Materials Data on Er6Ag(GeS7)2 by Materials Project
Er6Ag(GeS7)2 crystallizes in the trigonal P3 space group. The structure is three-dimensional. there are two inequivalent Er3+ sites. In the first Er3+ site, Er3+ is bonded in a 7-coordinate geometry to eight S2- atoms. There are a spread of Er–S bond distances ranging from 2.71–3.35 Å. In the second Er3+ site, Er3+ is bonded in a 7-coordinate geometry to eight S2- atoms. There are a spread of Er–S bond distances ranging from 2.72–3.36 Å. Ag2+ is bonded in an octahedral geometry to six S2- atoms. There are three shorter (2.61 Å) and three longer (2.69 Å) Ag–S bond lengths. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.22 Å) and three longer (2.25 Å) Ge–S bond lengths. In the second Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.22 Å) and three longer (2.24 Å) Ge–S bond lengths. There are six inequivalent S2- sites. In the first S2- site, S2- is bonded in a 4-coordinate geometry to four Er3+ and one Ag2+ atom. In the second S2- site, S2- is bonded in a 4-coordinate geometry to four Er3+ and one Ag2+ atom. In the third S2- site, S2- is bonded in a tetrahedral geometry to three equivalent Er3+ and one Ge4+ atom. In the fourth S2- site, S2- is bonded in a tetrahedral geometry to three equivalent Er3+ and one Ge4+ atom. In the fifth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Er3+ and one Ge4+ atom. In the sixth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Er3+ and one Ge4+ atom.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1744041
- Report Number(s):
- mp-1225741
- Country of Publication:
- United States
- Language:
- English
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