Raman scattering spectroscopic study of n-pentane under high pressure

doi:10.1366/0003702053946083

CORC > 北京大学 > 地球与空间科学学院

	Raman scattering spectroscopic study of n-pentane under high pressure
	Qiao, EW ; Zheng, HF
刊名	应用光谱学
	2005
关键词	moissanite anvil cell Raman scattering spectroscopy n-pentane high pressure freezing at over-pressurization equilibrium freezing pressure HYDROSTATIC PRESSURE MIXTURES LIQUIDS
DOI	10.1366/0003702053946083
英文摘要	The Raman spectroscopy of n-pentane was investigated in a Moissanite anvil cell from 0.07 GPa to 4.77 GPa at ambient temperature. The result shows that the CH(3) symmetric stretching vibration (2877 cm(-1)) and asymmetric stretching vibration (2964 cm(-1)), the CH(2) symmetric stretching vibration (2856 cm(-1)) and asymmetric stretching vibration (2935 cm(-1)), and -(CH(2))(n)- in-phase twist mode (1303 cm-1) shifted to higher wavenumbers almost linearly with increasing pressure. Around 2.4 GPa an abrupt visible change took place, indicating a sort of phenomenon of freezing due to over-pressurization. In the pressure range of 2.84 to 4.77 GPa a high-pressure phase transition may occur in the crystallized n-pentane. By determining pressure with the method of solid-liquid coexistence, we concluded that the equilibrium freezing pressure of n-pentane is 1.90 +/- 0.05 GPa at 27 degrees C.; Instruments & Instrumentation; Spectroscopy; SCI(E); EI; PubMed; 4; ARTICLE; 5; 650-653; 59
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/346334]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Qiao, EW,Zheng, HF. Raman scattering spectroscopic study of n-pentane under high pressure[J]. 应用光谱学,2005.
APA	Qiao, EW,&Zheng, HF.(2005).Raman scattering spectroscopic study of n-pentane under high pressure.应用光谱学.
MLA	Qiao, EW,et al."Raman scattering spectroscopic study of n-pentane under high pressure".应用光谱学 (2005).