Synthesis and Crystal Structure of a Novel Superamolecular Compound Based on Imidazole Functionalized Sandwich Type of Tungstobismutate

Chem. J. Chinese Universities

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Synthesis and Crystal Structure of a Novel Superamolecular Compound Based on Imidazole Functionalized Sandwich Type of Tungstobismutate

LIU Hong^1,2, XU Lin¹, QIU Yun-Feng¹, AN Wen-Jia¹, JIN Ya-Na¹, XU Bing-Bing¹

1. Institute of Polyoxometalates, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China;
2. College of Chemistry and Medicine, Jiamusi University, Jiamusi 154007, China

Received:2005-12-31 Revised:1900-01-01 Online:2006-08-10 Published:2006-08-10
Contact: XU Lin

Abstract

Abstract: A novel superamolecular compound, Na₈H[{Na(H₂O)}₃{Mn(C₃H₄N₂)}₃(BiW₉O₃₃)₂]·32H₂O, was synthesized under the open-air conditions, and characterized by X-ray single-crystal diffraction, IR spectra and elemental analysis. The crystal belongs to hexagonal system, space group P6(3)/m with a=1.394 8(4) nm, b=1.394 8(4) nm, c=3.348 6(19) nm, γ=120°, V = 5.641(4) nm³, Z=12. The crystal structure consists of two α-B-BiW9 subunits and displays a sandwich type polyanion linked by three Mn2+ ions between the two α-B-BiW9 units and the Mn²⁺ ions coordinate an imidazole molecule, respectively. Thus, this compound can be considered as a new kind of inorganic-organic hybrid materials. Moreover, three neighboring [[{Na(H₂O)}₃{Mn(C₃H₄N₂)}₃(BiW₉O₃₃)₂]^9- polyanions form a triangle cavity through the nonclassical hydrogen bonds and such units extend further along ab plane to construct two-dimensional layered framework. Such two-dimensional layered structure further pack each other interlacedly along c axis to construct an interesting three-dimensional supramolecular framework containing a one-dimensional hexagonal channels.

Key words: Polyoxometalate, Imidazole, Channel, Superamolecular compound

CLC Number:

O614

TrendMD:

LIU Hong^1,2, XU Lin¹, QIU Yun-Feng¹, AN Wen-Jia¹, JIN Ya-Na¹, XU Bing-Bing¹. Synthesis and Crystal Structure of a Novel Superamolecular Compound Based on Imidazole Functionalized Sandwich Type of Tungstobismutate[J]. Chem. J. Chinese Universities, doi: .

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Synthesis and Crystal Structure of a Novel Superamolecular Compound Based on Imidazole Functionalized Sandwich Type of Tungstobismutate

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