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  • Title: Poly[aqua[μ2-1,4-bis(imidazol-1-ylmethyl)benzene-κ2N3:N3'](μ2-5-hydroxybenzene-1,3-dicarboxylato-κ4O1,O1':O3,O3')cadmium(II)], a twofold interpenetrated CdSO4-like metal-organic polymer.
    Author: Zhou S, Li CB, Wang QW, Ng SW.
    Journal: Acta Crystallogr C; 2011 Jul; 67(Pt 7):m224-6. PubMed ID: 21727617.
    Abstract:
    In the title cadmium(II) complex, [Cd(C(8)H(4)O(5))(C(14)H(14)N(4))(H(2)O)](n), the 5-hydroxybenzene-1,3-dicarboxylate (5-OH-1,3-bdc) and 1,4-bis(imidazol-1-ylmethyl)benzene (1,4,-bix) ligands bridge water-coordinated Cd(II) atoms to generate a three-dimensional network. Two carboxylate groups from different ligands function as O,O'-chelates, while two imidazole N atoms from different ligands coordinate in a monodentate fashion, and one water molecule completes the seven-coordinate pentagonal bipyramid around the Cd(II) atom, in which the N atoms occupy the axial sites and the O atoms occupy the equatorial sites. The overall architecture is a twofold interpenetrated CdSO(4)-type framework. The two crystallographically equivalent frameworks are linked by O-H···O hydrogen bonds between the water, hydroxy and carboxylate groups.
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