INTERNAL ROTATION OF CYCLOPROPYLGERMANE AND CYCLOPROPYLSILANE.$d_{3}$
TL;DRAbstract
The mid-infrared combination band spectra resulting form the internal rotation of the $CeH_{3}$ group of cyclopropylgermane and the $SiD_{3}$ group of cyclopropylsilane.$d_{3}$ have been recorded in the Ge.H and Si-D stretching regions, respectively. The barrier to internal rotation of 650 cm determined for the deuterated silane agrees well with the value for the undeuterated species and is higher than might be expected based on data for silylalkanes. This reflects an apparent interaction between the cylopropyl ring and the silicon atom. The barrier of $455 cm^{-1}$ determined for the cyclopropylgermane is similar to values previously determined for other organogermanes.
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The mid-infrared combination band spectra resulting form the internal rotation of the $CeH_{3}$ group of cyclopropylgermane and the $SiD_{3}$ group of cyclopropylsilane.$d_{3}$ have been recorded in the Ge.H and Si-D stretching regions, respectively. The barrier to internal rotation of 650 cm determined for the deuterated silane agrees well with the value for the undeuterated species and is higher than might be expected based on data for silylalkanes. This reflects an apparent interaction between the cylopropyl ring and the silicon atom. The barrier of $455 cm^{-1}$ determined for the cyclopropylgermane is similar to values previously determined for other organogermanes.
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