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Issue 41, 2016
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Oxalate-bridged heterometallic chains with monocationic dabco derivatives

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Abstract

A series of bimetallic oxalate-bridged one-dimensional chains with monocationic dabco derivatives, ({R-dabco}[M(solv)2][Cr(ox)3n(solv)) (dabco = 1,4-diazabicyclo[2.2.2]octane, H2ox = oxalate; R = H, M = Co (1); R = H, M = Zn (2); R = Bu, M = Co (3); R = Bu, M = Zn (4)) were synthesized. All compounds have one-dimensional zig-zag chain structures with R-dabco cations located between chains. Cryomagnetic studies reveal that 1 and 3 showed intrachain ferromagnetic interactions between Co(II) and Cr(III) ions and metamagnetic behaviour due to interchain antiferromagnetic interactions. Permittivity measurements on compound 4 indicate specific paraelectronic relaxation behaviour originating from the rotational motion of the dabco alkyl substituent.

Graphical abstract: Oxalate-bridged heterometallic chains with monocationic dabco derivatives

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Publication details

The article was received on 26 Jul 2016, accepted on 02 Sep 2016 and first published on 05 Sep 2016


Article type: Paper
DOI: 10.1039/C6DT02955H
Citation: Dalton Trans., 2016,45, 16182-16189
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    Oxalate-bridged heterometallic chains with monocationic dabco derivatives

    T. Sakurai, R. Saiki, R. J. Wei, G. N. Newton, T. Shiga and H. Oshio, Dalton Trans., 2016, 45, 16182
    DOI: 10.1039/C6DT02955H

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