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'''Triazane''' is an [[inorganic compound]] with the [[chemical formula]] {{chem2|NH2NHNH2}} or {{chem2|N3H5}}.<ref>[http://goldbook.iupac.org/T06497.html IUPAC Goldbook]</ref> Triazane is the third simplest acyclic [[azane]] after [[ammonia]] and [[hydrazine]]. It can be synthesized from hydrazine but is unstable and cannot be isolated in the free base form, only as salt forms such as triazanium sulfate. Attempts to convert triazanium salts to the free base release only [[diazene]] and [[ammonia]].<ref>Wiberg, Holleman & Wiberg. Inorganic Chemistry. p 627. {{ISBN|9780123526519}}</ref> Triazane was first synthesized as a [[ligand]] of the silver complex ion: tris(μ<sup>2</sup>-triazane-κ<sup>2</sup>''N''<sup>1</sup>,''N''<sup>3</sup>)disilver(2+).{{clarification needed|Missing chemical formula of that silver complex!|date=September 2022}} Triazane has also been synthesized in electron-irradiated ammonia ices and detected as a stable gas-phase product after [[Sublimation (phase transition)|sublimation]].<ref>Forstel, Maksyutenko, Jones, Sun, Chen, Chang, & Kaiser. "Detection of the Elusive Triazane Molecule ({{Chem|[N|3|H|5|]}}) in the Gas Phase", ''ChemPhysChem'', 2015, 16, 3139.</ref>
'''Triazane''' is an [[inorganic compound]] with the [[chemical formula]] {{chem2|NH2NHNH2}} or {{chem2|N3H5}}.<ref>[http://goldbook.iupac.org/T06497.html IUPAC Goldbook]</ref> Triazane is the third simplest acyclic [[azane]] after [[ammonia]] and [[hydrazine]]. It can be synthesized from hydrazine but is unstable and cannot be isolated in the free base form, only as salt forms such as triazanium sulfate. Attempts to convert triazanium salts to the free base release only [[diazene]] and [[ammonia]].<ref>Wiberg, Holleman & Wiberg. Inorganic Chemistry. p 627. {{ISBN|9780123526519}}</ref> Triazane was first synthesized as a [[ligand]] of the silver complex ion: tris(μ<sup>2</sup>-triazane-κ<sup>2</sup>''N''<sup>1</sup>,''N''<sup>3</sup>)disilver(2+).{{clarification needed|Missing chemical formula of that silver complex!|date=September 2022}} Triazane has also been synthesized in electron-irradiated ammonia ices and detected as a stable gas-phase product after [[Sublimation (phase transition)|sublimation]].<ref>F&ouml;rstel, Maksyutenko, Jones, Sun, Chen, Chang, & Kaiser. "Detection of the Elusive Triazane Molecule ({{Chem|[N|3|H|5|]}}) in the Gas Phase", ''ChemPhysChem'', 2015, 16, 3139.</ref>


==Compounds containing the triazane skeleton==
==Compounds containing the triazane skeleton==

Revision as of 11:11, 10 February 2023

Triazane
Names
Systematic IUPAC name
Triazane[1]
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/H5N3/c1-3-2/h3H,1-2H2
    Key: PYHOFAHZHOBVGV-UHFFFAOYSA-N
  • NNN
Properties
N3H5
Molar mass 47.061 g·mol−1
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Triazane is an inorganic compound with the chemical formula NH2NHNH2 or N3H5.[2] Triazane is the third simplest acyclic azane after ammonia and hydrazine. It can be synthesized from hydrazine but is unstable and cannot be isolated in the free base form, only as salt forms such as triazanium sulfate. Attempts to convert triazanium salts to the free base release only diazene and ammonia.[3] Triazane was first synthesized as a ligand of the silver complex ion: tris(μ2-triazane-κ2N1,N3)disilver(2+).[clarification needed] Triazane has also been synthesized in electron-irradiated ammonia ices and detected as a stable gas-phase product after sublimation.[4]

Compounds containing the triazane skeleton

Several compounds containing the triazane skeleton are known, including 1-methyl-1-nitrosohydrazine (NH2−N(CH3)−N=O), produced from the solventless reaction of methylhydrazine (CH3NHNH2) and an alkyl nitrite (R–O–N=O):

CH3NHNH2 + RONO → NH2N(CH3)NO + ROH

1-Methyl-1-nitrosohydrazine is a colorless solid, sensitive to impact, but not to friction. It melts at 45°C and decomposes at 121°C.

References

  1. ^ "triazane - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information.
  2. ^ IUPAC Goldbook
  3. ^ Wiberg, Holleman & Wiberg. Inorganic Chemistry. p 627. ISBN 9780123526519
  4. ^ Förstel, Maksyutenko, Jones, Sun, Chen, Chang, & Kaiser. "Detection of the Elusive Triazane Molecule ([N
    3
    H
    5
    ]
    ) in the Gas Phase", ChemPhysChem, 2015, 16, 3139.