Materials Data on Cu7Te6(O9F)2 by Materials Project
Cu7Te6(O9F)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.92 Å) and two longer (1.97 Å) Cu–O bond length. In the second Cu2+ site, Cu2+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 trigonal bipyramids. There are a spread of Cu–O bond distances ranging from 1.92–2.50 Å. In the third Cu2+ site, Cu2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Cu–O bond distances ranging from 1.94–2.67 Å. In the fourth Cu2+ site, Cu2+ is bonded to four O2- and one F1- atom to form CuO4F trigonal bipyramids that share corners with two equivalent CuO5 trigonal bipyramids and an edgeedge with one CuO4F trigonal bipyramid. There are a spread of Cu–O bond distances ranging from 1.93–2.25 Å. The Cu–F bond length is 1.99 Å. There are three inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.93–2.59 Å. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There is one shorter (1.90 Å) and two longer (1.93 Å) Te–O bond length. In the third Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.88–1.94 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two Cu2+ and one Te4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Cu2+ and two Te4+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Cu2+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Cu2+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Cu2+ and two Te4+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Cu2+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cu2+ and one Te4+ atom. In the eighth O2- site, O2- is bonded in a distorted tetrahedral geometry to three Cu2+ and one Te4+ atom. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one Te4+ atom. F1- is bonded in a distorted single-bond geometry to one Cu2+ 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:
- 1678986
- Report Number(s):
- mp-1195764
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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