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Phys Chem Chem Phys. 2014 Sep 07;16(33):17417-21. doi: 10.1039/c4cp02045f.

Two-color delay dependent IR probing of torsional isomerization in a [AgL₁L₂]⁺ complex.

Physical chemistry chemical physics : PCCP

Johannes Lang, Maximilian Gaffga, Fabian Menges, Gereon Niedner-Schatteburg

Affiliations

  1. Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany.

PMID: 25047012 DOI: 10.1039/c4cp02045f

Abstract

Two-color infrared multiple photon dissociation (2c-IR-MPD) spectroscopy with delayed pulses indicates a torsional isomerization in a "ligand-metal-chelate" complex [AgL1L2](+). Ab initio calculations reveal the torsional barrier as well as the change in vibrational frequencies and IR intensities along the isomerization pathway. The current approach bears prospects for further elucidation of competing interactions within naked or microsolvated complexes in gas phase coordination chemistry.

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