Materials Data on SrBe2(BO3)2 by Materials Project
SrBe2(BO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–3.03 Å. There are two inequivalent Be2+ sites. In the first Be2+ site, Be2+ is bonded to four O2- atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.61–1.69 Å. In the second Be2+ site, Be2+ is bonded to four O2- atoms to form edge-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.61–1.70 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.40 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+, one Be2+, and one B3+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Sr2+, two equivalent Be2+, and one B3+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, two equivalent Be2+, and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+, one Be2+, and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Sr2+, one Be2+, and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Sr2+, one Be2+, and one B3+ atom.
- 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:
- 1270590
- Report Number(s):
- mp-558981
- Country of Publication:
- United States
- Language:
- English
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