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Molecular Physics
An International Journal at the Interface Between Chemistry and Physics
Volume 47, 1982 - Issue 3
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Original Articles

Quasielastic neutron scattering study of reorientational motions in 2-adamantanone C10H14O

M. Bée Laboratoire de Dynamique des Cristaux Moléculaires (ERA 465), Université des Sciences et des Techniques de Lille, 59655, Villeneuve d'Ascq Cedex, France; Institut Laue-Langevin, 156 X, Centre de Tri, 38042, Grenoble Cedex, France
&
J.P. Amoureux Laboratoire de Dynamique des Cristaux Moléculaires (ERA 465), Université des Sciences et des Techniques de Lille, 59655, Villeneuve d'Ascq Cedex, France; Institut Laue-Langevin, 156 X, Centre de Tri, 38042, Grenoble Cedex, France
Pages 533-550 | Received 05 Jan 1982, Accepted 16 Apr 1982, Published online: 11 Aug 2006
 
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Abstract

Incoherent quasielastic neutron scattering (IQNS) has been used to investigate the molecular motions of adamantanone in its plastic phase. They can be described on the basis of a model allowing 120° jumps around the crystallographic [111] directions together with 90° rotations around the molecular twofold symmetry axis. The resulting values of correlation times follow the two Arrhenius laws

A description on the basis of the rotational diffusion model is also examined for the highest temperatures.

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Related Research Data

Emergence of glassy-like dynamics in an orientationally ordered phase
Source: HAL CCSD

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