DOI: 10.17188/1747849
title: Materials Data on Ba6Ca6Mg(CO3)13 by Materials Project

description: Ba6Ca6Mg(CO3)13 crystallizes in the trigonal R3 space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.20 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.64–3.19 Å. There are two 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 2.39–2.83 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 2.40–2.82 Å. Mg2+ is bonded in an octahedral geometry to six O2- atoms. There are three shorter (2.09 Å) and three longer (2.11 Å) Mg–O bond lengths. There are five 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 are a spread of C–O bond distances ranging from 1.29–1.31 Å. In the third 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 fourth 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 fifth C4+ site, C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.30 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ca2+, and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Ba2+, one Ca2+, and one C4+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two Ba2+, one Ca2+, and one C4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Ba2+, one Ca2+, and one C4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, two equivalent Ca2+, and one C4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, two equivalent Ca2+, and one C4+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, two equivalent Ca2+, and one C4+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, two equivalent Ca2+, and one C4+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ca2+, and one C4+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ca2+, and one C4+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ba2+, one Mg2+, and one C4+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Mg2+, and one C4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one C4+ atom.