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Updated: Oct 9, 2026

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
Detection of the EPR spectra of NO. in ruthenium(II) complexes
B R McGarvey1, A A Ferro, E Tfouni
1School of Physical Sciences, Chemistry and Biochemistry, University of Windsor, Windsor, Ontario N9B 3P4, Canada. beprm@uwindsor.ca
Abstract:
The EPR of NO. can be detected in the liquid and solid states when crystal fields are sufficient to remove the axial symmetry and separate the (pi*)x and (pi*)y orbitals by a few hundred reciprocal centimeters. The theory of the EPR spin Hamiltonian of bound NO. is reviewed, further developed, and then applied to the observed frozen-liquid spectra of NO. bound to Ru(II) obtained from RuIINO+ complexes by reduction. Comparisons to earlier reports on the observation of the EPR spectra of NO. are made.
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