Benzenamine, N,N,4-trimethyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Phase change data, Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas16.5 ± 1.8kcal/molCcbRiberio da Silva, Riberio da Silva, et al., 1996 

Phase change data

Go To: Top, Gas phase thermochemistry data, Reaction 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:
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
Δvap13.7 ± 1.6kcal/molVRiberio da Silva, Riberio da Silva, et al., 1996ALS
Δvap13.7kcal/molN/ARiberio da Silva, Riberio da Silva, et al., 1996DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
14.5338.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 (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
323.3 to 482.73.711001364.255-116.036Stull, 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, 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 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
Δr16.9kcal/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr(26.)cal/mol*KN/AMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.2331.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
Δr385.7 ± 5.1kcal/molG+TSCaldwell and Bartmessgas phase; B
Quantity Value Units Method Reference Comment
Δr379.0 ± 5.0kcal/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
Δr12.2kcal/molPHPMSMeot-Ner (Mautner), 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr20.6cal/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-0.3kcal/molKinKachurin, Matvienko, et al., 1980liquid phase; ALS

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

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- 584
NIST MS number 229670

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

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

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, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References