DOI: 10.17188/1476037
title: Materials Data on Sr7CaTi7MnO20 by Materials Project

description: Sr7CaTi7MnO20 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 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.15 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 2.41–3.09 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 2.54–3.01 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 2.55–2.95 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 2.51–2.90 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.62–3.12 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 2.37–3.18 Å. In the 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 2.57–3.04 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 2.49–2.86 Å. In the tenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.65–3.26 Å. In the eleventh 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 2.51–2.99 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 2.64–2.99 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 2.51–3.06 Å. In the fourteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–3.09 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 2.38–3.14 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 2.50–2.88 Å. In the seventeenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.59–3.09 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 2.52–3.15 Å. In the nineteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.59–3.21 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 2.57–3.07 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 2.60–3.00 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 2.47–3.17 Å. In the twenty-third Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.64–3.11 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 2.39–3.16 Å. In the twenty-fifth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.60–3.06 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 2.52–3.03 Å. In the twenty-seventh Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.66–3.13 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 2.50–2.89 Å. There are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.44–2.74 Å. In the second Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.39–2.95 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 2.47–2.84 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.46–2.84 Å. There are twenty-eight inequivalent Ti+3.14+ sites. In the first Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and corners with two TiO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 7–15°. There are a spread of Ti–O bond distances ranging from 1.99–2.17 Å. In the second Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one TiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Ti–O bond distances ranging from 1.98–2.36 Å. In the third Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one TiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–10°. There are a spread of Ti–O bond distances ranging from 1.99–2.33 Å. In the fourth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one TiO4 trigonal pyramid, and a cornercorner with one MnO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–10°. There are a spread of Ti–O bond distances ranging from 2.00–2.07 Å. In the fifth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one MnO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 7–12°. There are a spread of Ti–O bond distances ranging from 1.97–2.05 Å. In the sixth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one TiO4 tetrahedra, and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–8°. There are a spread of Ti–O bond distances ranging from 1.99–2.17 Å. In the seventh Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one MnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 4–9°. There are a spread of Ti–O bond distances ranging from 1.98–2.03 Å. In the eighth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one MnO4 tetrahedra, and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–12°. There are a spread of Ti–O bond distances ranging from 1.95–2.12 Å. In the ninth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one TiO4 tetrahedra, and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–15°. There are a spread of Ti–O bond distances ranging from 1.96–2.38 Å. In the tenth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one MnO4 tetrahedra, and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–7°. There are a spread of Ti–O bond distances ranging from 1.97–2.15 Å. In the eleventh Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one TiO4 trigonal pyramid, and a cornercorner with one MnO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 6–11°. There are a spread of Ti–O bond distances ranging from 2.00–2.04 Å. In the twelfth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one MnO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 5–12°. There are a spread of Ti–O bond distances ranging from 2.00–2.05 Å. In the thirteenth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, a cornercorner with one TiO4 tetrahedra, and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–9°. There are a spread of Ti–O bond distances ranging from 2.00–2.16 Å. In the fourteenth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one TiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Ti–O bond distances ranging from 1.98–2.35 Å. In the fifteenth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one MnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 4–12°. There are a spread of Ti–O bond distances ranging from 1.97–2.04 Å. In the sixteenth Ti+3.14+ site, Ti+3.14+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 6–8°. There are a spread of Ti–O bond distances ranging from 2.00–2.16 Å. In the seventeenth Ti+3.14+ site, Ti+3.14+ is bonded to four O2- atoms to form TiO4 trigonal pyramids that share corners with two TiO6 octahedra and a cornercorner with one TiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 17–30°. There are a spread of Ti–O bond distances ranging from 1.85–1.92 Å. In the eighteenth Ti+3.14+ site, Ti+3.14+ is bonded to four O2- atoms to form TiO4 tetrahedra that share corners with two TiO6 octahedra, a cornercorner with one TiO4 trigonal pyramid, and a cornercorner with one MnO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 30–31°. There are a spread of Ti–O bond distances ranging from 1.85–1.87 Å. In the nineteenth Ti+3.14+ site, Ti+3.14+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Ti–O bond distances ranging from 1.92–1.94 Å. In the twentieth Ti+3.14+ site, Ti+3.14+ is bonded in a see-saw-like geometry to four O2- atoms. There are a spread of Ti–O bond distances ranging from 1.90–1.96 Å. In the twenty-first Ti+3.14+ site, Ti+3.14+ is bonded to four O2- atoms to form TiO4 tetrahedra that share corners with two TiO6 octahedra, a cornercorner with one TiO4 trigonal pyramid, and a cornercorner with one MnO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 19–20°. There are a spread of Ti–O bond distances ranging from 1.87–1.93 Å. In the twenty-second Ti+3.14+ site, Ti+3.14+ is bonded in a rectangular see-saw-like geom