Issue 2, 2010

Solvothermal synthesis and magnetic properties of cobalt(II) phosphite structures of varying dimensionality

Abstract

Three new organically templated cobalt phosphites, [C4N2H12][Co(HPO3)2] (1), [(C4N2H12)0.5(C2NH8)][Co2(HPO3)3] (2) and [C2NH8]2[Co3(HPO3)4] (3) have been synthesized under solvothermal conditions templated by piperazine. Single-crystal structure analysis reveals that compound 1 displays a one-dimensional (1D) chain-like structure, containing corner-shared four-membered rings. In compound 2, the linkages between CoO4 and HPO3 units form an inorganic layer with 4- and 12-membered aperture, while in compound 3, corner-sharing CoO4 and HPO3 units give rise to a three-dimensional structure with 16-membered ring channels, in which organic amine cations reside. The presence of 4-membered rings and one-dimensional chain/ladder structures in all compounds shows that such units are vital for building up of higher dimensionality. The magnetic properties of the three compounds are also discussed.

Graphical abstract: Solvothermal synthesis and magnetic properties of cobalt(II) phosphite structures of varying dimensionality

Supplementary files

Article information

Article type
Paper
Submitted
04 Jun 2009
Accepted
27 Aug 2009
First published
08 Sep 2009

CrystEngComm, 2010,12, 383-386

Solvothermal synthesis and magnetic properties of cobalt(II) phosphite structures of varying dimensionality

X. Liu, Y. Xing and X. Liu, CrystEngComm, 2010, 12, 383 DOI: 10.1039/B911000C

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