Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Equation of state and structural changes in diaminodinitroethylene under compression.

Suhithi M Peiris1, Chak P Wong, Frank J Zerilli

  • 1Research and Technology Department, Naval Surface Warfare Center, Indian Head, Maryland 20640, USA. PeirisSM@ih.navy.mil

The Journal of Chemical Physics
|July 23, 2004
PubMed
Summary

High pressure causes structural changes in 1,1-diamino-2,2-dinitroethylene (DADNE, FOX-7), revealing anisotropic compression and altered vibrational modes. These findings advance understanding of energetic materials under extreme conditions.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ab initio equation of state of the organic molecular crystal: beta-octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine.

The journal of physical chemistry. A·2010
Same author

Ab initio studies of crystalline nitromethane under high pressure.

The Journal of chemical physics·2007
Same author

Ab initio equation of state of an organic molecular crystal: 1,1-diamino-2,2-dinitroethylene.

The journal of physical chemistry. A·2007
Same author

First principles calculation of the mechanical compression of two organic molecular crystals.

The journal of physical chemistry. A·2006

Area of Science:

  • Materials Science
  • Crystallography
  • Spectroscopy

Background:

  • 1,1-diamino-2,2-dinitroethylene (DADNE, FOX-7) is an energetic material.
  • Understanding its behavior under pressure is crucial for safety and performance.

Purpose of the Study:

  • To investigate the structural and vibrational changes of DADNE under high pressure.
  • To determine the equation of state for DADNE.

Main Methods:

  • Angle-dispersive x-ray diffraction
  • Raman spectroscopy
  • Optical polarizing microscopy
  • Quantum chemistry calculations

Main Results:

  • DADNE exhibits anisotropic compression above 1 GPa, with greater compression along the b axis.

Related Experiment Videos

  • An ambient-temperature isothermal equation of state was generated.
  • Raman spectra shifts indicate changes in H-wagging vibrations with pressure.

    • Conclusions:

    • High pressure significantly alters DADNE's crystal structure and vibrational properties.
    • The study provides insights into the compressibility and high-pressure behavior of FOX-7.