCu octahedra that share corners with eighteen OBa2Sr2Cu2 octahedra, edges with two equivalent OBaSr3Cu2 octahedra, and faces with five OBa2Sr2CoCu octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the eighth O site, O is bonded in a distorted linear geometry to one Ba, three Sr, and two Co atoms. In the ninth O site, O is bonded in a distorted linear geometry to four Sr and two Cu atoms. In the tenth O site, O is bonded in a distorted linear geometry to four Sr, one Co, and one Cu atom. In the eleventh O site, O is bonded to three Ba, one Sr, and two Cu atoms to form distorted OBa3SrCu2 octahedra that share corners with sixteen OBa2Sr2CoCu octahedra, edges with four equivalent OBa3SrCoCu octahedra, and faces with eight OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–61°. In the twelfth O site, O is bonded to three Ba, one Sr, one Co, and one Cu atom to form distorted OBa3SrCoCu octahedra that share corners with eighteen OBa2Sr2Cu2 octahedra, edges with four OBa3SrCu2 octahedra, and faces with seven OBa2Sr2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 5–65°. In the thirteenth O site, O is bonded in a distorted linear geometry to four Sr and two Co atoms. In the fourteenth O site, O is bonded to three Ba, one Sr, and two Co atoms to form distorted OBa3SrCo2 octahedra that share corners with twenty OBa2Sr2Cu2 octahedra, edges with four equivalent OBa3SrCoCu octahedra, and faces with six OBa2Sr2CoCu octahedra. The corner-sharing octahedra tilt angles range from 2–64°.

36 MATERIALS SCIENCE↗

Materials Data on Sr2Mg by Materials Project

Sr2Mg1 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are four inequivalent Sr sites. In the first Sr site, Sr is bonded to ten Sr and two equivalent Mg atoms to form distorted SrSr10Mg2 cuboctahedra that share corners with eighteen SrSr10Mg2 cuboctahedra, edges with ten SrSr8Mg4 cuboctahedra, and faces with twelve SrSr10Mg2 cuboctahedra. There are a spread of Sr–Sr bond distances ranging from 3.86–4.17 Å. Both Sr–Mg bond lengths are 3.81 Å. In the second Sr site, Sr is bonded to eight Sr and four equivalent Mg atoms to form a mixture of distorted corner, edge, and face-sharing SrSr8Mg4 cuboctahedra. There are a spread of Sr–Sr bond distances ranging from 3.89–4.17 Å. All Sr–Mg bond lengths are 3.86 Å. In the third Sr site, Sr is bonded to six Sr and six Mg atoms to form a mixture of distorted corner, edge, and face-sharing SrSr6Mg6 cuboctahedra. Both Sr–Sr bond lengths are 4.17 Å. There are two shorter (3.84 Å) and four longer (3.87 Å) Sr–Mg bond lengths. In the fourth Sr site, Sr is bonded to eight Sr and four Mg atoms to form distorted SrSr8Mg4 cuboctahedra that share corners with six equivalent SrSr8Mg4 cuboctahedra, edges with twelve SrSr10Mg2 cuboctahedra, and faces with sixteen SrSr10Mg2 cuboctahedra. Both Sr–Sr bond lengths are 4.17 Å. There are two shorter (3.97 Å) and two longer (4.00 Å) Sr–Mg bond lengths. There are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a 8-coordinate geometry to eight Sr atoms. In the second Mg site, Mg is bonded in a 8-coordinate geometry to eight Sr atoms.

