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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 4, Number 1
January 20, 1983 

Molecular Reorientation in the Presence of the Extended Diffusion of Internal Rotation in Liquid Perdeuterotoluene
Doo Soo Chung, Myung Soo Kim, Jo Woong Lee, Kook Joe shin
The effect of internal rotation of methyl group in liquid perdeuterotoluene on nuclear quadrupole relaxation of methyl deuterons is investigated. A model of a spherical diffusor undergoing rotational diffusion is extended to include the extended diffusion of internal rotation. The overall reorientational correlation time in the presence of internal rotation is explicitly given as an analytical function of the angular momentum correlation time. Also, the degree of inertial effect in the internal rotation is evaluated.
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