Materials Data on K2O2 by Materials Project
K2O2 is alpha boron-derived structured and crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 6-coordinate geometry to six O atoms. There are four shorter (2.65 Å) and two longer (2.77 Å) K–O bond lengths. In the second K site, K is bonded in a 6-coordinate geometry to six O atoms. There are two shorter (2.74 Å) and four longer (2.89 Å) K–O bond lengths. There are two inequivalent O sites. In the first O site, O is bonded in a 7-coordinate geometry to six K and one O atom. The O–O bond length is 1.53 Å. In the second O site, O is bonded to six K and one O atom to form a mixture of distorted face, edge, and corner-sharing OK6O pentagonal bipyramids. The O–O bond length is 1.54 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:
- 1317425
- Report Number(s):
- mp-998917
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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