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Spectroscopy, thermal and structural studies of new ZnII coordination polymer, [Zn3(μ-bpa)4.5(AcO)3](ClO4)3•4.26H2O
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DOI：10.1016/j.solidstatesciences.2007.07.016.png)
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Abstract
En 中文
Three Zn-II coordination polymers with acetate and perchlorate anions, [Zn-3(mu-bpa)(4.5)(AcO)(3)](ClO4)(3)center dot 4.26H(2)O (1), [Zn-2(mu-bpe)(3)(AcO)(2)] (ClO4)(2) (2) and [Zn-2(bpe)(AcO)(4)] (3), bpa = 1,2-bis(4-pyridyl)ethane and bpe = 1,2-bis(4-pyridyl)ethene, have been synthesized and characterized by elemental analysis, IR, H-1 NMR, and C-13 NMR spectroscopies, and the structure of compound 1 was determined by single-crystal X-ray diffraction. The thermal stabilities of compounds 1-3 were studied by thermal gravimetric (TG) and differential thermal analyses (DTA). The structural studies of compound 1 show that the structure may be considered as a three-dimensional coordination polymer of zinc(11) with large voids filled with disordered water molecules. The stability of the porous networks after removal of the guest water molecules is confirmed by X-ray powder diffraction. (C) 2007 Elsevier Masson SAS. All rights reserved.
Keywords:
DIPYRIDYL LIGANDS
CRYSTAL-STRUCTURE
SINGLE-CRYSTAL
MOLECULES
NETWORK
4,4'-BIPYRIDINE
COMPLEXES
NI
CO
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