Materials Data on K2(ReSe2)3 by Materials Project
K2(ReSe2)3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six Se2- atoms. There are a spread of K–Se bond distances ranging from 3.30–3.65 Å. In the second K1+ site, K1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of K–Se bond distances ranging from 3.31–3.62 Å. In the third K1+ site, K1+ is bonded in a 7-coordinate geometry to seven Se2- atoms. There are a spread of K–Se bond distances ranging from 3.21–3.73 Å. There are three inequivalent Re+3.33+ sites. In the first Re+3.33+ site, Re+3.33+ is bonded to five Se2- atoms to form edge-sharing ReSe5 square pyramids. There are a spread of Re–Se bond distances ranging from 2.54–2.62 Å. In the second Re+3.33+ site, Re+3.33+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing ReSe5 square pyramids. There are a spread of Re–Se bond distances ranging from 2.52–2.67 Å. In the third Re+3.33+ site, Re+3.33+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing ReSe5 square pyramids. There are a spread of Re–Se bond distances ranging from 2.52–2.67 Å. There are six inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 4-coordinate geometry to one K1+ and three Re+3.33+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to two equivalent K1+ and three Re+3.33+ atoms. In the third Se2- site, Se2- is bonded in a 5-coordinate geometry to two K1+ and three Re+3.33+ atoms. In the fourth Se2- site, Se2- is bonded in a 6-coordinate geometry to three K1+ and three Re+3.33+ atoms. In the fifth Se2- site, Se2- is bonded in a 5-coordinate geometry to three K1+, one Re+3.33+, and one Se2- atom. The Se–Se bond length is 2.47 Å. In the sixth Se2- site, Se2- is bonded in a 5-coordinate geometry to three K1+ and two Re+3.33+ atoms.
- 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:
- 1264935
- Report Number(s):
- mp-541060
- Country of Publication:
- United States
- Language:
- English
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