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Pressure‐Temperature Phase Diagram of 1,4‐Dinitrocubane
Author(s) -
Piermarini G. J.,
Block S.,
Iyer S.,
Damavarapu R.
Publication year - 1993
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.19930180108
Subject(s) - phase diagram , fourier transform infrared spectroscopy , diamond anvil cell , fourier transform , phase (matter) , infrared , diagram , materials science , phase transition , analytical chemistry (journal) , infrared spectroscopy , chemistry , high pressure , optics , thermodynamics , physics , organic chemistry , statistics , mathematics , quantum mechanics
The pressure‐temperature reaction phase diagram for 1,4‐dinitrocubane (DNC) was determined utilizing optical polarizing microscopy and Fourier transform infrared (FTIR) spectroscopy in conjunction with a high pressure diamond anvil cell and the ruby fluorescence method of pressure measurement. A second‐order structural phase transition from α‐DNC to ß‐DNC has been identified and its pressure dependence determined. The transformation is of an order‐disorder type.