Materials Data on Sr3LaTi2Mn2O12 by Materials Project
Sr3LaTi2Mn2O12 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve equivalent SrO12 cuboctahedra, faces with three equivalent SrO12 cuboctahedra, faces with three equivalent LaO12 cuboctahedra, faces with four equivalent TiO6 octahedra, and faces with four equivalent MnO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.76–2.79 Å. In the second Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six equivalent LaO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, faces with two equivalent MnO6 octahedra, and faces with six equivalent TiO6 octahedra. There are six shorter (2.78 Å) and six longer (2.82 Å) Sr–O bond lengths. La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra, corners with six equivalent LaO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, faces with two equivalent TiO6 octahedra, and faces with six equivalent MnO6 octahedra. There are six shorter (2.72 Å) and six longer (2.78 Å) La–O bond lengths. Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with three equivalent TiO6 octahedra, corners with three equivalent MnO6 octahedra, a faceface with one LaO12 cuboctahedra, and faces with seven SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There is three shorter (1.96 Å) and three longer (1.97 Å) Ti–O bond length. Mn+3.50+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent TiO6 octahedra, corners with three equivalent MnO6 octahedra, faces with three equivalent LaO12 cuboctahedra, and faces with five SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There is three shorter (1.96 Å) and three longer (1.97 Å) Mn–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to two equivalent Sr2+, two equivalent La3+, and two equivalent Mn+3.50+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one La3+, one Ti4+, and one Mn+3.50+ atom. In the third O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two equivalent Ti4+ atoms.
- 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:
- 1742997
- Report Number(s):
- mp-1218525
- Country of Publication:
- United States
- Language:
- English
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