U.S. Department of EnergyOffice of Scientific and Technical Information
Materials Data on CaAl2Si2(ClO4)2 by Materials Project
Abstract
CaAl2Si2(O4Cl)2 crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to three equivalent O and three equivalent Cl atoms. All Ca–O bond lengths are 2.32 Å. All Ca–Cl bond lengths are 2.85 Å. In the second Ca site, Ca is bonded in a 6-coordinate geometry to three equivalent O and three equivalent Cl atoms. All Ca–O bond lengths are 2.39 Å. All Ca–Cl bond lengths are 2.81 Å. In the third Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are three shorter (2.46 Å) and three longer (2.85 Å) Ca–O bond lengths. Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with two equivalent AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.73–1.82 Å. Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.59–1.72 Å. There are six inequivalent O sites.more »
- Authors:
- Publication Date:
- Other Number(s):
- mp-1227373
- 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; CaAl2Si2(ClO4)2; Al-Ca-Cl-O-Si
- OSTI Identifier:
- 1676546
- DOI:
- https://doi.org/10.17188/1676546
Citation Formats
The Materials Project. Materials Data on CaAl2Si2(ClO4)2 by Materials Project. United States: N. p., 2020.
Web. doi:10.17188/1676546.
The Materials Project. Materials Data on CaAl2Si2(ClO4)2 by Materials Project. United States. doi:https://doi.org/10.17188/1676546
The Materials Project. 2020.
"Materials Data on CaAl2Si2(ClO4)2 by Materials Project". United States. doi:https://doi.org/10.17188/1676546. https://www.osti.gov/servlets/purl/1676546. Pub date:Thu Apr 30 00:00:00 EDT 2020
@article{osti_1676546,
title = {Materials Data on CaAl2Si2(ClO4)2 by Materials Project},
author = {The Materials Project},
abstractNote = {CaAl2Si2(O4Cl)2 crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to three equivalent O and three equivalent Cl atoms. All Ca–O bond lengths are 2.32 Å. All Ca–Cl bond lengths are 2.85 Å. In the second Ca site, Ca is bonded in a 6-coordinate geometry to three equivalent O and three equivalent Cl atoms. All Ca–O bond lengths are 2.39 Å. All Ca–Cl bond lengths are 2.81 Å. In the third Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are three shorter (2.46 Å) and three longer (2.85 Å) Ca–O bond lengths. Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with two equivalent AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.73–1.82 Å. Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.59–1.72 Å. There are six inequivalent O sites. In the first O site, O is bonded in a distorted bent 120 degrees geometry to two equivalent Si atoms. In the second O site, O is bonded to two Ca and two equivalent Al atoms to form distorted edge-sharing OCa2Al2 tetrahedra. In the third O site, O is bonded in a 4-coordinate geometry to two Ca and two equivalent Si atoms. In the fourth O site, O is bonded in a linear geometry to one Al and one Si atom. In the fifth O site, O is bonded in a linear geometry to one Al and one Si atom. In the sixth O site, O is bonded in a bent 120 degrees geometry to two equivalent Al atoms. There are two inequivalent Cl sites. In the first Cl site, Cl is bonded in a single-bond geometry to one Ca atom. In the second Cl site, Cl is bonded in a single-bond geometry to one Ca atom.},
doi = {10.17188/1676546},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}