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KMID : 1059519950390050356
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Journal of the Korean Chemical Society
1995 Volume.39 No. 5 p.356 ~ p.363
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A Study on the Electronic Properties and Electrochemical Behavior of Transition Metal(Ⅳ) Complexes (Ⅳ)
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Choi Chil-Nam
Son Hyo-Youl
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Abstract
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The chemical behavior of the transition metal (Nb4+ and Mo4+) complexes with organoligand (dichloro-bis(η-cyclopentadienyl) has been investigated by the UV/vis-spectrophotometric, magnetic, and electrochemical method. The two or three energy absorption bands are observed by the spectra of these complexes. The magnitude of crystal field splitting energy, the spin pairing energy and bond strength was obtained from the spectra of the complexes. These are found to be delocalization, low-spin state, and strong bonding strength. The magnetic dipolemoment are found to be paramagnetic and diamagnetic complexes. The redox reaction processes of complexes were investigated by cyclic voltammetry in aprotic media. As a result the redox reaction proceses of Nb-C complex was couple-single reaction with diffusion and reaction current one electron process, and also Mo-C complex was couple-single reaction with reaction current of one electron process.
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KEYWORD
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