Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Spectroscopic Studies of Dialkylaluminum Alkoxides and the Trialkyl-aluminum-Ether Complex. II. Assignments of Observed Frequencies
Ryokichi Tarao
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1966 Volume 39 Issue 10 Pages 2126-2132

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Abstract

The polarization data on the Raman lines of Al(CH3)3·(CH3)2O, [Al(CH3)2OCH3]3, [Al(C2H5)2OCH3]3, and [Al(C2H5)2OC2H5]2 have been obtained in the 3100–130 cm−1 region. Most of the infrared absorption bands and Raman lines of these four compounds in the skeletal vibration region (720–130 cm−1) have been tentatively assigned with the aid of these polarization data and on the assumption that the symmetries of these four compounds are as given in the previous paper. The Raman spectra of Al(CH3)3·(CD3)2O, [Al(CH3)2OCD3]3, and [Al(C2H5)2-OC2D5]2 have been measured in the 3100–130 cm−1 region. Most of the infrared absorption bands and Raman lines of Al(CH3)3·(CH3)2O, [Al(CH3)2OCH3]3, [Al(C2H5)2OCH3]3, and [Al(C2H5)2OC2H5]2 in the CH-stretching region (3100–2700 cm−1) have been assigned with the aid of the spectroscopic data of the above-mentioned partly-deuterated substances.

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