Abstract
This article presents the electronic spectral characteristics enhanced with the structural, IR and magnetic data of the copper(II) acetate complex with 3-methyl-4-nitropyridine-N-oxide. The complex of the formula, [Cu2(OAc)4(3-mnpn)2], belongs to the group of the ‘paddle wheel’ type species with a very short (2.58 Å) metal–metal distance. In the electronic spectra, new bands were found at 16,000 and 24,000 cm−1, which have been tentatively assigned to the metal–metal interactions and solid state effects, respectively. The complex show fast kinetic exchange of the apical ligand, i.e. 3-methyl-4-nitropyridine-N-oxide.
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Acknowledgements
The authors are indebted to Dr A. Adach for magnetic moment measurements and to Ing. E. Mróź for recording the infrared spectra. The authors also thank Wroclaw University of Technology for financial support (grant No. W3 343813).
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Staszak, Z., Krojcer, A., Kubiak, M. et al. Electronic spectra and crystal structure of dinuclear Cu(II) ‘paddle wheel’ acetate complex containing axially coordinated 3-methyl-4-nitropyridine-N-oxide. Struct Chem 21, 305–313 (2010). https://doi.org/10.1007/s11224-009-9552-7
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DOI: https://doi.org/10.1007/s11224-009-9552-7