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

Shengqun Su, Chao Qin, Shuyan Song, Zhiyong Guo, Ruiping Deng, Wan Chen, Xuezhi Song, Song Wang, Guanghua Li, Hongjie Zhang

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20 Citations (Scopus)

Abstract

Three three-dimensional coordination polymers, namely, [NH 2(CH3)2][Co2(MDIP)(OH)(H 2O)]·C3H7NO·H2O (1), [NH2(CH3)2]2[Mn3(MDIP) 2]·2C3H7NO (2), and [NH 2(CH3)2][Mg3(MDIP)(HMDIP)(C 3H7NO)]·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(CH 3)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 (4 10.614.84)(45.6)2. Magnetic investigations indicate that antiferromagnetic couplings are dominant in compounds 1 and 2.

Original languageEnglish
Pages (from-to)6057-6064
Number of pages8
JournalCrystEngComm
Volume13
Issue number20
DOIs
Publication statusPublished - Oct 21 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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