Materials Data on K2HfF6 by Materials Project
K2HfF6 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. K1+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are three shorter (2.64 Å) and six longer (2.83 Å) K–F bond lengths. Hf4+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are three shorter (2.07 Å) and six longer (2.25 Å) Hf–F bond lengths. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded to two equivalent K1+ and two equivalent Hf4+ atoms to form a mixture of distorted edge and corner-sharing FK2Hf2 tetrahedra. In the second F1- site, F1- is bonded in a distorted single-bond geometry to four equivalent K1+ and one Hf4+ 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:
- 1308090
- Report Number(s):
- mp-8415
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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