Abstract
Photoelectron spectra and charge-transfer excitation energies for I (R = H or RR = benzo, Z = C, Si, Ge, Sn, Pb) yield energy differences between the ground state of the neutral mol. and the various states of its radical cations. Redn. potentials are correlated with energy differences between the radical anion and the neutral mol.; persistent Me3Ge- and Me3Sn-substituted radical anions could be generated and 73Ge, 117Sn, and 119Sn isotope coupling obsd. The radical anion of C6H4(CMe3)2-1,4 could be identified. [on SciFinder(R)]
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