Electronic Resource
[S.l.]
:
International Union of Crystallography (IUCr)
Acta crystallographica
28 (1972), S. 648-652
ISSN:
1600-5724
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Chemistry and Pharmacology
,
Geosciences
,
Physics
Notes:
An isotropic approximation is developed for the covariance matrix of atomic vibration components in an arbitrary coordinate system. The effect of alternative treatments of these covariances on derived rigid-body vibration parameters is illustrated by a numerical comparison. Serious errors may result from neglect of the correlations between different components of the vibration tensors U if these are referred to non-orthogonal axes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0567739472001597
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