Evidence for Photochemical Linkage Isomerism of the Phenylazo Ligand in M(CO)2(N2Ph)(PPh3)2 Cations (M = Fe and Ru)

Publisher： John Wiley & Sons Inc

E-ISSN： 1099-0682|2015|11|1946-1949

ISSN： 1434-1948

Source： EUROPEAN JOURNAL OF INORGANIC CHEMISTRY (ELECTRONIC), Vol.2015, Iss.11, 2015-04, pp. : 1946-1949

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Abstract

AbstractFrozen‐matrix photolysis studies of M(CO)2(N2Ph)(PPh3)2 cations (M = Fe and Ru) have revealed end‐on/side‐on photochemical linkage isomerism of the phenylazo ligand. The previously reported solvent‐dependent vibrational bands of the Ru(CO)2(N2Ph)(PPh3)2 cation have now been identified as an equilibrium between the two linkage isomers. DFT calculations have been performed on the end‐on and side‐on isomers of the iron and ruthenium complexes.

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