Jump to main content
Jump to site search

Issue 13, 2003
Previous Article Next Article

Lone-pair containment in closed cavities. The MTe6O13(M = Mn, Ni, Co) family of ternary oxides

Author affiliations

Abstract

The hydrothermal and ceramic syntheses, single crystal structures and some properties of MnTe6O13, NiTe6O13 and CoTe6O13 are described. These isostructural phases [space group R[3 with combining macron] (No. 148) with a ≈ 10.2 Å and c ≈ 19 Å] contain a dense network of isolated MO6 (M = Mn, Ni, Co) octahedra, TeO4 folded squares and distorted TeO4+1 square-based pyramids, sharing vertices and edges by way of M–O–Te and Te–O–Te bonds. The TeIV lone pairs are directed into closed cavities formed from 18 Te-centred and 6 MO6 groupings. Magnetic susceptibility data for MnTe6O13 and CoTe6O13 show antiferromagnetic ordering at ca. 13 and 21 K, respectively, which must occur via a superexchange pathway.

Graphical abstract: Lone-pair containment in closed cavities. The MTe6O13 (M = Mn, Ni, Co) family of ternary oxides

Back to tab navigation
Please wait while Download options loads

Supplementary files

Publication details

The article was received on 15 Jan 2003, accepted on 20 May 2003 and first published on 30 May 2003


Article type: Paper
DOI: 10.1039/B300573A
Citation: Dalton Trans., 2003, 2641-2645
  •   Request permissions

    Lone-pair containment in closed cavities. The MTe6O13 (M = Mn, Ni, Co) family of ternary oxides

    J. T. S. Irvine, M. G. Johnston and W. T. A. Harrison, Dalton Trans., 2003, 2641
    DOI: 10.1039/B300573A

Search articles by author