36 MATERIALS SCIENCE↗

Materials Data on SrCd6 by Materials Project

SrCd6 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Sr sites. In the first Sr site, Sr is bonded in a 12-coordinate geometry to seventeen Cd atoms. There are a spread of Sr–Cd bond distances ranging from 3.43–3.84 Å. In the second Sr site, Sr is bonded in a 2-coordinate geometry to sixteen Cd atoms. There are a spread of Sr–Cd bond distances ranging from 3.39–3.81 Å. In the third Sr site, Sr is bonded in a 4-coordinate geometry to sixteen Cd atoms. There are a spread of Sr–Cd bond distances ranging from 3.38–3.83 Å. There are seventeen inequivalent Cd sites. In the first Cd site, Cd is bonded in a 10-coordinate geometry to three Sr and seven Cd atoms. There are a spread of Cd–Cd bond distances ranging from 2.85–3.26 Å. In the second Cd site, Cd is bonded in a 10-coordinate geometry to three Sr and seven Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.03–3.22 Å. In the third Cd site, Cd is bonded in a distorted q6 geometry to three Sr and six Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.06–3.12 Å. In the fourth Cd site, Cd is bonded in a 2-coordinate geometry to two equivalent Sr and nine Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.01–3.47 Å. In the fifth Cd site, Cd is bonded in a 10-coordinate geometry to three Sr and seven Cd atoms. There are a spread of Cd–Cd bond distances ranging from 2.99–3.18 Å. In the sixth Cd site, Cd is bonded in a 11-coordinate geometry to three Sr and eight Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.04–3.25 Å. In the seventh Cd site, Cd is bonded to two equivalent Sr and ten Cd atoms to form CdSr2Cd10 cuboctahedra that share corners with four CdSr2Cd10 cuboctahedra, an edgeedge with one CdSr2Cd10 cuboctahedra, and faces with six CdSr3Cd9 cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.91–3.39 Å. In the eighth Cd site, Cd is bonded to three Sr and nine Cd atoms to form a mixture of face and edge-sharing CdSr3Cd9 cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.95–3.18 Å. In the ninth Cd site, Cd is bonded in a 8-coordinate geometry to one Sr and seven Cd atoms. There are a spread of Cd–Cd bond distances ranging from 2.83–3.11 Å. In the tenth Cd site, Cd is bonded to three Sr and nine Cd atoms to form a mixture of face and edge-sharing CdSr3Cd9 cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.96–3.31 Å. In the eleventh Cd site, Cd is bonded to three Sr and nine Cd atoms to form a mixture of face and edge-sharing CdSr3Cd9 cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.91–3.30 Å. In the twelfth Cd site, Cd is bonded to two equivalent Sr and ten Cd atoms to form distorted CdSr2Cd10 cuboctahedra that share corners with four CdSr2Cd10 cuboctahedra, an edgeedge with one CdSr2Cd10 cuboctahedra, and faces with six CdSr3Cd9 cuboctahedra. There are four shorter (3.22 Å) and two longer (3.33 Å) Cd–Cd bond lengths. In the thirteenth Cd site, Cd is bonded in a 10-coordinate geometry to three Sr and seven Cd atoms. The Cd–Cd bond length is 3.10 Å. In the fourteenth Cd site, Cd is bonded in a 11-coordinate geometry to two equivalent Sr and nine Cd atoms. The Cd–Cd bond length is 2.86 Å. In the fifteenth Cd site, Cd is bonded to two equivalent Sr and ten Cd atoms to form distorted CdSr2Cd10 cuboctahedra that share corners with four CdSr2Cd10 cuboctahedra, an edgeedge with one CdSr2Cd10 cuboctahedra, and faces with six CdSr3Cd9 cuboctahedra. In the sixteenth Cd site, Cd is bonded in a 11-coordinate geometry to two equivalent Sr and nine Cd atoms. The Cd–Cd bond length is 3.02 Å. In the seventeenth Cd site, Cd is bonded in a 10-coordinate geometry to three Sr and seven Cd atoms.

