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Issue 12, 2009
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Synthesis, crystal structure and magnetic properties of two 3-D gadolinium complexes

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Abstract

Two new gadolinium coordination polymers, Gd(tci)(H2O)]·DMF·2H2O (1) and [Gd(bci)(H2O)]·2H2O(2) (H3tci = tri(2-carboxyethyl)isocyanurate, H3bci = bis(2-carboxyethyl)isocyanurate), have been synthesized under solvothermal conditions by the reaction of gadolinium nitrate and H3tci or H3bci with presence of DMF and H2O. 1 and 2 feature an interesting 3D metal–organic framework which contains infinite linear Gd-(µ-O)2-Gd chains in the structures. The carboxylate groups bridge two Gd(III) centers in µ2-carboxylato-κ1O: κ1O′ and µ2O;κ2O,O′ patterns for 1 and µ2O;κ2O,O′ fashion for 2. The magnetic studies indicate that there exist antiferromagnetic interactions in 1 and ferromagnetic interactions in 2. The best fittings to the experimental magnetic susceptibilities gave J = −0.015 cm−1, g = 1.98 for 1 and J = 0.055 cm−1, g = 1.98 for 2.

Graphical abstract: Synthesis, crystal structure and magnetic properties of two 3-D gadolinium complexes

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Publication details

The article was received on 20 Mar 2009, accepted on 17 Jul 2009 and first published on 07 Aug 2009


Article type: Paper
DOI: 10.1039/B905663G
CrystEngComm, 2009,11, 2629-2633

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    Synthesis, crystal structure and magnetic properties of two 3-D gadolinium complexes

    Z. Han, G. Zhang, M. Zeng, C. Ge, X. Zou and G. Han, CrystEngComm, 2009, 11, 2629
    DOI: 10.1039/B905663G

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