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Photoredox decomposition of the adduct of methyltrioxorhenium(VII) and hexacyanoferrate(II) induced by metal-to-metal charge transfer excitation

Authors
Journal
Journal of Organometallic Chemistry
0022-328X
Publisher
Elsevier
Publication Date
Volume
506
Identifiers
DOI: 10.1016/0022-328x(95)05732-5
Keywords
  • Rhenium
  • Iron
  • Electronic Spectra
  • Photochemistry

Abstract

Abstract CH 3ReO 3 undergoes a charge-transfer interaction with Fe(CN) 6 4− in aqueous solution. It is assumed that the labile binuclear complex [(Me)O 3Re(μ-NC)Fe(CN) 5] 4− is formed. It is characterized by a metal-to-metal charge transfer absorption at λ max = 437 nm. Upon Fe(II) to Re(VII) charge transfer excitation, a redox photolysis takes place yielding [Fe(CN) 6] 3− as oxidation product with φ = 0.033 at λ irr = 436 nm.

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