Benzenamine, N,N,4-trimethyl-

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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
Δfliquid11.7 ± 2.7kJ/molCcbRiberio da Silva, Riberio da Silva, et al., 1996 
Quantity Value Units Method Reference Comment
Δcliquid-5411.2 ± 2.4kJ/molCcbRiberio da Silva, Riberio da Silva, et al., 1996 

Phase change data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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 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
Tboil484.2KN/AWeast and Grasselli, 1989BS
Tboil483.15KN/ABroxton, Deady, et al., 1970Uncertainty assigned by TRC = 2. K; TRC
Tboil484.3KN/APerkin, 1896Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δvap57.2 ± 6.9kJ/molVRiberio da Silva, Riberio da Silva, et al., 1996ALS
Δvap57.2kJ/molN/ARiberio da Silva, Riberio da Silva, et al., 1996DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
60.7338.AStephenson and Malanowski, 1987Based on data from 323. to 483. K. See also Stull, 1947.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
323.3 to 482.73.716711364.255-116.036Stull, 1947Coefficents calculated by NIST from author's data.

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:


Reaction thermochemistry data

Go To: Top, 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - 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

C9H13N+ + Benzenamine, N,N,4-trimethyl- = (C9H13N+ • Benzenamine, N,N,4-trimethyl-)

By formula: C9H13N+ + C9H13N = (C9H13N+ • C9H13N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr70.7kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr(110.)J/mol*KN/AMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
34.331.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

C9H12N- + Hydrogen cation = Benzenamine, N,N,4-trimethyl-

By formula: C9H12N- + H+ = C9H13N

Quantity Value Units Method Reference Comment
Δr1614. ± 21.kJ/molG+TSCaldwell and Bartmessgas phase; B
Quantity Value Units Method Reference Comment
Δr1586. ± 21.kJ/molIMRBCaldwell and Bartmessgas phase; B

C10H10Fe+ + Benzenamine, N,N,4-trimethyl- = (C10H10Fe+ • Benzenamine, N,N,4-trimethyl-)

By formula: C10H10Fe+ + C9H13N = (C10H10Fe+ • C9H13N)

Quantity Value Units Method Reference Comment
Δr51.0kJ/molPHPMSMeot-Ner (Mautner), 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr86.2J/mol*KPHPMSMeot-Ner (Mautner), 1989gas phase; M

Benzenamine, N,4-dimethyl- = 0.5p-Aminotoluene + 0.5Benzenamine, N,N,4-trimethyl-

By formula: C8H11N = 0.5C7H9N + 0.5C9H13N

Quantity Value Units Method Reference Comment
Δr-1.kJ/molKinKachurin, Matvienko, et al., 1980liquid phase; ALS

References

Go To: Top, 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.

Riberio da Silva, Riberio da Silva, et al., 1996
Riberio da Silva, M.A.V.; Riberio da Silva, M.D.M.C.; Monteiro, M.F.B.M.; Gomes, M.L.A.C.N.; Chickos, J.S.; Smith, A.P.; Liebman, J.F., Thermochemical studies for determination of the molar enthalpy of formation of aniline derivatives, Struct. Chem., 1996, 7, 367-373. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Broxton, Deady, et al., 1970
Broxton, T.J.; Deady, L.W.; Katritzky, A.R.; Liu, A.; Topsom, R.D., Infrared Intensities as a Quantitative Measure of Intermolecular Inter- actions XII. π-Distortions in teh Ground States of Some p-Alkylbenzenes, J. Am. Chem. Soc., 1970, 92, 6845. [all data]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S., Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems, J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026 . [all data]

Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E., , Unpublished results. [all data]

Meot-Ner (Mautner), 1989
Meot-Ner (Mautner), M., Ion DChemistry of Ferrocene. Thermochemistry of Ionization and Protonation and Solvent Clustering. Slow and Entropy - Driven Proton - Transfer Kinetics, J. Am. Chem. Soc., 1989, 111, 8, 2830, https://doi.org/10.1021/ja00190a014 . [all data]

Kachurin, Matvienko, et al., 1980
Kachurin, O.I.; Matvienko, N.M.; Chekhuta, V.G., N-Methylated p-toluidines, Russ. Chem. Rev., 1980, 46, 64-67. [all data]


Notes

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