胺类杂氮硅三环化合物红外光谱研究

Infrared Spectra Studies of γ-Aminogroup Substituted Silatranes

对γ－氨丙基杂氮硅三环、γ－乙二胺基丙基杂氮硅三环、γ－乙二撑三胺基丙基杂氮硅三环３种化合物的红外光谱进行了研究。胺基的特征吸收为：伸缩振动ｖ_（ａｓ）（ＮＨ）和ｖ_ｓ（ＮＨ）；剪式振动δ（ＮＨ_２）。三环的特征吸收为：ＣＨ_２的弯曲振动ω（ＣＨ_２Ｎ）、ω（ＣＨ_２Ｏ）和τ（ＣＨ_２Ｏ）；Ｃ－Ｏ键的伸缩振动ｖ（Ｃ－Ｏ）；Ｎ－Ｃ键的伸缩振动ｖ_（ａｓ）（ＮＣ_３）和ｖ_ｓ（ＮＣ_３）；Ｓｉ－Ｏ键的伸缩振动ｖ_（ａｓ）（Ｓｉ－Ｏ）和ｖ_ｓ（Ｓｉ－Ｏ）；Ｃ－Ｃ键的伸缩振动ｖ（Ｃ－Ｃ）；以及Ｓｉ←Ｎ配键的伸缩振动ｖ（Ｓｉ←Ｎ）。

The detailed studies of infrared spectra of silatranes of γ-aminopropyl,γ-ethylenediaminopropyl,γ-diethylenetriaminopropyl, were made. The characteristic absorption of aminogroup contains : stretching vibration of v_(as)(NH) and v_s(NH), an plane bending vibration δ(NH_2);The characteristic absorption of tricyclo contains:the bending vibrations ω(CH_2N),ω(CH_2O) and τ(CH_2O) of CH_2 group; the stretching vibration v (C-O) of C-O bonds:the stretching vibrations v_(as) (NC_3 ) and v_s (NC_3 ) of N- C bonds; the retching vibrations v_(as) (Si-O) and v_s(Si-O) of Si-O bonds; the stretching vibration v(C-C) of C-C bond ; and the stretching vibration v(Si←N) of Si←N bond.