Pyrolysis gaschromatography of the mixed ligand complexes of molybdenum- and tungsten-dinitrosyls |
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| Affiliation: | Department of Chemistry, Faculty of Science, Fukuoka University, Nanakuma, Nishi-ku, Fukuoka 814-01, Japan;Department of Chemistry, National Institute of Technology Durgapur, M. G. Avenue, Durgapur 713209, West Bengal, India;Department of Chemistry, National Institute of Technology Durgapur, M. G. Avenue, Durgapur 713209, West Bengal, India |
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| Abstract: | The pyrolytic behavior of the cis-dinitrosyl complexes with the general formulas [M(NO)2Cl2L2], [M(NO)2Cl2L′], and [M(NO)2L2′] where M is Mo or W, L is monodentate and L′ bidentate ligands were investigated by means of the TG, DSC, and pyrolysis gaschromatography (PGC) analyses. Upon pyrolysis, these dinitrosyls have been found to yield a gaseous product composed of N2, N2P and NO; the mixed ligands L and L′ which are good π-electron acceptor and readily oxidized, favor the occurrence of the redox reaction of the nitrosyl ligands. The formation of N2 and N2O are discussed by taking into account a thermally induced, intramolecular interaction between the nitrosyl and the adjacent ligand L or L′ initiating the redox reaction. |
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