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https://doi.org/10.1016/j.poly.2010.03.005
Copy DOIJournal: Polyhedron | Publication Date: Mar 12, 2010 |
Citations: 23 |
The ligand N′-[(2-methoxyphenyl)carbonothioyl]pyridine-2-carbohydrazide (H 2mcph), having NNS donor sequence, has been found to form [Ni(Hmcph) 2]·CH 2Cl 2·0.5C 6H 6 and [Mn(Hmcph) 2]·2H 2O which have been characterized by spectroscopic and spectrometric techniques including magnetic susceptibility measurements and single crystal X-ray of both complexes. The compounds crystallize in the triclinic and monoclinic systems with the space group P 1 ¯ and P2(1)/ c, respectively with a distorted octahedral geometry about the M(II) center . The ligand is coordinated through the ring nitrogen, hydrazinic N and thione sulfur. The hydrazinic nitrogen coordinates with a shorter M–N distance than the ring nitrogen and the bond lengths in the chelate ring systems are intermediate between single and double bond distances, suggesting considerable delocalization of charge.
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