36 MATERIALS SCIENCE↗

Materials Data on SrZnBi2 by Materials Project

SrZnBi2 is Parent of FeAs superconductors-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are three inequivalent Sr sites. In the first Sr site, Sr is bonded to four Zn and eight Bi atoms to form distorted SrZn4Bi8 cuboctahedra that share corners with eight equivalent SrZn4Bi8 cuboctahedra, corners with eight ZnSr4Bi4 tetrahedra, edges with four equivalent SrZn4Bi8 cuboctahedra, edges with four ZnSr4Bi4 tetrahedra, and faces with five equivalent SrZn4Bi8 cuboctahedra. All Sr–Zn bond lengths are 3.73 Å. There are four shorter (3.47 Å) and four longer (3.59 Å) Sr–Bi bond lengths. In the second Sr site, Sr is bonded to four Zn and eight Bi atoms to form distorted SrZn4Bi8 cuboctahedra that share corners with eight SrZn4Bi8 cuboctahedra, corners with eight ZnSr4Bi4 tetrahedra, edges with four equivalent SrZn4Bi8 cuboctahedra, edges with four ZnSr4Bi4 tetrahedra, and faces with five SrZn4Bi8 cuboctahedra. All Sr–Zn bond lengths are 3.73 Å. There are four shorter (3.47 Å) and four longer (3.59 Å) Sr–Bi bond lengths. In the third Sr site, Sr is bonded to four Zn and eight Bi atoms to form distorted SrZn4Bi8 cuboctahedra that share corners with eight SrZn4Bi8 cuboctahedra, corners with eight ZnSr4Bi4 tetrahedra, edges with four equivalent SrZn4Bi8 cuboctahedra, edges with four ZnSr4Bi4 tetrahedra, and faces with five SrZn4Bi8 cuboctahedra. All Sr–Zn bond lengths are 3.73 Å. There are four shorter (3.47 Å) and four longer (3.59 Å) Sr–Bi bond lengths. There are four inequivalent Zn sites. In the first Zn site, Zn is bonded to four Sr and four Bi atoms to form distorted ZnSr4Bi4 tetrahedra that share corners with eight SrZn4Bi8 cuboctahedra, edges with four SrZn4Bi8 cuboctahedra, edges with four equivalent ZnSr4Bi4 tetrahedra, and faces with four equivalent ZnSr4Bi4 tetrahedra. All Zn–Bi bond lengths are 2.92 Å. In the second Zn site, Zn is bonded to four Sr and four Bi atoms to form distorted ZnSr4Bi4 tetrahedra that share corners with eight SrZn4Bi8 cuboctahedra, edges with four SrZn4Bi8 cuboctahedra, edges with four equivalent ZnSr4Bi4 tetrahedra, and faces with four equivalent ZnSr4Bi4 tetrahedra. All Zn–Bi bond lengths are 2.92 Å. In the third Zn site, Zn is bonded to four Sr and four Bi atoms to form distorted ZnSr4Bi4 tetrahedra that share corners with eight SrZn4Bi8 cuboctahedra, edges with four SrZn4Bi8 cuboctahedra, edges with four equivalent ZnSr4Bi4 tetrahedra, and faces with four equivalent ZnSr4Bi4 tetrahedra. Both Zn–Sr bond lengths are 3.73 Å. All Zn–Bi bond lengths are 2.92 Å. In the fourth Zn site, Zn is bonded to four Sr and four Bi atoms to form distorted ZnSr4Bi4 tetrahedra that share corners with eight SrZn4Bi8 cuboctahedra, edges with four SrZn4Bi8 cuboctahedra, edges with four equivalent ZnSr4Bi4 tetrahedra, and faces with four equivalent ZnSr4Bi4 tetrahedra. Both Zn–Sr bond lengths are 3.73 Å. All Zn–Bi bond lengths are 2.92 Å. There are seven inequivalent Bi sites. In the first Bi site, Bi is bonded in a 8-coordinate geometry to four equivalent Sr and four Zn atoms. In the second Bi site, Bi is bonded in a 8-coordinate geometry to four equivalent Sr and four Zn atoms. In the third Bi site, Bi is bonded in a distorted body-centered cubic geometry to four Sr and four equivalent Bi atoms. All Bi–Bi bond lengths are 3.28 Å. In the fourth Bi site, Bi is bonded in a distorted body-centered cubic geometry to four Sr and four equivalent Bi atoms. In the fifth Bi site, Bi is bonded in a 8-coordinate geometry to four equivalent Sr and four Zn atoms. In the sixth Bi site, Bi is bonded in a 8-coordinate geometry to four equivalent Sr and four equivalent Bi atoms. All Bi–Bi bond lengths are 3.28 Å. In the seventh Bi site, Bi is bonded in a distorted body-centered cubic geometry to four equivalent Sr and four equivalent Bi atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr3La21Zn2(Cu5O24)2 by Materials Project

