Note: Synthesis,Characterization and Crystal Structures of the Coordination Polymers [Cu(II)(NO3)2(BBMB) and [Mn(II)Cl2(BBMB)2] [BBMB = 1,4-Bis(1-Benzimidazolylmethyl) Benzene] |
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Abstract: | Two novel coordination polymers, Cu(II)(NO3)2(bbmb)] n (1) and Mn(II)(Cl2)(BBMB)2] (2) bbmb = 1,4-bis(1-benzimidazolylmethyl)benzene], were synthesized and characterized by IR and thermal analyses. Single-crystal X-ray diffraction analysis shows that Polymer 1 exhibits a distorted metal tetrahedron in its structure, involving two nitrogen atoms from bbmb ligands and two oxygen atoms from NO3 groups. Each Cu(II)(NO3)2 unit is bridged by bbmb to form a zigzag chain structure. Polymer 2 possesses a two-dimensional network. The coordination environment around Mn(II) is a distorted octahedron and its solid-state structure exhibits a layered packing mode. In the polymers the two coordinating nitrogen atoms on bridging bbmb ligands are trans to the central benzene plane. |
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Keywords: | 1 4-Bis(1-benzimidazolylmethyl)benzene X-ray Structue Polymer Linear Ligand |
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