Acta Crystallographica Section C

Crystal Structure Communications

Volume 64, Part 1 (January 2008)

metal-organic compounds


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Acta Cryst. (2008). C64, m33-m36    [ doi:10.1107/S0108270107059124 ]

Poly[bis([mu]3-benzene-1,3,5-tricarboxylato-[kappa]3O1:O3:O5)tris[[mu]2-1,3-bis(imidazol-1-ylmethyl)benzene-[kappa]2N:N']tricobalt(II)] and poly[[diaquabis([mu]3-benzene-1,3,5-tricarboxylato-[kappa]3O1:O3:O5)tris[[mu]2-1,4-bis(imidazol-1-ylmethyl)benzene-[kappa]2N:N']tricobalt(II)] monohydrate]

Y.-Y. Liu, J. Yang, J.-C. Ma and J.-F. Ma

Abstract: The title cobalt(II) coordination polymers, [Co3(C9H3O6)2(C14H14N4)3]n, (I), and {[Co3(C9H3O6)2(C14H14N4)3(H2O)2]·H2O}n, (II), present very different coordination and packing properties in spite of the ligand similarity. In (I), three crystallographically distinct CoII cations are all four-coordinated by O2N2 donor sets in distorted tetrahedral geometries. The CoII centres are connected by benzene-1,3,5-tricarboxylate (BTC) anions and 1,3-bis(imidazol-1-ylmethyl)benzene (L1) ligands into a (64.82)2(86)(6.82)2 topology framework. The structure of (II) contains two kinds of crystallographically unique CoII cations. One Co atom lies on a symmetry centre and is six-coordinated by an O4N2 donor set, and the other Co atom is four-coordinated by an O2N2 donor set. The CoII centres are connected by BTC anions and 1,4-bis(imidazol-1-ylmethyl)benzene (L2) ligands into a (62.84)2(64.82)(63)2 framework.

Formula: [Co3(C9H3O6)2(C14H14N4)3] and [Co3(C9H3O6)2(C14H14N4)3(H2O)2]·H2O

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Structure factor file (CIF format) (556.8 kbytes)
[ doi:10.1107/S0108270107059124/bg3062Isup2.hkl ]
Contains datablock I

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Structure factor file (CIF format) (318.9 kbytes)
[ doi:10.1107/S0108270107059124/bg3062IIsup3.hkl ]
Contains datablock II

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