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5-Amino-2-methyl-2H-tetrazole

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes

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.

Quantity Value Units Method Reference Comment
Deltafgas71.41 ± 0.67kcal/molCcbKozyro, Simirskii, et al., 1990ALS
Deltafgas72.39kcal/molN/AWilliams, McEwan, et al., 1957Value computed using «DELTA»fHsolid° value of 210.9 kj/mol from Williams, McEwan, et al., 1957 and «DELTA»subH° value of 92.0 kj/mol from Kozyro, Simirskii, et al., 1990.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes

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

Quantity Value Units Method Reference Comment
Deltafsolid49.43 ± 0.62kcal/molCcbKozyro, Simirskii, et al., 1990 
Deltafsolid50.40kcal/molCcbWilliams, McEwan, et al., 1957 
Quantity Value Units Method Reference Comment
Deltacsolid-408.32 ± 0.60kcal/molCcbKozyro, Simirskii, et al., 1990 
Deltacsolid-409.30 ± 0.49kcal/molCcbWilliams, McEwan, et al., 1957 

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References, Notes

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

Quantity Value Units Method Reference Comment
Ttriple382.KN/AVorob'eva, 1990Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Deltasub22.0 ± 0.26kcal/molVKozyro, Simirskii, et al., 1990ALS
Deltasub22.0kcal/molN/AKozyro, Simirskii, et al., 1990DRB

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Method Reference Comment
21.7 ± 0.26310. - 373.MEKozyro, Simirskii, et al., 1990, 2AC

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Mass spectrum (electron ionization)

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

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 197099

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References