Sr3La21Zn2(Cu5O24)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are three inequivalent Sr sites. In the first Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.44–3.03 Å. In the second Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.01 Å. In the third Sr site, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.96 Å. There are twenty-one inequivalent La sites. In the first La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.25–3.14 Å. In the second La site, La is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.46–3.24 Å. In the third La site, La is bonded in a 4-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.31–3.20 Å. In the fourth La site, La is bonded in a 2-coordinate geometry to eight O atoms. There are a spread of La–O bond distances ranging from 2.34–2.76 Å. In the fifth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.27–3.27 Å. In the sixth La site, La is bonded in a 9-coordinate geometry to eight O atoms. There are a spread of La–O bond distances ranging from 2.37–2.79 Å. In the seventh La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.26–3.27 Å. In the eighth La site, La is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of La–O bond distances ranging from 2.39–2.76 Å. In the ninth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.28–3.18 Å. In the tenth La site, La is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.32–3.20 Å. In the eleventh La site, La is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.34–3.20 Å. In the twelfth La site, La is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of La–O bond distances ranging from 2.39–2.80 Å. In the thirteenth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.25–3.12 Å. In the fourteenth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.27–3.16 Å. In the fifteenth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.32–3.21 Å. In the sixteenth La site, La is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.36–3.22 Å. In the seventeenth La site, La is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.33–3.10 Å. In the eighteenth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.36–3.22 Å. In the nineteenth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.31–3.20 Å. In the twentieth La site, La is bonded in a 2-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.30–3.26 Å. In the twenty-first La site, La is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of La–O bond distances ranging from 2.34–3.19 Å. There are ten inequivalent Cu sites. In the first Cu site, Cu is bonded to six O atoms to form distorted CuO6 octahedra that share corners with four equivalent ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 7–13°. There are a spread of Cu–O bond distances ranging from 1.89–2.51 Å. In the second Cu site, Cu is bonded to six O atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 4–11°. There are a spread of Cu–O bond distances ranging from 1.93–2.47 Å. In the third Cu site, Cu is bonded to six O atoms to form distorted CuO6 octahedra that share corners with four equivalent ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 3–18°. There are a spread of Cu–O bond distances ranging from 1.90–2.56 Å. In the fourth Cu site, Cu is bonded to six O atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 4–11°. There are a spread of Cu–O bond distances ranging from 1.93–2.51 Å. In the fifth Cu site, Cu is bonded to six O atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 7–11°. There are a spread of Cu–O bond distances ranging from 1.95–2.46 Å. In the sixth Cu site, Cu is bonded to six O atoms to form distorted corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Cu–O bond distances ranging from 1.94–2.53 Å. In the seventh Cu site, Cu is bonded to six O atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 5–10°. There are a spread of Cu–O bond distances ranging from 1.95–2.44 Å. In the eighth Cu site, Cu is bonded to six O atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 7–11°. There are a spread of Cu–O bond distances ranging from 1.92–2.44 Å. In the ninth Cu site, Cu is bonded to six O atoms to form distorted corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Cu–O bond distances ranging from 1.93–2.53 Å. In the tenth Cu site, Cu is bonded to six O atoms to form distorted corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 5–10°. There are a spread of Cu–O bond distances ranging from 1.91–2.48 Å. