Materials Data on Pb12BrCl7O8 by Materials Project
Pb12O8BrCl7 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are twelve inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2-, one Br1-, and four Cl1- atoms. Both Pb–O bond lengths are 2.30 Å. The Pb–Br bond length is 3.63 Å. There are a spread of Pb–Cl bond distances ranging from 2.98–3.32 Å. In the second Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2- and four Cl1- atoms. Both Pb–O bond lengths are 2.30 Å. There are a spread of Pb–Cl bond distances ranging from 3.00–3.33 Å. In the third Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2-, two equivalent Br1-, and two Cl1- atoms. Both Pb–O bond lengths are 2.31 Å. Both Pb–Br bond lengths are 3.37 Å. There are one shorter (3.02 Å) and one longer (3.20 Å) Pb–Cl bond lengths. In the fourth Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2- and four Cl1- atoms. Both Pb–O bond lengths are 2.30 Å. There are a spread of Pb–Cl bond distances ranging from 3.00–3.32 Å. In the fifth Pb2+ site, Pb2+ is bonded in a distorted L-shaped geometry to two equivalent O2-, one Br1-, and three Cl1- atoms. Both Pb–O bond lengths are 2.25 Å. The Pb–Br bond length is 3.12 Å. There are one shorter (3.13 Å) and two longer (3.63 Å) Pb–Cl bond lengths. In the sixth Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2- and four Cl1- atoms. Both Pb–O bond lengths are 2.25 Å. There are a spread of Pb–Cl bond distances ranging from 2.94–3.61 Å. In the seventh Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2- and four Cl1- atoms. Both Pb–O bond lengths are 2.25 Å. There are a spread of Pb–Cl bond distances ranging from 2.95–3.61 Å. In the eighth Pb2+ site, Pb2+ is bonded in a 2-coordinate geometry to two equivalent O2- and four Cl1- atoms. Both Pb–O bond lengths are 2.25 Å. There are a spread of Pb–Cl bond distances ranging from 2.95–3.61 Å. In the ninth Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to four O2- and three Cl1- atoms. There are two shorter (2.38 Å) and two longer (2.48 Å) Pb–O bond lengths. There are two shorter (3.44 Å) and one longer (3.45 Å) Pb–Cl bond lengths. In the tenth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2-, one Br1-, and two equivalent Cl1- atoms. There are two shorter (2.38 Å) and two longer (2.48 Å) Pb–O bond lengths. The Pb–Br bond length is 3.49 Å. Both Pb–Cl bond lengths are 3.44 Å. In the eleventh Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to four O2- and three Cl1- atoms. There are two shorter (2.38 Å) and two longer (2.48 Å) Pb–O bond lengths. There are two shorter (3.43 Å) and one longer (3.45 Å) Pb–Cl bond lengths. In the twelfth Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to four O2- and three Cl1- atoms. There are two shorter (2.38 Å) and two longer (2.48 Å) Pb–O bond lengths. There are two shorter (3.43 Å) and one longer (3.44 Å) Pb–Cl bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the second O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the fourth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. Br1- is bonded in a 5-coordinate geometry to five Pb2+ and one Cl1- atom. The Br–Cl bond length is 3.81 Å. There are seven inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 8-coordinate geometry to seven Pb2+ and one Br1- atom. In the second Cl1- site, Cl1- is bonded in a 7-coordinate geometry to seven Pb2+ atoms. In the third Cl1- site, Cl1- is bonded in a 7-coordinate geometry to seven Pb2+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 7-coordinate geometry to seven Pb2+ atoms. In the fifth Cl1- site, Cl1- is bonded in a 1-coordinate geometry to four Pb2+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 1-coordinate geometry to four Pb2+ atoms. In the seventh Cl1- site, Cl1- is bonded in a 1-coordinate geometry to four Pb2+ atoms.
- 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:
- 1740548
- Report Number(s):
- mp-1220145
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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