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| Infrared spectrum study of tetraethyl orthosilicate |
| Liu Lei1, Feng Xiaoyan1, Zhou Erpeng1, Wang Lixin1, Zhou Juan1, Xiao Xiao1, #br#
Wei Xiaoqing2, Yu Hongwei1 |
1. Chemical Engineering School of Shijiazhuang University, Shijiazhuang 050035, China; 2. Shijiazhuang Power
Fine Chemical Corporation Ltd., Shijiazhuang 052160, China |
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Abstract The tetraethyl orthosilicate molecular structure had been studied by infrared spectrum (IR spectrum)which includs one dimensional IR spectrum, second derivative IR spectrum, fourth derivative IR spectrum and deconvolution IR spectrum. Five infrared absorption modes of tetraethyl orthosilicate were found, which are ν■ orthosilicate, ν■ orthosilicate, ν■ orthosilicate, νasSi-O-tetraethyl orthosilicate and νsSi-O-tetraethyl orthosilicate. The tetraethyl orthosilicate deconvolution IR spectrum is superior to one dimensional IR spectrum, second derivative IR spectrum and fourth derivative IR spectrum. It is demonstrated the key roles of IR spectrum in the analysis of structure of the important organic chemical intermediates (tetraethyl orthosilicate).
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