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Pyrazine, tetramethyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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
Deltafgas54.7 ± 4.5kJ/molCcbRibeiro da Silva, Morais, et al., 1996 

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

Quantity Value Units Method Reference Comment
Deltafsolid-39.9 ± 2.0kJ/molCcbRibeiro da Silva, Morais, et al., 1996 
Quantity Value Units Method Reference Comment
Deltacsolid-4823.2 ± 1.7kJ/molCcbRibeiro da Silva, Morais, et al., 1996 

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics 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:
BS - Robert L. Brown and Stephen E. Stein
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
Tboil463.2KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus358.5KN/AAnonymous, 1954Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Deltasub94.6 ± 4.0kJ/molCRibeiro da Silva, Morais, et al., 1996ALS
Deltasub94.6kJ/molN/ARibeiro da Silva, Morais, et al., 1996DRB
Deltasub94.6 ± 4.0kJ/molCRibeiro da Silva, Morais, et al., 1996AC

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:


Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
8.6PEBischof, Gleiter, et al., 1974Vertical value

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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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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 Japan AIST/NIMC Database- Spectrum MS-NW-3577
NIST MS number 231868

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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.

Ribeiro da Silva, Morais, et al., 1996
Ribeiro da Silva, M.A.V.; Morais, V.M.F.; Matos, M.A.R.; Rio, C.M.A.; Piedade, G.M.G.S., Thermochemical and theoretical study of some methyldiazines, Struct. Chem., 1996, 7, 329-336. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Anonymous, 1954
Anonymous, R., , Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 13, Ohio State Univ., 1954. [all data]

Bischof, Gleiter, et al., 1974
Bischof, P.; Gleiter, R.; Hofmann, P., Reversal in the sequence of the two highest occupied molecular orbitals in the series pyrazine, 2,6-dimethylpyrazine, and tetramethylpyrazine, J. Chem. Soc., Chem. Commun., 1974, 767. [all data]


Notes

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