1H-1,2,3,4-Tetrazol-5-amine, 1-methyl-

• Formula: C₂H₅N₅
• Molecular weight: 99.0946
• IUPAC Standard InChI: InChI=1S/C2H5N5/c1-7-2(3)4-5-6-7/h1H3,(H2,3,4,6) Copy

  
• IUPAC Standard InChIKey: GTKOKCQMHAGFSM-UHFFFAOYSA-N Copy
• CAS Registry Number: 5422-44-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: 1-Methyl-5-aminotetrazole; 1H-Tetrazol-5-amine, 1-methyl-; 5-Amino-1-methyl-1H-tetrazole
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • References
  • Notes
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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

= C₂H₅N₅

By formula: C₂H₅N₅ = C₂H₅N₅

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Kozyro, Simirskii, et al., 1990
Kozyro, A.A.; Simirskii, V.V.; Krasulin, A.P.; Sevruk, V.M.; Kabo, G.Ya.; Frenkel, M.L.; Gaponik, P.N.; Grigor'ev, Yu.V., Thermodynamic properties of tetrazole derivatives in different aggregation states, Russ. J. Phys. Chem. (Engl. Transl.), 1990, 64, 348-350. [all data]

Williams, McEwan, et al., 1957
Williams, M.M.; McEwan, W.S.; Henry, R.A., The heats of combustion of substituted triazoles, tetrazoles and related high nitrogen compounds, J. Phys. Chem., 1957, 61, 261-267. [all data]

Vorob'eva, 1990
Vorob'eva, V.P., Enthalpies of phase transitions of tetrazole derivatives in Vses. Konf. Term. Org. Soedin. 6th, Minsk, p 31, 1990. [all data]

Kozyro, Simirskii, et al., 1990, 2
Kozyro, A.A.; Simirskii, V.V.; Krasulin, A.P.; Sevruk, V.M.; Kabo, G.Y.; Frenkel, M.L.; Gaponik, P.N.; Grigor'ev, Y.V., Russ. J. Phys. Chem., 1990, 64, 348. [all data]

Henry, Finnegan, et al., 1955
Henry, R.A.; Finnegan, W.G.; Lieber, E., Kinetics of the isomerization of substituted 5-aminotetrazoles, J. Am. Chem. Soc., 1955, 77, 2264-2270. [all data]

Notes

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• Symbols used in this document:
  

  Ttriple	Triple point temperature
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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