Materials Data on SrLaMnO4 by Materials Project
LaSrMnO4 is (La,Ba)CuO4-derived structured and crystallizes in the tetragonal I4mm 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 2.43–2.78 Å. La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.32–2.77 Å. Mn3+ is bonded to six O2- atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Mn–O bond distances ranging from 1.95–2.23 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Sr2+, two equivalent La3+, and two equivalent Mn3+ atoms to form distorted OSr2La2Mn2 octahedra that share corners with fourteen OSrLa4Mn octahedra, edges with two equivalent OSr2La2Mn2 octahedra, and faces with eight OSrLa4Mn octahedra. The corner-sharing octahedra tilt angles range from 6–53°. In the second O2- site, O2- is bonded to one Sr2+, four equivalent La3+, and one Mn3+ atom to form distorted OSrLa4Mn octahedra that share corners with seventeen OSrLa4Mn octahedra, edges with eight OSrLa4Mn octahedra, and faces with four equivalent OSr2La2Mn2 octahedra. The corner-sharing octahedra tilt angles range from 0–53°. In the third O2- site, O2- is bonded to four equivalent Sr2+, one La3+, and one Mn3+ atom to form distorted OSr4LaMn octahedra that share corners with seventeen OSrLa4Mn octahedra, edges with eight OSrLa4Mn octahedra, and faces with four equivalent OSr2La2Mn2 octahedra. The corner-sharing octahedra tilt angles range from 0–53°.
- 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:
- 1679871
- Report Number(s):
- mp-1218156
- Country of Publication:
- United States
- Language:
- English
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