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Abstract
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.
Published Version
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