Identification of an "end-on" nickel-superoxo adduct, [Ni(tmc)(O2)]

Matthew T. Kieber-Emmons, Jamespandi Annaraj, Mi Sook Seo, Katherine M. Van Heuvelen, Takehiko Tosha, Teizo Kitagawa, Thomas C. Brunold, Wonwoo Nam, Charles G. Riordan

Research output: Contribution to journalArticlepeer-review

117 Scopus citations


An "end-on" Ni2+-superoxo adduct has been prepared via two independent synthetic routes and its structure ascertained by spectroscopic and computational methods. The new structure type in nickel coordination chemistry is supported by resonance Raman and EPR spectroscopic features, the former displaying a high frequency ν (O-O) mode (1131 cm-1) consistent with significant superoxo character. The Ni2+-superoxo adduct oxidizes PPh3 to OPPh3 in quantitative yield.

Original languageEnglish
Pages (from-to)14230-14231
Number of pages2
JournalJournal of the American Chemical Society
Issue number44
StatePublished - 8 Nov 2006


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