Observation and dynamics of "charge-transfer isomers"

Tasuku Ito; Naoyuki Imai; Tadashi Yamaguchi; Tomohiko Hamaguchi; Casey H. Londergan; Clifford P. Kubiak

doi:10.1002/anie.200353221

Observation and dynamics of "charge-transfer isomers"

Tasuku Ito, Naoyuki Imai, Tadashi Yamaguchi, Tomohiko Hamaguchi, Casey H. Londergan, Clifford P. Kubiak

Research output: Contribution to journal › Article › peer-review

56 Citations (Scopus)

Abstract

Upon electrochemical reduction, asymmetrically substituted dimers of Ru₃ clusters [Ru₃O(OAc)₆(L)(CO)(μ-pz)Ru ₃O-(OAc)₆(L′)(CO)] (pz = pyrazine, L and L′ are N ligands), exhibit IR spectral line coalescence in the ν_CO region. The IR spectra suggest the existence of two possible "charge-transfer isomers" for example, [A^--B] and [A-B ^-], in which A and B represent different Ru₃ moieties.

Original language	English
Pages (from-to)	1376-1381
Number of pages	6
Journal	Angewandte Chemie - International Edition
Volume	43
Issue number	11
DOIs	https://doi.org/10.1002/anie.200353221
Publication status	Published - 2004 Mar 5
Externally published	Yes

Keywords

Charge transfer
Electrochemistry
Electron transfer
IR spectroscopy
Mixed-valent compounds

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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abstract = "Upon electrochemical reduction, asymmetrically substituted dimers of Ru3 clusters [Ru3O(OAc)6(L)(CO)(μ-pz)Ru 3O-(OAc)6(L′)(CO)] (pz = pyrazine, L and L′ are N ligands), exhibit IR spectral line coalescence in the νCO region. The IR spectra suggest the existence of two possible {"}charge-transfer isomers{"} for example, [A--B] and [A-B -], in which A and B represent different Ru3 moieties.",

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AU - Ito, Tasuku

AU - Imai, Naoyuki

AU - Yamaguchi, Tadashi

AU - Hamaguchi, Tomohiko

AU - Londergan, Casey H.

AU - Kubiak, Clifford P.

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N2 - Upon electrochemical reduction, asymmetrically substituted dimers of Ru3 clusters [Ru3O(OAc)6(L)(CO)(μ-pz)Ru 3O-(OAc)6(L′)(CO)] (pz = pyrazine, L and L′ are N ligands), exhibit IR spectral line coalescence in the νCO region. The IR spectra suggest the existence of two possible "charge-transfer isomers" for example, [A--B] and [A-B -], in which A and B represent different Ru3 moieties.

AB - Upon electrochemical reduction, asymmetrically substituted dimers of Ru3 clusters [Ru3O(OAc)6(L)(CO)(μ-pz)Ru 3O-(OAc)6(L′)(CO)] (pz = pyrazine, L and L′ are N ligands), exhibit IR spectral line coalescence in the νCO region. The IR spectra suggest the existence of two possible "charge-transfer isomers" for example, [A--B] and [A-B -], in which A and B represent different Ru3 moieties.

KW - Charge transfer

KW - Electrochemistry

KW - Electron transfer

KW - IR spectroscopy

KW - Mixed-valent compounds

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