Journal Article

PUBDB-2023-04789

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Catching an Entatic State-A Pair of Copper Complexes

Hoffmann, A.Extern* ; Binder, S. ; Jesser, A.Extern* ; Haase, R. ; Flörke, U. ; Gnida, M.Extern* ; Salomone Stagni, M.Extern* ; Meyer-Klaucke, W.DESY* ; Lebsanft, B.Extern* ; Grünig, L. E. ; Schneider, S. ; Hashemi, M. ; Goos, A. ; Wetzel, A.Extern* ; Rübhausen, M. ; Herres-Pawlis, S. (Corresponding author)Extern*

2014
Wiley-VCH Weinheim

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Please use a persistent id in citations: doi:10.1002/anie.201306061

Abstract: The structures of two types of guanidine–quinoline copper complexes have been investigated by single-crystal X-ray crystallography, K-edge X-ray absorption spectroscopy (XAS), resonance Raman and UV/Vis spectroscopy, cyclic voltammetry, and density functional theory (DFT). Independent of the oxidation state, the two structures, which are virtually identical for solids and complexes in solution, resemble each other strongly and are connected by a reversible electron transfer at 0.33 V. By resonant excitation of the two entatic copper complexes, the transition state of the electron transfer is accessible through vibrational modes, which are coupled to metal–ligand charge transfer (MLCT) and ligand–metal charge transfer (LMCT) states.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)
2. Institute of Nanostructure and Solid State Physics (UNI-INF)

Research Program(s):

1. 899 - ohne Topic (POF4-899) (POF4-899)

Experiment(s):

1. DORIS Beamline C (DORIS III)
2. DORIS Beamline E4 (DORIS III)
3. DORIS Beamline X1 (DORIS III)

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