DOI: 10.17188/1476007
title: Materials Data on Ba2Sr6Co5(CuO8)3 by Materials Project

description: Ba2Sr6Co5(CuO8)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic P2 space group. The structure is three-dimensional. Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with three CuO6 octahedra, and faces with five CoO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.76–2.86 Å. There are three inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent BaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, faces with three CuO6 octahedra, and faces with five CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.71–2.80 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 six SrO12 cuboctahedra, faces with three CuO6 octahedra, and faces with five CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.65–2.78 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, faces with three CuO6 octahedra, and faces with five CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.76–2.85 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 CoO6 octahedra, corners with four CuO6 octahedra, faces with two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Co–O bond distances ranging from 1.81–2.05 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four CoO6 octahedra, faces with two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Co–O bond distances ranging from 1.86–2.01 Å. In the third Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four CoO6 octahedra, faces with two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Co–O bond distances ranging from 1.86–2.00 Å. In the fourth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four CoO6 octahedra, faces with two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.82–2.14 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 two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.81–2.08 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 two equivalent CoO6 octahedra, corners with four CuO6 octahedra, faces with two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–6°. There are a spread of Cu–O bond distances ranging from 1.97–2.03 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 two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–6°. There are a spread of Cu–O bond distances ranging from 1.95–2.02 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 CoO6 octahedra, faces with two equivalent BaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Cu–O bond distances ranging from 1.96–2.07 Å. There are sixteen inequivalent O sites. In the first O site, O is bonded in a distorted linear geometry to one Ba, three Sr, one Co, and one Cu atom. In the second O site, O is bonded in a distorted linear geometry to one Ba, three Sr, one Co, and one Cu atom. In the third O site, O is bonded in a distorted linear geometry to one Ba, three Sr, one Co, and one Cu atom. In the fourth O site, O is bonded in a distorted linear geometry to one Ba, three Sr, and two Co atoms. In the fifth O site, O is bonded to four Sr and two Cu atoms to form distorted OSr4Cu2 octahedra that share corners with six OBaSr3Co2 octahedra, edges with two equivalent OSr4CoCu octahedra, and faces with four OBaSr3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–59°. In the sixth O site, O is bonded to four Sr, one Co, and one Cu atom to form distorted OSr4CoCu octahedra that share corners with six OBaSr3Co2 octahedra, edges with two equivalent OSr4Cu2 octahedra, and faces with four OBaSr3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°. In the seventh O site, O is bonded to two equivalent Ba, two equivalent Sr, and two Cu atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with ten OBaSr3Co2 octahedra, edges with four OBa2Sr2CoCu octahedra, and faces with four OBaSr3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the eighth O site, O is bonded to two equivalent Ba, two equivalent Sr, one Co, and one Cu atom to form distorted OBa2Sr2CoCu octahedra that share corners with ten OBaSr3Co2 octahedra, edges with four OBa2Sr2Cu2 octahedra, and faces with four OBaSr3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the ninth O site, O is bonded in a distorted linear geometry to four Sr and two Co atoms. In the tenth O site, O is bonded in a distorted linear geometry to four Sr and two Co atoms. In the eleventh O site, O is bonded to two equivalent Ba, two equivalent Sr, and two Co atoms to form distorted OBa2Sr2Co2 octahedra that share corners with twelve OBaSr3Cu2 octahedra, edges with four OBa2Sr2Cu2 octahedra, and faces with two equivalent OBaSr3Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–63°. In the twelfth O site, O is bonded to two equivalent Ba, two equivalent Sr, and two Co atoms to form distorted OBa2Sr2Co2 octahedra that share corners with twelve OBaSr3Cu2 octahedra, edges with four OBa2Sr2CoCu octahedra, and faces with two equivalent OBaSr3Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the thirteenth O site, O is bonded to one Ba, three Sr, and two Cu atoms to form distorted OBaSr3Cu2 octahedra that share corners with six OBaSr3Cu2 octahedra, edges with four OBaSr3CoCu octahedra, and faces with four OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 5–61°. In the fourteenth 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 ten OBaSr3CoCu octahedra, edges with two equivalent OBaSr3Cu2 octahedra, and faces with four OSr4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–63°. In the fifteenth O site, O is bonded to one Ba, three Sr, and two Co atoms to form distorted OBaSr3Co2 octahedra that share corners with fourteen OBaSr3CoCu octahedra, edges with two equivalent OBaSr3Cu2 octahedra, and faces with two OBa2Sr2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the sixteenth O site, O is bonded in a 6-coordinate geometry to one Ba, three Sr, and two Co atoms.