Pentazine

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For the pharmaceutical drug with the brand name Pentazine, see promethazine.
Pentazine
Names
Preferred IUPAC name
Pentazine
Identifiers
3D model (JSmol)
ChemSpider
  • C1=NN=NN=N1
  • c1nnnnn1
Properties
CHN5
Molar mass 83.054 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N (what is checkY☒N ?)

Pentazine is a hypothetical chemical compound that consists of a six-membered aromatic ring containing five nitrogen atoms with the molecular formula CHN5. The name pentazine is used in the nomenclature of derivatives of this compound.

Pentazine is predicted to be unstable and to decompose into hydrogen cyanide (HCN) and nitrogen (N2).[1] The activation energy required is predicted to be around 20 kJ/mol.[2]

See also

  • 6-membered rings with one nitrogen atom: pyridine
  • 6-membered rings with two nitrogen atoms: diazines
  • 6-membered rings with three nitrogen atoms: triazines
  • 6-membered rings with four nitrogen atoms: tetrazines
  • 6-membered rings with six nitrogen atoms: hexazine

References

  1. ^ Hurst, Derek T. (1996). "Other Tetrazines and Pentazines". Comprehensive Heterocyclic Chemistry II. pp. 957–965. doi:10.1016/B978-008096518-5.00138-6. ISBN 9780080965185.
  2. ^ J. Fabian and E. Lewars (2004). "Azabenzenes (azines) — The nitrogen derivatives of benzene with one to six N atoms: Stability, homodesmotic stabilization energy, electron distribution, and magnetic ring current; a computational study" (PDF). Canadian Journal of Chemistry. 82 (1): 50–69. doi:10.1139/v03-178. Archived from the original (PDF) on 2005-03-29.


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