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Article Dans Une Revue Chemistry of Materials Année : 2003

Polymorphism of cyclopentanol: Crystallographic characterization of the ordered and disordered phases

Résumé

The polymorphism of cyclopentanol (C5H10O) has been further investigated by X-ray powder diffraction experiments and it has been found to agree with the most recent thermodynamic study [J. Chem. Thermodyn. 1995, 27, 953]. In addition to the previously reported orientationally disordered hexagonal phases I and II, the lattice symmetry of the low-temperature ordered phases III and IV have been determined by means of pattern-matching analyses both as monoclinic with Z = 24 (Cc and C2/c, respectively). The patterns revealed no significant differences between phases III and IV and the transition between both phases was found through careful determination of the variation of the lattice parameters as a function of the temperature. The strength of intermolecular interactions as well as the anisotropy in the solid phases has been analyzed by the study of the isobaric thermal-expansion tensor and the results are discussed in the light of previously reported literature covering dynamics disorder.
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hal-01550888 , version 1 (03-01-2018)

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M. A. Rute, Josep Salud, David O. Lopez, Josep Lluis Tamarit, Philippe Négrier, et al.. Polymorphism of cyclopentanol: Crystallographic characterization of the ordered and disordered phases. Chemistry of Materials, 2003, 15 (25), pp.4725-4731. ⟨10.1021/cm031081b⟩. ⟨hal-01550888⟩

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