Materials Data on La2GeS5 by Materials Project
La2GeS5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 9-coordinate geometry to nine S2- atoms. There are a spread of La–S bond distances ranging from 2.92–3.35 Å. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.86–3.19 Å. Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of Ge–S bond distances ranging from 2.22–2.28 Å. There are five inequivalent S2- sites. In the first S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Ge4+ atom. In the second S2- site, S2- is bonded in a 4-coordinate geometry to three La3+ and one Ge4+ atom. In the third S2- site, S2- is bonded in a 1-coordinate geometry to three La3+ and one Ge4+ atom. In the fourth S2- site, S2- is bonded to four La3+ atoms to form a mixture of distorted corner and edge-sharing SLa4 trigonal pyramids. In the fifth S2- site, S2- is bonded in a 4-coordinate geometry to three La3+ and one Ge4+ atom.
- 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:
- 1278087
- Report Number(s):
- mp-622086
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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