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Molecular Physics
An International Journal at the Interface Between Chemistry and Physics
Volume 37, 1979 - Issue 1
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Original Articles

Relaxation nucléaire de l'azote et du proton dans le cyanoacétylène liquide

, , , &
Pages 271-278 | Received 11 Apr 1978, Published online: 23 Aug 2006
 

Abstract

On a étudié les temps de relaxation spin-réseau de l'azote et du proton du cyanoacétylène en phase liquide à différentes températures. La vitesse de relaxation du proton est décomposée en différentes contributions : spin-rotation, intra et intermoléculaire dipole-dipole. Les mouvements moléculaires de translation et de réorientation sont analysés en utilisant différents modèles (conditions aux limites de ‘glissement total’ et de ‘frottement total’, correction de Perrin …).

Abstract

Studies of the nitrogen and proton relaxation rates of liquid cyanoacetylene at various temperatures were carried out using pulsed N.M.R. The spin-rotation, the intra and intermolecular dipole-dipole contributions to the H1 relaxation rate are separated. The translational and rotational molecular motions have been analysed using various models (slip and stick boundary conditions, Perrin correction …).

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