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- W2056154562 abstract "Die Lösungen der Diphenyliodoniumsalze von [Ru(CN)6]4−, [Fe(CN)5DMSO]3−, [Mo(CN)8]4−, [Mn(CN)5NO]3−, [W(CN)8]4− und [Fe(CN)6]4− in Methanol und anderen nichtwäßrigen Lösungsmitteln weisen aufgrund von Second-Sphere-Wechselwirkungen neue, breite Absorptionsbanden im sichtbaren Spektralbereich auf, die Ionenpaar-Charge-Transfer (IPCT)-Übergängen zugeordnet werden. Mit sinkender Akzeptorstärke des Lösungsmittels und zunehmender Oxidierbarkeit des komplexen Anions werden diese Absorptionen bathochrom verschoben, Substituenten am Phenylring beeinflussen die Absorptionsmaxima nicht. Die Einstrahlung in die IPCT-Banden bewirkt eine effiziente langwellige Photooxidation der Cyanometallate bei gleichzeitiger photoinduzierter katalytischer Zersetzung der Diphenyliodoniumionen. Photocatalytic Systems. LXVIII. Second-Sphere Photoreaction of Cyanometallates with Diphenyliodonium Ions Solutions of diphenyliodonium salts of [Ru(CN)6]4−, [Fe(CN)5DMSO]3−, [Mo(CN)8]4−, [Mn(CN)5NO]3−, [W(CN)8]4−, and [Fe(CN)6]4− in methanol and other non-aqueous solvents exhibit new, broad absorptions in the visible spectral range because of second-sphere interactions due to ion pair charge-transfer (IPCT). With the decreasing of the acceptor ability of the solvent and decreasing oxidation potential of the complex anion the absorptions are red-shifted. Substituents at the diphenyliodonium ion do not influence the absorption maxima. Irradiation into the IPCT bands leads to an efficient long-wavelength photooxidation of cyanometallate in competition with the photoinduced catalytic destruction of diphenyliodonium /ions." @default.
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- W2056154562 date "1988-02-01" @default.
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- W2056154562 title "Photokatalytische Systeme. LXVIII. Second-Sphere-Photoreaktion von Cyanometallaten mit Diphenyliodoniumionen" @default.
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- W2056154562 doi "https://doi.org/10.1002/zaac.19885570125" @default.
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