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Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
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Nitrogen Backbone Oligomers.

Hongbo Wang1, Mikhail I Eremets2, Ivan Troyan3

  • 11] Max Planck Institute for Chemistry, Biogeochemistry Department, PO Box 3060, 55020 Mainz, Germany [2] State Key Lab of Superhard Materials, Jilin University, Changchun 130012, P. R. China.

Scientific Reports
|August 20, 2015
PubMed
Summary
This summary is machine-generated.

Nitrogen and hydrogen react at high pressure to form energetic nitrogen-hydrogen chains, transforming into hydrazine upon pressure release. This discovery may enable practical synthesis of novel energetic materials.

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Area of Science:

  • Materials Science
  • High-Pressure Physics
  • Inorganic Chemistry

Background:

  • Nitrogen-hydrogen compounds are known for their high energy density.
  • Previous research has explored synthesis routes under various conditions.

Purpose of the Study:

  • To investigate the direct reaction between nitrogen and hydrogen at high pressures and room temperature.
  • To characterize the resulting nitrogen-hydrogen compounds and their transformations.

Main Methods:

  • High-pressure experiments up to ~35 GPa.
  • Infrared absorption spectroscopy.
  • Raman spectroscopy.
  • X-ray diffraction.
  • Theoretical calculations.

Main Results:

  • Direct reaction observed between nitrogen and hydrogen at ~35 GPa and room temperature.
  • Formation of single-bonded nitrogen chains terminated with hydrogen.
  • Product transforms into hydrazine below ~10 GPa.
  • Calculations indicate favorable formation of nitrogen-hydrogen compounds above 2 GPa.

Conclusions:

  • Successful synthesis of novel nitrogen-hydrogen compounds under high pressure.
  • Potential pathway for practical synthesis of high-energy materials.
  • Hydrazine formation observed as a transformation product.