DOI: 10.17188/1476041
title: Materials Data on Sr7CaFe7CoO20 by Materials Project

description: 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