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Title: Materials Data on Ti2CoSe4 by Materials Project

Abstract

Ti2CoSe4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ti3+ is bonded to six Se2- atoms to form TiSe6 octahedra that share corners with six equivalent CoSe6 octahedra, edges with six equivalent TiSe6 octahedra, and a faceface with one CoSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–50°. There are a spread of Ti–Se bond distances ranging from 2.56–2.62 Å. Co2+ is bonded to six Se2- atoms to form CoSe6 octahedra that share corners with twelve equivalent TiSe6 octahedra, edges with two equivalent CoSe6 octahedra, and faces with two equivalent TiSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–50°. There are two shorter (2.46 Å) and four longer (2.49 Å) Co–Se bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to three equivalent Ti3+ and two equivalent Co2+ atoms to form a mixture of distorted edge and corner-sharing SeTi3Co2 square pyramids. In the second Se2- site, Se2- is bonded in a rectangular see-saw-like geometry to three equivalent Ti3+ and one Co2+ atom.

Authors:
Publication Date:
Other Number(s):
mp-1025347
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; Ti2CoSe4; Co-Se-Ti
OSTI Identifier:
1355537
DOI:
https://doi.org/10.17188/1355537

Citation Formats

The Materials Project. Materials Data on Ti2CoSe4 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1355537.
The Materials Project. Materials Data on Ti2CoSe4 by Materials Project. United States. doi:https://doi.org/10.17188/1355537
The Materials Project. 2020. "Materials Data on Ti2CoSe4 by Materials Project". United States. doi:https://doi.org/10.17188/1355537. https://www.osti.gov/servlets/purl/1355537. Pub date:Thu Jul 16 00:00:00 EDT 2020
@article{osti_1355537,
title = {Materials Data on Ti2CoSe4 by Materials Project},
author = {The Materials Project},
abstractNote = {Ti2CoSe4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ti3+ is bonded to six Se2- atoms to form TiSe6 octahedra that share corners with six equivalent CoSe6 octahedra, edges with six equivalent TiSe6 octahedra, and a faceface with one CoSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–50°. There are a spread of Ti–Se bond distances ranging from 2.56–2.62 Å. Co2+ is bonded to six Se2- atoms to form CoSe6 octahedra that share corners with twelve equivalent TiSe6 octahedra, edges with two equivalent CoSe6 octahedra, and faces with two equivalent TiSe6 octahedra. The corner-sharing octahedra tilt angles range from 49–50°. There are two shorter (2.46 Å) and four longer (2.49 Å) Co–Se bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to three equivalent Ti3+ and two equivalent Co2+ atoms to form a mixture of distorted edge and corner-sharing SeTi3Co2 square pyramids. In the second Se2- site, Se2- is bonded in a rectangular see-saw-like geometry to three equivalent Ti3+ and one Co2+ atom.},
doi = {10.17188/1355537},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}