Bis(azido) alpha-iminooxime cobalt macrocyclic complex: synthesis, spectroscopy and ZINDO/S calculations.

Spectrochim Acta A Mol Biomol Spectrosc

Departamento de Química, Universidade Federal do Paraná, Cx. Postal 19081, 81531-990 Curitiba, PR, Brazil.

Published: July 2009

Herein we report on the macrocyclic complex [Co(dohpn)(N3)2] (dohpn=2,3,9,10-tetramethyl-1,4,8,11-tetraazaundecane-1,3,8,10-tetraen-11-ol-1-olate). According to the MM+ optimized structure, it shows an octahedral environment around the metal ion with an overall planar configuration of the macrocyclic ligand, while azido ligands are not perpendicular to the plane of the macrocycle. Quantum mechanic calculations through semi-empirical methods were performed and a detailed spectroscopic (ZINDO/S) assignment is also presented.

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http://dx.doi.org/10.1016/j.saa.2009.02.025DOI Listing

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