In situ Fe K-edge X-ray absorption spectroscopy of a nitrosyl iron(II) porphyrin adduct adsorbed on a high-area carbon electrode in aqueous electrolytes

I. T. Bae, Y. Tolmachev, Y. Mo, Daniel Alberto Scherson*, W. Robert Scheidt, Mary K. Ellison, Ming Chu Cheng, Robert S. Armstrong, Peter A. Lay

*Corresponding author for this work

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10 Citations (Scopus)

Abstract

The first in situ Fe K-edge X-ray absorption fine structure study is reported on the electronic and structural properties of a nitrosyl [meso-tetrakis(p-methoxyphenyl) porphyrinato]iron(II) adduct, [Fe(NO)(TMPP)], adsorbed onto a high-area carbon electrode. This adsorbed complex displayed a remarkable stability over a wide potential range, multiple-scattering XAFS analysis yielded bond lengths of Fe-Np = 1.99, Fe-NNO = 1.74, and Fe-OH2 = 2.02 Å, and an Fe-N-O bond angle of 155°, characteristic of FeIINO porhyrin adducts.

Original languageEnglish
Pages (from-to)3256-3258
Number of pages3
JournalInorganic Chemistry
Volume40
Issue number14
DOIs
Publication statusPublished - 2001 Jul 2
Externally publishedYes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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