d-orbitaleffekte in silizium-substituierten π-elektronensystemen VI. Spektroskopische untersuchungen an alkyl- und silyläthylenen
作者:Hans Bock、Hans Seidl
DOI:10.1016/s0022-328x(00)88859-2
日期:1968.7
13 alkyl- and silylethylenes have been synthesized to determine their vertical ionization energies, characteristic IR frequencies, 1H NMR signals, π → π* electronic transitions, halfwave reduction potentials and ESR spin densities of their radical anions. The result confirm d/π interactions in the ground state and d/π interactions in the excited state of silylethylene-π-electron systems. The inductive
已经合成了13种烷基和甲硅烷基乙烯,以确定它们的垂直阴离子的垂直电离能,特征红外频率,1 H NMR信号,π→π*电子跃迁,半波还原电势和ESR自旋密度。结果确认d在基态/π相互作用和d /π在silylethylene-π电子系统的激发态相互作用。感应极化+ I(SiR 3)> + I(CR 3)可以根据R 3 SiCH 2基团的取代效应进行评估。