Effect of Coupling between Rotational and Translational Brownian Motions on NMR Spin Relaxation: Consideration Using Green Function of Rigid Body Diffusion

Authors: Beloborodov I.S.; Orekhov V.Y.; Arseniev A.S.

Source: Journal of Magnetic Resonance, Volume 132, Number 2, June 1998 , pp. 328-329(2)

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Abstract:

Using the Green function of arbitrary rigid Brownian diffusion (Goldstein, Biopolymers 33, 409-436, 1993), it was analytically shown that coupling between translation and rotation diffusion degrees of freedom does not affect the correlation functions relevant to the NMR intramolecular relaxation. It follows that spectral densities usually used for the anisotropic rotation diffusion (Woessner, J. Chem. Phys. 37, 647-654, 1962) can be regarded as exact in respect to the rotation-translation coupling for the spin system connected with a rigid body. Copyright 1998 Academic Press.

Language: English

Document Type: Miscellaneous

Affiliations: Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Science, ul. Miklukho-Maklaya 1610, Moscow, 117871, Russia

Publication date: 1998-06-01