Wiley, Angewandte Chemie International Edition, 29(49), p. 4989-4992, 2010
Wiley, Angewandte Chemie, 29(122), p. 5109-5112, 2010
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(Figure Presented) Copper or nickel? The depicted CuII salen complex, an active-site model of galactose oxidase (GO), is a localized radical in the solid state with a quinoid distribution of bond lengths in one ring. While the ligandradical structure is not metal-dependent, the composition of the radical SOMO is. This feature may explain the much lower reactivity of the Ni complex and nature's preference for a CuII center in CO.