A novel hybrid inorganic-metalorganic compound based on a polymeric polyoxometalate and a copper complex: synthesis, crystal structure and topological studies

Chemistry : a European Journal
Leire San FelicesLuis Lezama

Abstract

Reaction of monosubstituted Keggin polyoxometalates (POMs) and [Cu(ac)(pmdien)]+ generated in situ led to the formation of the hybrid metal organic-inorganic compound K5[Cu(ac)(pmdien)][SiW11CuO39].12H2O; its crystal structure and magnetic properties have also been determined. The packing of this compound can be viewed as a stacking of hydrogen-bonded chiral double chains, with the cationic complexes located between the two-dimensional arrangement of POM double chains. DFT calculations performed on [Cu(ac)(pmdien)]+ suggest that the distortion presented in this cationic copper complex is due to electronic effects. An AIM stability study of the cationic copper complex, in order to determine the relationship between the bond angle Cu-O-C and the denticity of the acetate ligand, has been carried out. Topological analyses over the polyhedral distortion, both of the monosubstituted polyanion and copper complexes, have been performed by means of continuous shape measures (CSM).

Citations

Nov 2, 2006·Dalton Transactions : an International Journal of Inorganic Chemistry·Laurent LisnardFrancis Sécheresse
Oct 24, 2007·Chemistry : a European Journal·Yu HouCraig L Hill
Apr 11, 2008·Dalton Transactions : an International Journal of Inorganic Chemistry·Jianfang CaoLin Xu
Sep 14, 2006·Chemical Reviews·Michael Kruppa, Burkhard König
Oct 26, 2005·Inorganic Chemistry·Meng LuZhonghua Peng

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