Application of circular dichroism spectroscopy in the study of mixed-valence asymmetric ruthenium polypyridyl complexes.

نویسندگان

  • Hamid M Y Ahmed
  • Nadia Coburn
  • Danilo Dini
  • Jaap J D de Jong
  • Claudio Villani
  • Wesley R Browne
  • Johannes G Vos
چکیده

Circular dichroism (CD) spectroelectrochemistry is used to determine the extent of singly occupied molecular orbital delocalization in mixed-valence multinuclear complexes, specifically the mixed-valence Ru(II)Ru(III) states of the four diastereoisomers of [(Ru(bpy)(2))(2)(bpt)](3+) [1; bpy = 2,2'-bipyridyl and bpt = 3,5-bis(pyrid-2'-yl)-1,2,4-triazolato anion]. The complex was found to be stable to thermal racemization in the three oxidation states, but photoracemization in the Ru(II)Ru(II) state was observed.

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عنوان ژورنال:
  • Inorganic chemistry

دوره 50 13  شماره 

صفحات  -

تاریخ انتشار 2011