Journal
INORGANICA CHIMICA ACTA
Volume 357, Issue 3, Pages 888-890Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2003.07.006
Keywords
electronic spectra; photochemistry; charge transfer; copper complexes; phenolate complexes
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The electronic spectrum of Cu-II(dps)(2) in CH3CN with dps = 3,5-diisopropylsalicylate shows a ligand field absorption at lambda(max) = 711 nm (epsilon = 140 M-1 cm(-1)), and a phenolate to Cu(II) ligand-to-metal charge transfer (LMCT) band at lambda(max) = 429 nm (epsilon = 950). LMCT excitation of Cu-II(dps)(2) leads to the reduction of Cu(II) to Cu(I). Copper(II) disappears with phi = 2.8 x 10(-3) at lambda(irr) = 436 nm. (C) 2003 Elsevier B.V. All rights reserved.
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