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A hybrid metalloarsenate 3D framework-1D interrupted metal oxide

A hybrid metalloarsenate 3D framework-1D interrupted metal oxide
A hybrid metalloarsenate 3D framework-1D interrupted metal oxide
Complex metal arsenates of the stoichiometry M(1)(-)(x)()M'(6)(OH)(3)(AsO(4)H(2)(x)(/3))(3)(HAsO4)), M = M' = Co, Ni, have been synthesized under hydrothermal conditions. The two compounds display a very similar structural topology to that of the mineral dumortierite, an uncommon complex oxyborosilicate of aluminum. The hybrid structures consist of well separated, vacancy interrupted chains of face sharing MO6 octahedra, with short M.M distances near 2.5 Angstrom, embedded in a metalloarsenate 3D framework having the topology of the aluminosilicate cancrinite. The framework also contains a quadruply bridging hydroxide ion. Magnetic susceptibility measurements reveal a strong antiferromagnetic interaction and magnetic transition to low temperature spin canted phases below 51 K (Co) and 42 K (Ni). The material may be considered as a zeotype framework structure templated by an interrupted one-dimensional metal oxide.
crystal-structure, molecular electronics, phosphate, chemistry, nickel, mn, ti, fe
0020-1669
4160-4164
Hughes, Robert W.
3ab2fb60-f4ec-418e-b672-9a0f3b2eaeb1
Gerrard, Lee A.
7ece498c-3d15-42f8-8c77-013242423752
Price, Daniel J.
479ee5e3-2626-4abe-bffa-679d77ba5192
Weller, Mark T.
36a60b56-049f-466c-a1d7-39d6b0d85ff4
Hughes, Robert W.
3ab2fb60-f4ec-418e-b672-9a0f3b2eaeb1
Gerrard, Lee A.
7ece498c-3d15-42f8-8c77-013242423752
Price, Daniel J.
479ee5e3-2626-4abe-bffa-679d77ba5192
Weller, Mark T.
36a60b56-049f-466c-a1d7-39d6b0d85ff4

Hughes, Robert W., Gerrard, Lee A., Price, Daniel J. and Weller, Mark T. (2003) A hybrid metalloarsenate 3D framework-1D interrupted metal oxide. Inorganic Chemistry, 42 (13), 4160-4164. (doi:10.1021/ic026151f).

Record type: Article

Abstract

Complex metal arsenates of the stoichiometry M(1)(-)(x)()M'(6)(OH)(3)(AsO(4)H(2)(x)(/3))(3)(HAsO4)), M = M' = Co, Ni, have been synthesized under hydrothermal conditions. The two compounds display a very similar structural topology to that of the mineral dumortierite, an uncommon complex oxyborosilicate of aluminum. The hybrid structures consist of well separated, vacancy interrupted chains of face sharing MO6 octahedra, with short M.M distances near 2.5 Angstrom, embedded in a metalloarsenate 3D framework having the topology of the aluminosilicate cancrinite. The framework also contains a quadruply bridging hydroxide ion. Magnetic susceptibility measurements reveal a strong antiferromagnetic interaction and magnetic transition to low temperature spin canted phases below 51 K (Co) and 42 K (Ni). The material may be considered as a zeotype framework structure templated by an interrupted one-dimensional metal oxide.

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More information

Published date: 30 June 2003
Keywords: crystal-structure, molecular electronics, phosphate, chemistry, nickel, mn, ti, fe

Identifiers

Local EPrints ID: 19986
URI: http://eprints.soton.ac.uk/id/eprint/19986
ISSN: 0020-1669
PURE UUID: 7c520a36-589d-42f0-8afb-811af8e5393e

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Date deposited: 24 Feb 2006
Last modified: 15 Mar 2024 06:21

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Contributors

Author: Robert W. Hughes
Author: Lee A. Gerrard
Author: Daniel J. Price
Author: Mark T. Weller

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