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Cd(II) and Zn(II) Coordination Polymers Assembled from Benzoyltrifluoroacetone and 1,2-Bis(4-Pyridyl)Ethane Ancillary ligands

Farzin Marandi, Shabahang Teimouri, Hoong-Kun Fun


Two novel cadmium(II) and zinc(II) metal-organic coordination polymers with a beta-diketone and N-donor ancillary ligands, [Cd(bpe)(btfa)2]n (1) and [Zn(bpe)(btfa)2]n (2), (Hbtfa = benzoyltrifluoroacetone and bpe = 1,2-bis(4-pyridyl)ethane), have been prepared and characterized by elemental analysis, IR and 'H NMR spectroscopy, and studied by thermal gravimetric analysis as well as single crystal X-ray diffraction. The crystal and molecular structures of 1 and 2 have been solved by X-ray diffraction and they turned out to be one-dimensional polymers with zigzag (1) and linear (2) dispositions of the metal atoms. These one-dimensional polymers are further connected to form a 3D supramolecular network by C-H--O and C-H--F interactions. Thermal stabilities of these polymeric complexes have also been investigated.


Coordination polymers; β-Diketone; 1,2-Bis(4-pyridyl)ethane

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Copyright (c) 2013 Farzin Marandi, Shabahang Teimouri, Hoong-Kun Fun

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