U.S. Department of EnergyOffice of Scientific and Technical Information
Materials Data on CaWF5 by Materials Project
Abstract
CaWF5 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to seven F1- atoms to form CaF7 pentagonal bipyramids that share corners with four WF6 octahedra, edges with two WF6 octahedra, and edges with two equivalent CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 3–39°. There are a spread of Ca–F bond distances ranging from 2.20–2.57 Å. In the second Ca2+ site, Ca2+ is bonded to seven F1- atoms to form CaF7 pentagonal bipyramids that share corners with four WF6 octahedra, edges with two WF6 octahedra, and edges with two equivalent CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 2–39°. There are a spread of Ca–F bond distances ranging from 2.20–2.58 Å. There are two inequivalent W3+ sites. In the first W3+ site, W3+ is bonded to six F1- atoms to form WF6 octahedra that share corners with two equivalent WF6 octahedra, corners with four CaF7 pentagonal bipyramids, and edges with two CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–42°. There are a spread of W–F bond distances ranging from 2.09–2.14 Å. In the second W3+ site,more »
- Authors:
- Publication Date:
- Other Number(s):
- mvc-14218
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Collaborations:
- MIT; UC Berkeley; Duke; U Louvain
- Subject:
- 36 MATERIALS SCIENCE
- Keywords:
- crystal structure; CaWF5; Ca-F-W
- OSTI Identifier:
- 1319074
- DOI:
- https://doi.org/10.17188/1319074
Citation Formats
The Materials Project. Materials Data on CaWF5 by Materials Project. United States: N. p., 2020.
Web. doi:10.17188/1319074.
The Materials Project. Materials Data on CaWF5 by Materials Project. United States. doi:https://doi.org/10.17188/1319074
The Materials Project. 2020.
"Materials Data on CaWF5 by Materials Project". United States. doi:https://doi.org/10.17188/1319074. https://www.osti.gov/servlets/purl/1319074. Pub date:Sat Jul 18 00:00:00 EDT 2020
@article{osti_1319074,
title = {Materials Data on CaWF5 by Materials Project},
author = {The Materials Project},
abstractNote = {CaWF5 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to seven F1- atoms to form CaF7 pentagonal bipyramids that share corners with four WF6 octahedra, edges with two WF6 octahedra, and edges with two equivalent CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 3–39°. There are a spread of Ca–F bond distances ranging from 2.20–2.57 Å. In the second Ca2+ site, Ca2+ is bonded to seven F1- atoms to form CaF7 pentagonal bipyramids that share corners with four WF6 octahedra, edges with two WF6 octahedra, and edges with two equivalent CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 2–39°. There are a spread of Ca–F bond distances ranging from 2.20–2.58 Å. There are two inequivalent W3+ sites. In the first W3+ site, W3+ is bonded to six F1- atoms to form WF6 octahedra that share corners with two equivalent WF6 octahedra, corners with four CaF7 pentagonal bipyramids, and edges with two CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–42°. There are a spread of W–F bond distances ranging from 2.09–2.14 Å. In the second W3+ site, W3+ is bonded to six F1- atoms to form WF6 octahedra that share corners with two equivalent WF6 octahedra, corners with four CaF7 pentagonal bipyramids, and edges with two CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–42°. There are a spread of W–F bond distances ranging from 2.09–2.14 Å. There are ten inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to one Ca2+ and two W3+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to one Ca2+ and two W3+ atoms. In the third F1- site, F1- is bonded in a linear geometry to one Ca2+ and one W3+ atom. In the fourth F1- site, F1- is bonded in a linear geometry to one Ca2+ and one W3+ atom. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to two Ca2+ and one W3+ atom. In the sixth F1- site, F1- is bonded in a 3-coordinate geometry to two Ca2+ and one W3+ atom. In the seventh F1- site, F1- is bonded in a 3-coordinate geometry to two Ca2+ and one W3+ atom. In the eighth F1- site, F1- is bonded in a distorted trigonal planar geometry to two Ca2+ and one W3+ atom. In the ninth F1- site, F1- is bonded in a linear geometry to one Ca2+ and one W3+ atom. In the tenth F1- site, F1- is bonded in a linear geometry to one Ca2+ and one W3+ atom.},
doi = {10.17188/1319074},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Jul 18 00:00:00 EDT 2020},
month = {Sat Jul 18 00:00:00 EDT 2020}
}