Materials Data on LaAgSO by Materials Project
LaAgSO is Parent of FeAs superconductors structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. La3+ is bonded in a 4-coordinate geometry to four equivalent S2- and four equivalent O2- atoms. All La–S bond lengths are 3.29 Å. All La–O bond lengths are 2.39 Å. Ag1+ is bonded to four equivalent S2- atoms to form distorted AgS4 tetrahedra that share corners with four equivalent AgS4 tetrahedra, corners with twelve equivalent OLa4S4 tetrahedra, edges with two equivalent OLa4S4 tetrahedra, and edges with four equivalent AgS4 tetrahedra. All Ag–S bond lengths are 2.70 Å. S2- is bonded in a 12-coordinate geometry to four equivalent La3+, four equivalent Ag1+, and four equivalent O2- atoms. All S–O bond lengths are 3.46 Å. O2- is bonded to four equivalent La3+ and four equivalent S2- atoms to form OLa4S4 tetrahedra that share corners with twelve equivalent AgS4 tetrahedra, edges with two equivalent AgS4 tetrahedra, edges with four equivalent OLa4S4 tetrahedra, and faces with four equivalent OLa4S4 tetrahedra.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1281400
- Report Number(s):
- mp-6625
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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