期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 109, 期 15, 页码 3501-3505出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp044384h
关键词
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Survey spectra of single-crystal HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-teti-azocine), RDX (hexahydro1,3,5-trinitro-1,3,5-triazine), and PETN (pentaerythritol tetranitrate) were acquired in the region from 10 to 80 cm(-1) using terahertz time-domain spectroscopy. The spectra were taken at temperatures ranging from 8.4 to 300 K. Generally, the spectra show multiple absorption peaks in the range 50-80 cm(-1), with PETN (110) showing strong absorption features at room temperature. RDX (210) is the most notable in the region 10-40 cm(-1), showing multiple spectral features, while HMX (0 10) shows a very broad absorption at 47.8 cm(-1) with a fwhm of 37.3 cm(-1). Future plans include polarization-dependent investigations for multiple crystallographic orientations over an increased spectral range and higher-level theoretical calculations.
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