The electron spin polarized (CIDEP) spectra of isopropyl radicals. A test of radical pair mechanism theory

Ziegelhoeffer A.; De Jong J.W.; Ferrari R.; Turi Nagy L.

Journal of Magnetic Resonance 63(3): 473-483


ISSN/ISBN: 1090-7807
DOI: 10.1016/0022-2364(85)90237-9
Accession: 061216922

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It is shown that the conventional use of an equation in which the electron spin polarization is dependent simply upon the square root of the magnetic mixing parameter, Q (see text), is inadequate to account for pure radical pair mechanism polarization effects in isopropyl radicals, and by implication most radicals. A better approximation involves the addition of a term linear in Q. Radicals from F pairs in this system are seen to exhibit polarizations inconsistent with simple theory. Both observations are discussed from the standpoint of existing theory.