|Author||Ford, P. C.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ♦ CYANIDES ♦ LIFETIME ♦ LUMINESCENCE ♦ PHOTOCHEMICAL REACTIONS ♦ IRIDIUM COMPLEXES ♦ RHODIUM COMPLEXES ♦ ABSORPTION SPECTROSCOPY ♦ AQUEOUS SOLUTIONS ♦ EMISSION SPECTROSCOPY ♦ EXCITED STATES ♦ EXPERIMENTAL DATA ♦ LOW TEMPERATURE ♦ MEDIUM TEMPERATURE ♦ QUANTUM EFFICIENCY ♦ CHEMICAL REACTIONS ♦ COMPLEXES ♦ DATA ♦ DISPERSIONS ♦ EFFICIENCY ♦ ENERGY LEVELS ♦ INFORMATION ♦ MIXTURES ♦ NUMERICAL DATA ♦ SOLUTIONS ♦ SPECTROSCOPY ♦ TRANSITION ELEMENT COMPLEXES ♦ Photochemistry|
|Abstract||It has been shown that the photochemical properties of the M(CN)/sub 6//sup 2 -/ (M = Co(III), Rh(III), Ir(III)) complexes are parallel, each giving the pentacyanoaquo complex as the only photoproduct when photolysis is conducted in acidic aqueous media. However, of these only Co(CN)/sub 6//sup 3 -/, which displays a wave-length-independent quantum yield for photoaquation of 0.31 +/- 0.02 mol/einstein, has had its solution photosubstitution properties quantitatively characterized. Reported here are quantitative investigations of the photosubstitutions displayed by the Rh(CN)/sub 6//sup 3 -/ and Ir(CN)/sub 6//sup 3 -/ ions in acidic aqueous solution at 25/sup 0/C. Also reported are the low-temperature (77K) luminescence spectra and emission lifetimes of these species and of the photoproducts M(CN)/sub 5/H/sub 2/O/sup 2 -/. 39 references, 4 figures, 3 tables.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Organization||Univ. of California, Santa Barbara|
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