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Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Synthesis and spectroscopic study of copper(II) and manganese(II) complexes with pipemidic acid.


PMID 15996512

Abstract

The interaction of copper(II) and manganese(II) with pipemidic acid, Hpipem, afforded the complexes [Cu(pipem)(2)(H(2)O)] x 2H(2)O, 1 and [Mn(pipem)(2)(H(2)O)], 2. The new complexes have been characterised by elemental analyses, infrared, UV-vis and X-band EPR spectroscopy in the temperature range from 4 to 300 K. The monoanion, pipem, exhibits O,O ligation through the carbonyl and carboxylato oxygen atoms. Five coordinate square-pyramid configuration has been proposed for 1 and 2, and the fifth apical position is occupied by a coordinated water molecule.

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P7903
Pipemidic acid
C14H17N5O3