Absolute configuration, polarity, morphology and optical activity of α-LiIO3
- 1 April 1989
- journal article
- Published by International Union of Crystallography (IUCr) in Journal of Applied Crystallography
- Vol. 22 (2) , 144-149
- https://doi.org/10.1107/s0021889888013007
Abstract
The absolute configuration of α-LiIO3 crystals has been reinvestigated. The redetermination of the absolute configuration is in agreement with a report by Stadnicka, Glazer & Moxon [J. Appl. Cryst. (1985), 18, 237–240]. Special attention should be paid to the selection of Bijvoet pairs in these and similar crystals. The signs of the piezoelectric and pyroelectric coefficients have been verified and correlated with the spontaneous polarization. The pyroelectric coefficient p 3 was −4.4 × 10−5 C m−2 K−1 at 180 K. The correlation between the optical activity and the morphology of the crystals is discussed.Keywords
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