Materials Data on Ba12Br3Cl2F19 by Materials Project
Ba12Br3Cl2F19 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are seven inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to two equivalent Cl1- and seven F1- atoms. Both Ba–Cl bond lengths are 3.48 Å. There are a spread of Ba–F bond distances ranging from 2.69–2.78 Å. In the second Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Ba–Br bond lengths are 3.50 Å. There are a spread of Ba–F bond distances ranging from 2.66–2.79 Å. In the third Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to four equivalent Cl1- and five F1- atoms. All Ba–Cl bond lengths are 3.44 Å. There are a spread of Ba–F bond distances ranging from 2.55–2.75 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 5-coordinate geometry to two equivalent Br1-, two equivalent Cl1-, and five F1- atoms. Both Ba–Br bond lengths are 3.47 Å. Both Ba–Cl bond lengths are 3.43 Å. There are a spread of Ba–F bond distances ranging from 2.56–2.77 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Ba–Br bond lengths are 3.42 Å. There are a spread of Ba–F bond distances ranging from 2.61–3.10 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Ba–Br bond lengths are 3.42 Å. There are a spread of Ba–F bond distances ranging from 2.62–3.10 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Ba–Br bond lengths are 3.42 Å. There are a spread of Ba–F bond distances ranging from 2.61–3.10 Å. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to six Ba2+ and eight F1- atoms. There are a spread of Br–F bond distances ranging from 3.49–3.53 Å. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to six Ba2+ and nine F1- atoms. There are a spread of Br–F bond distances ranging from 3.55–3.62 Å. Cl1- is bonded in a 6-coordinate geometry to six Ba2+ and eight F1- atoms. There are a spread of Cl–F bond distances ranging from 3.48–3.53 Å. There are eleven inequivalent F1- sites. In the first F1- site, F1- is bonded to four Ba2+, one Br1-, and two equivalent Cl1- atoms to form FBa4BrCl2 tetrahedra that share corners with eleven FBa4Br3 tetrahedra, edges with four FBa4BrCl2 tetrahedra, and faces with five FBa4BrCl2 tetrahedra. In the second F1- site, F1- is bonded to four Ba2+, one Br1-, and two equivalent Cl1- atoms to form FBa4BrCl2 tetrahedra that share corners with eleven FBa4BrCl2 tetrahedra, edges with four FBa4BrCl2 tetrahedra, and faces with five FBa4Br2 tetrahedra. In the third F1- site, F1- is bonded to four Ba2+ and three Br1- atoms to form distorted FBa4Br3 tetrahedra that share corners with eleven FBa4BrCl2 tetrahedra, edges with four FBa4Br3 tetrahedra, and faces with five FBa4Br2 tetrahedra. In the fourth F1- site, F1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the fifth F1- site, F1- is bonded in a 5-coordinate geometry to five Ba2+ atoms. In the sixth F1- site, F1- is bonded in a trigonal planar geometry to three Ba2+, two equivalent Br1-, and four equivalent Cl1- atoms. In the seventh F1- site, F1- is bonded to four Ba2+, one Br1-, and one Cl1- atom to form a mixture of face and corner-sharing FBa4BrCl tetrahedra. In the eighth F1- site, F1- is bonded to four Ba2+ and two equivalent Cl1- atoms to form a mixture of face and corner-sharing FBa4Cl2 tetrahedra. In the ninth F1- site, F1- is bonded to four Ba2+ and two equivalent Br1- atoms to form FBa4Br2 tetrahedra that share corners with twelve FBa4BrCl2 tetrahedra, edges with five FBa4Br3 tetrahedra, and faces with four FBa4Br2 tetrahedra. In the tenth F1- site, F1- is bonded to four Ba2+ and two equivalent Br1- atoms to form FBa4Br2 tetrahedra that share corners with twelve FBa4BrCl2 tetrahedra, edges with five FBa4BrCl2 tetrahedra, and faces with four FBa4Br2 tetrahedra. In the eleventh F1- site, F1- is bonded to four Ba2+ and two equivalent Br1- atoms to form FBa4Br2 tetrahedra that share corners with twelve FBa4BrCl2 tetrahedra, edges with five FBa4BrCl2 tetrahedra, and faces with four FBa4Br2 tetrahedra.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1745735
- Report Number(s):
- mp-1228710
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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