Synthesis, characterization, spectroscopic and electrochemical properties of trans,trans,trans-bis(triphenyl phosphine) bis(aroyl hydrazonato)ruthenium(II) complexes |
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| Authors: | Dipankar Mishra Alexander J Blake |
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| Institution: | a Department of Chemistry, Bengal Engineering and Science University, Shibpur, Howrah 711 103, India
b School of Chemistry, The University of Nottingham, University Park, Nottingham NG7 2RD, England, UK |
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| Abstract: | Four ruthenium (II) complexes of general formula Ru(PPh3)2(L)2 have been synthesized and characterized. The spectroscopic and cyclic voltammetric studies of these complexes are also reported. X-ray crystal structure determination of two of the complexes reveal that Ru(II) occupies trans,trans,trans-(t,t,t) N2O2P2 centrosymmetric octahedral environments, with the ligand pair occupying the equatorial plane. 31P NMR confirms the presence of two trans-PPh3 groups in all the complexes. The transformation of the complexes in dichloromethane solution is studied by spectrophotometry and 31P NMR spectroscopy. |
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| Keywords: | Ruthenium(II) hydrazone complexes Synthesis X-ray structures Cyclic voltammetry Oxidation PM3 calculations 31P NMR |
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