2-(4-Amino­phen­yl)-1-phenyl­diazenium 2,4,6-trinitro­phenolate
2011

Study of a New Salt Compound

publication Evidence: moderate

Author Information

Author(s): Smith Graham, Wermuth Urs D., White Jonathan M.

Primary Institution: Queensland University of Technology

Hypothesis

The study investigates the structure of a new diazenyl-protonated salt formed from aniline yellow and picric acid.

Conclusion

The new salt compound exhibits a convoluted two-dimensional network structure due to hydrogen bonding.

Supporting Evidence

  • The diazenyl group of the compound is protonated and forms a hydrogen bond with the picrate anion.
  • The structure is characterized by two symmetrical inter-ion three-centre hydrogen-bonding associations.
  • The compound crystallizes in a monoclinic system with specific cell parameters.

Takeaway

The researchers made a new type of salt by mixing two chemicals, and they found that it has a unique structure.

Methodology

The compound was synthesized by heating 4-(phenyldiazenyl)aniline and picric acid in ethanol-water and analyzed using X-ray crystallography.

Digital Object Identifier (DOI)

10.1107/S1600536811008968

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