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1 Materials Science Poland

1 2005

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Structure and magnetic behavior of mononuclear and dinuclear Cu(II)/Zn(II) monocarboxylate-pyridine derivatives by crystal engineering

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Ohmura T. , Mori W. , Takei T. , Ikeda T.

tom Vol. 23, No. 3

729--736

We prepared metal organic frameworks such as copper(II) monocarboxylate (formate and benzoate) pyridine derivatives and zinc(II) monocarboxylate (p-phenyl benzoate and benzoate) pyridine derivatives. These complexes were synthesized at room temperature using pyridine or p-phenyl pyridine to grow single crystals that were then analyzed using single-crystal X-ray analysis. These structures are formed by hydrogen bonding and the self-assembly of pi-stacking of mononuclear units. The magnetic susceptibilities of the copper(II) complexes obeyed the Curie-Weiss law over the range of 2-300 K . The Weiss constants indicated the existence of small antiferromagnetic interactions arising from the hydrogen bonding.