Synthesis and Crystal Structure of Organic-inorganic Hybrid:{[Na2(H2O)4]2[γ-Mo8O26(Gly-Gly)2]}·4H2O

Abstract

Abstract: A new compound, {[Na₂(H₂O)₄]₂[γ-Mo₈O₂₆(Gly-Gly)₂]}·4H₂O, was synthesized and characterized by elemental analyses, IRand single crystal X-ray diffraction. The compound crystallizes with triclinic symmetry in the space group P1 with a=0. 94166(9) nm, b=1. 13098(8) nm, c=1. 17804 (8) nm, α=63. 768(6)°,β=74. 231(5)°, γ=82. 402(6)°, V=1. 08294(15) nm³, Z=1, R₁= 0. 0329, wR₂= 0. 0925. The Gly-Gly ligands are coordinated via their carboxylate-oxyyen atoms at the vacant sites on the two five-coordinate molybdate for the centrosymmetric γ-[Mo₈O₂₆]]^4-anion. Because of weak interaction between the unit of γ-[Mo₈O₂₆(Gly-Gly)₂] and [Na₂(H₂O)₄] unit, one infinite 2D layer can be constructed.

Key words: Organic-inorganic hybrid material, Polyoxometalate, Glycyclglycine, Crystal structure

CLC Number:

O611

TrendMD:

HAN Zheng-Bo, AN Hai-Yan, WANG Li, LUAN Guo-You, WANG En-Bo, HAN Zheng-Xue. Synthesis and Crystal Structure of Organic-inorganic Hybrid:{[Na₂(H₂O)₄]₂[γ-Mo₈O₂₆(Gly-Gly)₂]}·4H₂O[J]. Chem. J. Chinese Universities, 2003, 24(9): 1558.

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Synthesis and Crystal Structure of Organic-inorganic Hybrid:{[Na₂(H₂O)₄]₂[γ-Mo₈O₂₆(Gly-Gly)₂]}·4H₂O

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