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Updated: Jun 21, 2026

High-Temperature and High-Pressure In situ Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
Published on: October 9, 2020
[The reseach on Raman spectra of 1-hexanol at high pressure]
1Key Lab of Orogen and Crustal Evolution of Ministry of Education, SESS, Peking University, Beijing 100871, China. lirui6206@sohu.com
Abstract:
The present paper investigates Raman spectral characters of 1-hexanol by the SiC anvil cell at the pressure of 163.4-793.4 MPa and the temperature of 25 degrees C. It was found that under the pressure of 163.4-767.6 MPa the character of 1-Hexanol is steady, and the frequencies of C--H symmetrical stretch vibration and antisymmetric stretch vibration increase with increasing pressure, and the relations between the frequency and the pressure are given as follows: upsilon2876 = 0.009 1P + 2875.1, upsilon2931 = 0.005 7P+2930.5. At 793.4 MPa there is transformation from liquid state to solid state. On the basis of former data, the authors contrasted the features of 1-hexanol, methanol and ethanol under high pressure. It was revealed that the relation between wave numbers of C-H symmetrical stretch vibration peaks and system pressure is independent of the C--C bond, that is the relation between wave numbers of C-H symmetrical stretch vibration peaks and system pressure is foreign to the number of the carbon atoms.
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