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Observation of Three Intervalence‐Transfer Bands for a Class II–III Mixed‐Valence Complex of Ruthenium
Author(s) -
Rocha Reginaldo C.,
Rein Francisca N.,
Jude Hershel,
Shreve Andrew P.,
Concepcion Javier J.,
Meyer Thomas J.
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200702760
Subject(s) - delocalized electron , valence (chemistry) , crystallography , chemistry , class (philosophy) , ruthenium , valence band , pyrazine , spectral line , physics , computer science , stereochemistry , condensed matter physics , quantum mechanics , band gap , artificial intelligence , organic chemistry , catalysis , biochemistry
Multiple intervalence‐transfer (IT) absorptions (see picture) appear in the near‐IR/IR spectra of the mixed‐valence complex [Cl 3 Ru II (tppz)Ru III Cl 3 ] − (tppz=tetrakis(2‐pyridyl)pyrazine), whose X‐ray crystal structure and electronic and vibrational spectroscopic features indicate localized‐to‐delocalized (Class II–III) behavior.
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