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Articles

Volumen and X‐Ray Diffraction Study of Cyanobenzylidene p,n Octyloxyaniline (CBOOA)

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Pages 149-159 | Received 23 Jan 1978, Published online: 28 Mar 2007
 

Abstract

Using X-ray diffraction and dilatometry, we have studied the evolution of the layer spacing and of the volume of CBOOA with decreasing temperature. The results show a small change of behavior in the smectic A phase at about 70°C, which could indicate that the lateral contraction of the molecules is stopped at that temperature. The values of the molecular area we obtained from our data led us to propose a model of bilayer in which the molecules of CBOOA are tilted with respect to the normal plane.

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