Spectral and structural studies of iron(III), cobalt(II,III) and nickel(II) complexes of 2-pyridineformamide N(4)-methylthiosemicarbazone

Reduction of 2-cyanopyridine by sodium in dry methanol in the presence of N(4)-methylthiosemicarbazide produces 2-pyridineformamide N(4)-methylthiosemicarbazone, HAm4M. Complexes with iron(III), cobalt(II,III) and nickel(II) have been prepared and characterized by molar conductivities, magnetic susc...

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Published in:Polyhedron 1999-09, Vol.18 (22), p.2919-2929
Main Authors: West, Douglas X, Swearingen, John K, Valdés-Martı́nez, Jesús, Hernández-Ortega, Simon, El-Sawaf, Ayman K, van Meurs, Frank, Castiñeiras, Alfonso, Garcia, Isabel, Bermejo, Elena
Format: Article
Language:English
Subjects:
2-Pyridineformamide
Cobalt
Crystal structure
Iron
Nickel
Thiosemicarbazone
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Summary:Reduction of 2-cyanopyridine by sodium in dry methanol in the presence of N(4)-methylthiosemicarbazide produces 2-pyridineformamide N(4)-methylthiosemicarbazone, HAm4M. Complexes with iron(III), cobalt(II,III) and nickel(II) have been prepared and characterized by molar conductivities, magnetic susceptibilities and spectroscopic techniques. In addition, the crystal structures of HAm4M, [Ni(Am4M)(OAc)], [Fe(Am4M) 2]ClO 4 and [Co(Am4M) 2]ClO 4 have been solved. Coordination is via the pyridyl nitrogen, imine nitrogen and thione or thiolato sulfur when coordinating as the neutral and anionic ligand, respectively.
ISSN:0277-5387
DOI:10.1016/S0277-5387(99)00210-7