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

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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.

Quantity Value Units Method Reference Comment
Δfgas72.28 ± 0.67kcal/molCcbKozyro, Simirskii, et al., 1990ALS
Δfgas74.86kcal/molN/AWilliams, McEwan, et al., 1957Value computed using ΔfHsolid° value of 193.0 kj/mol from Williams, McEwan, et al., 1957 and ΔsubH° value of 120.2 kj/mol from Kozyro, Simirskii, et al., 1990.; DRB

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

Quantity Value Units Method Reference Comment
Ttriple504.KN/AVorob'eva, 1990Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δsub28.73 ± 0.41kcal/molVKozyro, Simirskii, et al., 1990ALS
Δsub28.73kcal/molN/AKozyro, Simirskii, et al., 1990DRB

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
27.82 ± 0.41379. to 438.MEKozyro, Simirskii, et al., 1990, 2AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Gas phase thermochemistry data, Phase change 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]


Notes

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