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Issue 20, 2011
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Three three-dimensional anionic metal–organic frameworks with (4,8)-connected alb topology constructed from a semi-rigid ligand and polynuclear metal clusters

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Abstract

Three three-dimensional coordination polymers, namely, [NH2(CH3)2][Co2(MDIP)(OH)(H2O)]·C3H7NO·H2O (1), [NH2(CH3)2]2[Mn3(MDIP)2]·2C3H7NO (2), and [NH2(CH3)2][Mg3(MDIP)(HMDIP)(C3H7NO)]·4H2O (3) (DMF = N,N′-dimethylformamide), have been synthesized by the solvothermal reaction of Co(II), Mn(II), or Mg(II) salts with methylenediisophthalic acid (H4MDIP). All compounds have been characterized by thermogravimetric analysis, IR spectroscopy, elemental and single-crystal X-ray diffraction analyses. Complexes 1–3 are anionic frameworks with [NH2(CH3)2]+ ions occupying the voids, built upon tetra-, tri- and asymmetrical trimetallic cores, respectively. In particular, the asymmetrical trinuclear Mg(II) unit in complex 3 was scarcely observed. Topological analyses show that the three compounds possess binodal (4,8)-connected alb topology with a Schläfli symbol of (410.614.84)(45.6)2. Magnetic investigations indicate that antiferromagnetic couplings are dominant in compounds 1 and 2.

Graphical abstract: Three three-dimensional anionic metal–organic frameworks with (4,8)-connected alb topology constructed from a semi-rigid ligand and polynuclear metal clusters

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Publication details

The article was received on 29 Jan 2011, accepted on 05 Jul 2011 and first published on 11 Aug 2011


Article type: Paper
DOI: 10.1039/C1CE05149K
Citation: CrystEngComm, 2011,13, 6057-6064
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    Three three-dimensional anionic metal–organic frameworks with (4,8)-connected alb topology constructed from a semi-rigid ligand and polynuclear metal clusters

    S. Su, C. Qin, S. Song, Z. Guo, R. Deng, W. Chen, X. Song, S. Wang, G. Li and H. Zhang, CrystEngComm, 2011, 13, 6057
    DOI: 10.1039/C1CE05149K

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