Materials Data on La2MgSnO6 by Materials Project
MgLa2SnO6 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 31–32°. There are a spread of Mg–O bond distances ranging from 2.11–2.13 Å. La3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.84 Å. Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six equivalent MgO6 octahedra. The corner-sharing octahedra tilt angles range from 31–32°. There are two shorter (2.09 Å) and four longer (2.10 Å) Sn–O bond lengths. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to one Mg2+, three equivalent La3+, and one Sn4+ atom. In the second O2- site, O2- is bonded in a 5-coordinate geometry to one Mg2+, three equivalent La3+, and one Sn4+ atom. In the third O2- site, O2- is bonded to one Mg2+, two equivalent La3+, and one Sn4+ atom to form distorted corner-sharing OLa2MgSn tetrahedra.
- 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:
- 1697037
- Report Number(s):
- mp-1211868
- Country of Publication:
- United States
- Language:
- English
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