Crystals and clusters: quaternions and cosines
作者:
S.H. Walmsley,
期刊:
International Reviews in Physical Chemistry
(Taylor Available online 1986)
卷期:
Volume 5,
issue 2-3
页码: 185-189
ISSN:0144-235X
年代: 1986
DOI:10.1080/01442358609353381
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Some aspects of the theory of arrays of rigid molecules are reviewed. Attention is focused on the orientation of the molecules. Quaternions are useful for non-linear molecules in determining the structure of the arrays and they may be adapted to give convenient vibrational displacement coordinates. Direction cosines play a similar role for linear molecules. The application of these ideas to molecular crystals is discussed and a preliminary analysis of molecular clusters is given.
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