Optical electron transfer through 2,7-diethynylfluorene spacers in mixed-valent complexes containing electron-rich "(eta(2)-dppe)(eta(5)-C5Me5)Fe" endgroups

Floriane Malvolti; Cedric Rouxel; Olivier Mongin; Philippe Hapiot; Loic Toupet; Mireille Blanchard-Desce; Frederic Paul

doi:10.1039/c1dt10231a

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Optical electron transfer through 2,7-diethynylfluorene spacers in mixed-valent complexes containing electron-rich "(eta(2)-dppe)(eta(5)-C5Me5)Fe" endgroups

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Optical electron transfer through 2,7-diethynylfluorene spacers in mixed-valent complexes containing electron-rich "(eta(2)-dppe)(eta(5)-C5Me5)Fe" endgroups

Floriane Malvolti, Cedric Rouxel, Olivier Mongin, Philippe Hapiot, Loic Toupet, Mireille Blanchard-Desce and Frederic Paul

Dalton transactions : an international journal of inorganic chemistry, Vol.40(25), pp.6616-6618

01/01/2011

DOI: https://doi.org/10.1039/c1dt10231a

PMID: 21594288

Abstract

Chemistry

Chemistry, Inorganic & Nuclear

Physical Sciences

Science & Technology

We report in this communication the study of the intramolecular electron transfer through a 2,7-diethynylfluorenyl spacer in the Fe(II)/ Fe(III) mixed-valent (MV) complex [(eta(2)-dppe)(eta(5)-C5Me5)FeC C(2,7-C21H24)C CFe-(eta(5)-C5Me5)(eta(2)-dppe)][PF6] (1[PF6]). The complex is generated in situ by comproportionation from its homovalent dinuclear Fe(II) and Fe(III) parents (1 and 1[PF6](2)). It is shown that electronic delocalization is much more effective through a 2,7-fluorenyl than through a 4,4'-biphenyl bridging unit.

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Title: Optical electron transfer through 2,7-diethynylfluorene spacers in mixed-valent complexes containing electron-rich "(eta(2)-dppe)(eta(5)-C5Me5)Fe" endgroups
Creators - without role: Floriane Malvolti - University of Rennes
Cedric Rouxel - University of Rennes
Olivier Mongin - University of Rennes
Philippe Hapiot - University of Rennes
Loic Toupet - University of Rennes
Mireille Blanchard-Desce - University of Rennes
Frederic Paul - University of Rennes
Publication Details: Dalton transactions : an international journal of inorganic chemistry, Vol.40(25), pp.6616-6618
Publisher: Royal Soc Chemistry
Number of pages: 3
Grant note: CNRS; Centre National de la Recherche Scientifique (CNRS) UEB
Identifiers: 9937867408331
Academic Unit: King Abdulaziz University
Language: English
Resource Type: Journal article