Abstract
Four mononuclear selenocyanate complexes, namely [Ni(bdpab)(NCSe)2], [Co(bdpab)(NCSe)2] and [Zn(bdpab)(NCSe)]Y (Y = ClO4 − or PF6 −), have been synthesized from the appropriate metal perchlorate, N,N-bis(3,5-dimethyl-1H-pyrazol-1-yl)methyl-N2-phenylethane-1,2-diamine (bdpab) and SeCN−, and characterized by physicochemical and spectroscopic methods. In addition, the X-ray crystal structures of [Ni(bdpab)(NCSe)2], [Co(bdpab)(NCSe)2] and [Zn(bdpab)(NCSe)]ClO4 have been obtained and show that the Ni(II) and Co(II) complexes have distorted octahedral geometries, whereas the Zn(II) complex has five coordination with a distorted trigonal bipyramidal geometry.
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Acknowledgments
Financial support from UGC in the form of major research project [F. No. 39-720/2010(SR)] is gratefully acknowledged. M. H. Sadhu thanks UGC, New Delhi, for a fellowship. The authors acknowledge the use of single-crystal X-ray diffraction facility, DST-Purse program at Faculty of Science, the M. S. University of Baroda, for crystallography study.
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Crystallographic data for the structural analysis have been deposited with the Cambridge Crystallographic Data Center, CCDC 1401708, 1401707, 1414044 for complex 1, complex 2 and complex 3 respectively. Copies of this information may be obtained free of charge from the Director, 12 Union Road, Cambridge CB12 1EW, UK; (fax: +44-1223-336033; e. mail: deposit@ccdc.cam.ac.uk). (DOC 931 kb)
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Sadhu, M.H., Kumar, S.B. Syntheses, characterization and structures of selenocyanate complexes of nickel(II), cobalt(II) and zinc(II) with a tetradentate pyrazole based ligand. Transition Met Chem 40, 755–762 (2015). https://doi.org/10.1007/s11243-015-9971-9
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DOI: https://doi.org/10.1007/s11243-015-9971-9