Materials Data on Sm4(CoB2)3 by Materials Project
(Sm2CoB3)2Co crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three cobalt molecules and three Sm2CoB3 sheets oriented in the (0, 0, 1) direction. In each Sm2CoB3 sheet, there are two inequivalent Sm3+ sites. In the first Sm3+ site, Sm3+ is bonded in a 6-coordinate geometry to six equivalent B3- atoms. All Sm–B bond lengths are 2.70 Å. In the second Sm3+ site, Sm3+ is bonded in a 6-coordinate geometry to six equivalent B3- atoms. All Sm–B bond lengths are 2.68 Å. Co2+ is bonded in a 6-coordinate geometry to six equivalent B3- atoms. All Co–B bond lengths are 2.14 Å. B3- is bonded in a 9-coordinate geometry to four Sm3+, two equivalent Co2+, and three equivalent B3- atoms. There is two shorter (1.78 Å) and one longer (1.79 Å) B–B bond length.
- 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:
- 1684432
- Report Number(s):
- mp-1103681
- Country of Publication:
- United States
- Language:
- English
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