Materials Data on K4In3Ge20 by Materials Project
K4In3Ge20 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 12-coordinate geometry to four equivalent In and eight equivalent Ge atoms. All K–In bond lengths are 3.95 Å. All K–Ge bond lengths are 3.80 Å. In the second K site, K is bonded in a 8-coordinate geometry to twenty Ge atoms. There are eight shorter (3.55 Å) and twelve longer (3.58 Å) K–Ge bond lengths. In is bonded to four equivalent K and four equivalent Ge atoms to form a mixture of edge and corner-sharing InK4Ge4 tetrahedra. All In–Ge bond lengths are 2.70 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 5-coordinate geometry to one K and four Ge atoms. There are three shorter (2.54 Å) and one longer (2.58 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 1-coordinate geometry to three K, one In, and three Ge atoms. The Ge–Ge bond length is 2.56 Å.
- 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:
- 1279917
- Report Number(s):
- mp-640312
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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