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Electronic structures of ruthenium complexes encircling non-innocent ligand assembly

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Title Electronic structures of ruthenium complexes encircling non-innocent ligand assembly
 
Creator DAS, A
DAS, D
KUNDU, T
LAHIRI, GK
 
Subject Ruthenium
non-innocent ligand
spectroelectrochemistry
EPR spectroscopy
DFT calculations
O-IMINOBENZOSEMIQUINONATO COMPLEXES
BRIDGED DIRUTHENIUM COMPLEXES
TRANSITION-METAL-COMPLEXES
MIXED-VALENT COMPLEXES
OXIDATION-STATE
REDOX SERIES
POLYNUCLEAR COMPLEXES
WATER-OXIDATION
GROUND-STATE
N =+2,+1
 
Description Electronic structural forms of selected mononuclear and dinuclear ruthenium complexes encompassing redox non-innocent terminal as well as bridging ligands have been addressed. The sensitive valence and spin situations of the complexes have been established in the native and accessible redox states via detailed analysis of their crystal structures, electrochemistry, UV/VIS/NIR spectroelectrochemistry, EPR signatures at the paramagnetic states and DFT calculations. Mononuclear complexes exhibit significant variations in valence and spin distribution processes based on the simple modification of the non-innocent ligand frameworks as well as electronic nature of the co-ligands, sigma-donating or pi-accepting. Dinuclear complexes with modified pyrazine, p-quinone and azo-derived redox-active bridging ligands show complex features including redox-induced electron-transfer (RIET), remote metal to metal spin-interaction in a three-spin metal-bridge-metal arrangement as well as electron-transfer driven chemical transformation (EC).
 
Publisher INDIAN ACAD SCIENCES
 
Date 2014-10-16T15:07:30Z
2014-10-16T15:07:30Z
2012
 
Type Article
 
Identifier JOURNAL OF CHEMICAL SCIENCES, 124(6)1181-1189
http://dx.doi.org/10.1007/s12039-012-0316-3
http://dspace.library.iitb.ac.in/jspui/handle/100/15862
 
Language en