Infrared Study of 1,3,5-triamino-2,4,6-trinitrobenzene Under High Pressure
作者： Michael Pravica , Brian Yulga , Zhenxian Liu , Oliver Tschauner
DOI: 10.1103/PHYSREVB.76.064102
关键词: Materials science 、 Spectroscopy 、 Fourier transform 、 Hydrogen 、 Analytical chemistry 、 Emission spectrum 、 Molecular vibration 、 Intermolecular force 、 Infrared 、 Infrared spectroscopy 、 Nuclear magnetic resonance
摘要: We report synchrotron Fourier transform infrared measurements of 1,3,5-triamino-2,4,6-trinitrobenzene in the mid-IR and far-IR spectral regions up to {approx}10GPa , using KBr or petroleum jelly compress samples. During experiment, we cycled pressure, measuring IR spectra at various pressures, determine whether sample survived. In both experiments, no phase transition was observed. high frequency region ({approx}3000cm{sup -1}) peak frequencies NH{sub 2} symmetric antisymmetric vibrational modes decrease with increasing indicating strengthening intermolecular hydrogen bonding pressure.
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