Materials Data on Cd2As2O7 by Materials Project
Cd2As2O7 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Cd2+ is bonded to six O2- atoms to form distorted CdO6 pentagonal pyramids that share corners with six equivalent AsO4 tetrahedra and edges with three equivalent CdO6 pentagonal pyramids. There are a spread of Cd–O bond distances ranging from 2.27–2.40 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with six equivalent CdO6 pentagonal pyramids and a cornercorner with one AsO4 tetrahedra. There is three shorter (1.71 Å) and one longer (1.76 Å) As–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cd2+ and one As5+ atom. In the second O2- site, O2- is bonded in a linear geometry to two equivalent As5+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cd2+ and one As5+ atom.
- 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:
- 1187152
- Report Number(s):
- mp-10486
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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