Materials Data on SrMg2 by Materials Project
Mg2Sr crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Sr is bonded to four equivalent Sr and eight Mg atoms to form a mixture of distorted corner and face-sharing SrSr4Mg8 cuboctahedra. There are two shorter (3.76 Å) and two longer (3.77 Å) Sr–Sr bond lengths. There are a spread of Sr–Mg bond distances ranging from 3.53–4.03 Å. There are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a 10-coordinate geometry to six equivalent Sr and four equivalent Mg atoms. There are two shorter (3.15 Å) and two longer (3.42 Å) Mg–Mg bond lengths. In the second Mg site, Mg is bonded in a 10-coordinate geometry to two equivalent Sr and eight Mg atoms. All Mg–Mg bond lengths are 3.42 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:
- 1693273
- Report Number(s):
- mp-1094279
- Country of Publication:
- United States
- Language:
- English
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