The first structural characterization of toluene complexes of zinc is reported. The (perfluoroaryl)zinc compounds Zn(C 6 F 5 ) 2 ·(toluene) and Zn(C 6 F 4 -2-C 6 F 5 ) 2 ·(toluene) show toluene in η 2 and η 1 coordination modes, respectively. On the other hand, charge distribution calculations, Mulliken overlap population analysis, and bonding energy data suggest that the interactions between the Zn and the toluene ring are rather similar in both cases.
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Guerrero et al. (2006) studied this question.
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