DOI: 10.17188/1284359
title: Materials Data on Sr16Cu8BC7O40 by Materials Project

description: Sr16Cu8BC7O40 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–3.25 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 2.52–2.69 Å. In the 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 2.53–3.11 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 2.56–2.77 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 2.55–2.84 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–2.84 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–2.96 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–3.18 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 2.51–2.67 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 2.51–3.22 Å. In the eleventh Sr2+ site, Sr2+ is bonded to eight O2- atoms to form distorted SrO8 hexagonal bipyramids that share edges with two CuO5 square pyramids and faces with two CuO5 square pyramids. There are a spread of Sr–O bond distances ranging from 2.54–2.75 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 2.52–2.67 Å. In the thirteenth Sr2+ site, Sr2+ is bonded to eight O2- atoms to form distorted SrO8 hexagonal bipyramids that share edges with two CuO5 square pyramids. There are a spread of Sr–O bond distances ranging from 2.55–2.79 Å. In the fourteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.23 Å. In the fifteenth Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–3.10 Å. In the 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 2.47–2.69 Å. There are eight inequivalent Cu+2.12+ sites. In the first Cu+2.12+ site, Cu+2.12+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with two CuO5 square pyramids and an edgeedge with one SrO8 hexagonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.95–2.62 Å. In the second Cu+2.12+ site, Cu+2.12+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There is two shorter (1.96 Å) and two longer (1.97 Å) Cu–O bond length. In the third Cu+2.12+ site, Cu+2.12+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with four CuO5 square pyramids and an edgeedge with one SrO8 hexagonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.96–2.49 Å. In the fourth Cu+2.12+ site, Cu+2.12+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with two CuO5 square pyramids and a faceface with one SrO8 hexagonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.95–2.63 Å. In the fifth Cu+2.12+ site, Cu+2.12+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with two CuO5 square pyramids and a faceface with one SrO8 hexagonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.95–2.62 Å. In the sixth Cu+2.12+ site, Cu+2.12+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with four CuO5 square pyramids and an edgeedge with one SrO8 hexagonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.96–2.60 Å. In the seventh Cu+2.12+ site, Cu+2.12+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There is three shorter (1.96 Å) and one longer (1.97 Å) Cu–O bond length. In the eighth Cu+2.12+ site, Cu+2.12+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with two CuO5 square pyramids and an edgeedge with one SrO8 hexagonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.95–2.61 Å. B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.39 Å) and one longer (1.40 Å) B–O bond length. There are seven inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.29–1.31 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. In the third C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. In the fourth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. In the fifth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. In the sixth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. In the seventh C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. There are forty inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cu+2.12+ atoms. In the second O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 3°. In the third O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–3°. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the seventh O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+, one Cu+2.12+, and one B3+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+, one Cu+2.12+, and one C4+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one B3+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one B3+ atom. In the twelfth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 3–4°. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the fourteenth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 4°. In the fifteenth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the sixteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cu+2.12+ atoms. In the seventeenth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the eighteenth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the nineteenth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 3–4°. In the twentieth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one C4+ atom. In the twenty-first O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the twenty-second O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+, one Cu+2.12+, and one C4+ atom. In the twenty-third O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+, one Cu+2.12+, and one C4+ atom. In the twenty-fourth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the twenty-fifth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the twenty-eighth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+, one Cu+2.12+, and one C4+ atom. In the twenty-ninth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the thirtieth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the thirty-first O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–3°. In the thirty-second O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one C4+ atom. In the thirty-third O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the thirty-fourth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 3–4°. In the thirty-fifth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Cu+2.12+ atoms. In the thirty-sixth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the thirty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one C4+ atom. In the thirty-eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one C4+ atom. In the thirty-ninth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+, one Cu+2.12+, and one C4+ atom. In the fortieth O2- site, O2- is bonded to four Sr2+ and two Cu+2.12+ atoms to form a mixture of distorted corner, edge, and face-sharing OSr4Cu2 octahedra. The corner-sharing octahedral tilt angles are 2°.