Materials Data on Tm2B6Os by Materials Project
Tm2OsB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Tm3+ sites. In the first Tm3+ site, Tm3+ is bonded in a 12-coordinate geometry to fourteen B2- atoms. There are a spread of Tm–B bond distances ranging from 2.70–2.79 Å. In the second Tm3+ site, Tm3+ is bonded to twelve B2- atoms to form a mixture of face and edge-sharing TmB12 cuboctahedra. There are a spread of Tm–B bond distances ranging from 2.57–2.60 Å. Os6+ is bonded in a 10-coordinate geometry to ten B2- atoms. There are a spread of Os–B bond distances ranging from 2.33–2.39 Å. There are six inequivalent B2- sites. In the first B2- site, B2- is bonded in a 9-coordinate geometry to four equivalent Tm3+, two equivalent Os6+, and three B2- atoms. There are a spread of B–B bond distances ranging from 1.78–1.81 Å. In the second B2- site, B2- is bonded in a 9-coordinate geometry to four Tm3+, two equivalent Os6+, and three B2- atoms. There is one shorter (1.80 Å) and one longer (1.81 Å) B–B bond length. In the third B2- site, B2- is bonded in a 9-coordinate geometry to four Tm3+, two equivalent Os6+, and three B2- atoms. There is one shorter (1.73 Å) and one longer (1.84 Å) B–B bond length. In the fourth B2- site, B2- is bonded in a 9-coordinate geometry to four Tm3+, two equivalent Os6+, and three B2- atoms. Both B–B bond lengths are 1.79 Å. In the fifth B2- site, B2- is bonded in a 9-coordinate geometry to four Tm3+, two equivalent Os6+, and three B2- atoms. In the sixth B2- site, B2- is bonded in a 9-coordinate geometry to six Tm3+ and three B2- atoms. The B–B bond length is 2.10 Å.
- 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:
- 1745688
- Report Number(s):
- mp-1203429
- Country of Publication:
- United States
- Language:
- English
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