Materials Data on Dy2WO6 by Materials Project
Dy2WO6 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Dy–O bond distances ranging from 2.24–2.60 Å. In the second Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 hexagonal pyramids that share corners with three equivalent WO6 octahedra, edges with two equivalent DyO7 hexagonal pyramids, and edges with two equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 39–46°. There are a spread of Dy–O bond distances ranging from 2.30–2.41 Å. W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three equivalent DyO7 hexagonal pyramids and edges with two equivalent DyO7 hexagonal pyramids. There are a spread of W–O bond distances ranging from 1.89–2.03 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Dy3+ and one W6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one W6+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one W6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Dy3+ and one W6+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Dy3+ and one W6+ atom. In the sixth O2- site, O2- is bonded to three Dy3+ and one W6+ atom to form distorted corner-sharing ODy3W 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:
- 1299885
- Report Number(s):
- mp-770570
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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