4.3 Article

Photochemical cleavage of nitrate ion coordinated to a Cr(III) porphyrin#

Journal

JOURNAL OF COORDINATION CHEMISTRY
Volume 63, Issue 14-16, Pages 2743-2749

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2010.492217

Keywords

Chromium(III); Photochemistry; Nitrite; Nitrogen dioxide

Funding

  1. US National Science Foundation [CHE-0352650, CHE-0749524]
  2. UCSB Office of Undergraduate Research, URCA

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Photolysis of the nitrato chromium(III) tetraphenylporphyrinato compound Cr(TPP)(NO3) (TPP, tetraphenylporphyrin) in toluene solution clearly leads to the formation of the Cr(IV) oxo complex Cr(TPP)(O) with a quantum yield of 0.011. The other product, NO2, was detected quantitatively by its reaction with the spin trapping agent 2,2,6,6-tetramethyl-piperidine-1-oxyl.

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