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded to six O atoms to form ZnO6 octahedra that share corners with four equivalent CuO6 octahedra. The corner-sharing octahedra tilt angles range from 7–13°. There are a spread of Zn–O bond distances ranging from 1.98–2.44 Å. In the second Zn site, Zn is bonded to six O atoms to form distorted ZnO6 octahedra that share corners with four equivalent CuO6 octahedra. The corner-sharing octahedra tilt angles range from 3–18°. There are a spread of Zn–O bond distances ranging from 1.98–2.52 Å. There are forty-eight inequivalent O sites. In the first O site, O is bonded in a 6-coordinate geometry to one Sr, three La, and two Cu atoms. In the second O site, O is bonded in a 6-coordinate geometry to five La and one Zn atom. In the third O site, O is bonded in a 2-coordinate geometry to five La and one Cu atom. In the fourth O site, O is bonded in a 6-coordinate geometry to four La, one Cu, and one Zn atom. In the fifth O site, O is bonded to four La, one Cu, and one Zn atom to form distorted face-sharing OLa4ZnCu octahedra. In the sixth O site, O is bonded in a 6-coordinate geometry to one Sr, three La, and two Cu atoms. In the seventh O site, O is bonded in a 2-coordinate geometry to five La and one Zn atom. In the eighth O site, O is bonded in a 2-coordinate geometry to four La and one Cu atom. In the ninth O site, O is bonded in a 5-coordinate geometry to five La and one Cu atom. In the tenth O site, O is bonded in a 2-coordinate geometry to four La and one Cu atom. In the eleventh O site, O is bonded to four La, one Cu, and one Zn atom to form distorted face-sharing OLa4ZnCu octahedra. In the twelfth O site, O is bonded in a 6-coordinate geometry to four La, one Cu, and one Zn atom. In the thirteenth O site, O is bonded in a 6-coordinate geometry to four La, one Cu, and one Zn atom. In the fourteenth O site, O is bonded to four La, one Cu, and one Zn atom to form distorted face-sharing OLa4ZnCu octahedra. In the fifteenth O site, O is bonded in a 6-coordinate geometry to two equivalent Sr, three La, and one Cu atom. In the sixteenth O site, O is bonded in a 5-coordinate geometry to one Sr, four La, and one Cu atom. In the seventeenth O site, O is bonded in a 2-coordinate geometry to four La and one Cu atom. In the eighteenth O site, O is bonded in a 5-coordinate geometry to five La and one Zn atom. In the nineteenth O site, O is bonded to one Sr, three La, and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. In the twentieth O site, O is bonded to one Sr, three La, and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. In the twenty-first O site, O is bonded to four La, one Cu, and one Zn atom to form distorted face-sharing OLa4ZnCu octahedra. In the twenty-second O site, O is bonded in a 6-coordinate geometry to four La, one Cu, and one Zn atom. In the twenty-third O site, O is bonded in a 5-coordinate geometry to five La and one Cu atom. In the twenty-fourth O site, O is bonded in a 6-coordinate geometry to five La and one Cu atom. In the twenty-fifth O site, O is bonded in a 5-coordinate geometry to two equivalent Sr, two La, and one Cu atom. In the twenty-sixth O site, O is bonded in a 6-coordinate geometry to five La and one Zn atom. In the twenty-seventh O site, O is bonded to four La and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OLa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the twenty-eighth O site, O is bonded to four La and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OLa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the twenty-ninth O site, O is bonded to one Sr, three La, and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. In the thirtieth O site, O is bonded to one Sr, three La, and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. In the thirty-first O site, O is bonded in a 6-coordinate geometry to two equivalent Sr, three La, and one Cu atom. In the thirty-second O site, O is bonded in a 6-coordinate geometry to one Sr, four La, and one Cu atom. In the thirty-third O site, O is bonded in a 5-coordinate geometry to five La and one Cu atom. In the thirty-fourth O site, O is bonded in a 5-coordinate geometry to five La and one Cu atom. In the thirty-fifth O site, O is bonded to one Sr, three La, and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–5°. In the thirty-sixth O site, O is bonded to one Sr, three La, and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–5°. In the thirty-seventh O site, O is bonded to four La and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OLa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the thirty-eighth O site, O is bonded to four La and two Cu atoms to form a mixture of distorted corner, edge, and face-sharing OLa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the thirty-ninth O site, O is bonded in a 6-coordinate geometry to two equivalent Sr, three La, and one Cu atom. In the fortieth O site, O is bonded in a 6-coordinate geometry to one Sr, four La, and one Cu atom. In the forty-first O site, O is bonded in a 5-coordinate geometry to two equivalent Sr, three

