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Spectroscopic and calorimetric investigation of cyclohexanol in different orientational states.
- Source :
-
Molecular Crystals & Liquid Crystals . 2022, Vol. 747 Issue 1, p30-41. 12p. - Publication Year :
- 2022
-
Abstract
- The thermal analysis and infrared (IR) spectroscopy were used to study cyclohexanol irreversible transformations from an orientationally disordered plastic state to metastable III and then to a stable II crystalline phase. It was found that the orientational glass transition in cyclohexanol occurs at Tg ∼ 163.5 K. Solid–solid transition from orientationally disordered phase I to metastable phase III occurs at 195 K. Crystal phase III nucleates at Ta = 203 K and converts into phase I at T = 233.7 K. The stable crystal phase II is formed by nucleation at 213 K. It converts into phase I at T = 250 K. It is shown by IR spectroscopy that the phase transitions in solid cyclohexanol are correlated with conformational changes in the cyclohexanol molecule. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15421406
- Volume :
- 747
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Molecular Crystals & Liquid Crystals
- Publication Type :
- Academic Journal
- Accession number :
- 160199248
- Full Text :
- https://doi.org/10.1080/15421406.2022.2066790