Title: Synthesis and non-linear optical properties of (eta(5)-pentaphenylcyclopentadienyl)dicarbonylruthenium(II) sigma-alkenyl complexes
Authors: Humphrey, PA ×
Turner, P
Masters, AF
Field, LD
Cifuentes, MP
Humphrey, MG
Asselberghs, Inge
Persoons, Andre
Samoc, M #
Issue Date: Jan-2005
Publisher: Elsevier science sa
Series Title: Inorganica Chimica Acta vol:358 issue:5 pages:1663-1672
Abstract: The complexes [Ru{(Z)-HC=CHPh}(CO)(2)(eta(5)-C5Ph5)] (1) and [Ru{(Z)-HC=CHC6H4NO2}(CO)(2)(eta(5)-C5Ph5)] (2) have been synthesized and their identity confirmed by single-crystal X-ray diffraction studies. Reaction of 2 with PMe2Ph and Me3NO in tetrahydrofuran afforded [Ru{(Z)-HC=CHC6H4NO2}(CO)(PMe2Ph)(eta(5)-C5Ph5)] (3). Cyclic voltarnmetry confirms the expected increase in ease of oxidation on proceeding from 2 to 1 and from 2 to 3. Hyper-Rayleigh scattering studies at 1064 unit reveal a dramatic increase in quadratic non-linearity on co-ligand replacement of CO by PMe2Ph, in proceeding from 2 to 3. Z-scan studies at 800 nm are consistent with significant contribution from two-photon states, and with an increase in gamma(real) on co-ligand replacement of CO by PMe2Ph in proceeding from 2 to 3. (c) 2004 Elsevier B.V. All rights reserved.
ISSN: 0020-1693
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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