36 MATERIALS SCIENCE↗

Materials Data on Sr10Al4Si6O by Materials Project

Sr10Al4Si6O crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are five inequivalent Sr sites. In the first Sr site, Sr is bonded in a distorted single-bond geometry to five Si and one O atom. There are four shorter (3.42 Å) and one longer (3.66 Å) Sr–Si bond lengths. The Sr–O bond length is 2.89 Å. In the second Sr site, Sr is bonded in a single-bond geometry to four equivalent Al, four equivalent Si, and one O atom. All Sr–Al bond lengths are 3.44 Å. All Sr–Si bond lengths are 3.44 Å. The Sr–O bond length is 2.50 Å. In the third Sr site, Sr is bonded in a 7-coordinate geometry to two equivalent Al and five Si atoms. Both Sr–Al bond lengths are 3.32 Å. There are a spread of Sr–Si bond distances ranging from 3.24–3.41 Å. In the fourth Sr site, Sr is bonded in a linear geometry to four equivalent Si and two equivalent O atoms. All Sr–Si bond lengths are 3.41 Å. Both Sr–O bond lengths are 2.42 Å. In the fifth Sr site, Sr is bonded to eight equivalent Al and four equivalent Si atoms to form face-sharing SrAl8Si4 cuboctahedra. All Sr–Al bond lengths are 3.46 Å. All Sr–Si bond lengths are 3.62 Å. Al is bonded in a distorted bent 120 degrees geometry to six Sr, one Al, and two Si atoms. The Al–Al bond length is 2.61 Å. There are one shorter (2.47 Å) and one longer (2.52 Å) Al–Si bond lengths. There are two inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to eight Sr and one Al atom. In the second Si site, Si is bonded in a 2-coordinate geometry to seven Sr and two equivalent Al atoms. O is bonded to six Sr atoms to form corner-sharing OSr6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗

Materials Data on Sr11(MgSi5)2 by Materials Project

Sr11(MgSi5)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are six inequivalent Sr sites. In the first Sr site, Sr is bonded in a 7-coordinate geometry to seven Si atoms. There are a spread of Sr–Si bond distances ranging from 3.24–3.34 Å. In the second Sr site, Sr is bonded in a 5-coordinate geometry to five Si atoms. There are a spread of Sr–Si bond distances ranging from 3.36–3.53 Å. In the third Sr site, Sr is bonded in a 5-coordinate geometry to seven Si atoms. There are a spread of Sr–Si bond distances ranging from 3.18–3.31 Å. In the fourth Sr site, Sr is bonded in a 7-coordinate geometry to seven Si atoms. There are a spread of Sr–Si bond distances ranging from 3.24–3.43 Å. In the fifth Sr site, Sr is bonded in a 6-coordinate geometry to three equivalent Mg and six Si atoms. There are one shorter (3.44 Å) and two longer (3.50 Å) Sr–Mg bond lengths. There are a spread of Sr–Si bond distances ranging from 3.24–3.45 Å. In the sixth Sr site, Sr is bonded in a square co-planar geometry to four Si atoms. There are two shorter (3.35 Å) and two longer (3.38 Å) Sr–Si bond lengths. Mg is bonded to three equivalent Sr and four Si atoms to form a mixture of distorted edge and face-sharing MgSr3Si4 tetrahedra. There are a spread of Mg–Si bond distances ranging from 2.81–2.94 Å. There are five inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to seven Sr and two Si atoms. There are one shorter (2.46 Å) and one longer (2.47 Å) Si–Si bond lengths. In the second Si site, Si is bonded in a 9-coordinate geometry to eight Sr and one Si atom. The Si–Si bond length is 2.46 Å. In the third Si site, Si is bonded in a 9-coordinate geometry to six Sr, one Mg, and two Si atoms. In the fourth Si site, Si is bonded in a 9-coordinate geometry to seven Sr and two Si atoms. The Si–Si bond length is 2.47 Å. In the fifth Si site, Si is bonded in a 9-coordinate geometry to six Sr and three equivalent Mg atoms.

36 MATERIALS SCIENCE↗