Benzenamine, N,N-dimethyl-

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Reaction thermochemistry data

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

Bromine anion + Benzenamine, N,N-dimethyl- = (Bromine anion • Benzenamine, N,N-dimethyl-)

By formula: Br- + C8H11N = (Br- • C8H11N)

Quantity Value Units Method Reference Comment
Δr49.0 ± 7.5kJ/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 303 K, corrected to 423 K, ΔSaff taken as that of PhNO2..Br-; B,M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KN/APaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr13. ± 4.2kJ/molIMREPaul and Kebarle, 1991gas phase; ΔGaff measured at 303 K, corrected to 423 K, ΔSaff taken as that of PhNO2..Br-; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
13.423.PHPMSPaul and Kebarle, 1991gas phase; Entropy change calculated or estimated; M

C8H11N+ + Benzenamine, N,N-dimethyl- = (C8H11N+ • Benzenamine, N,N-dimethyl-)

By formula: C8H11N+ + C8H11N = (C8H11N+ • C8H11N)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Δr66.5kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr110.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
33.304.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Aniline, N-methyl- = 0.5Benzenamine, N,N-dimethyl- + 0.5Aniline

By formula: C7H9N = 0.5C8H11N + 0.5C6H7N

Quantity Value Units Method Reference Comment
Δr-3.kJ/molEqkMatvienko, Kachurin, et al., 1982liquid phase; Methansulfonic acid; ALS
Δr-4.kJ/molKinKachurin, Matvienko, et al., 1979liquid phase; ALS

Benzenamine, N,N-dimethyl- + Hydrogen chloride = N,N-dimethylanilinium chloride

By formula: C8H11N + HCl = N,N-dimethylanilinium chloride

Quantity Value Units Method Reference Comment
Δr-27.4 ± 0.4kJ/molCmChernick, Skinner, et al., 1955liquid phase; ALS

Gas phase ion energetics data

Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
IE (evaluated)7.12 ± 0.02eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)941.1kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity909.2kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.15PEBehan, Johnstone, et al., 1976LLK
7.78EIHansen and Undheim, 1975LLK
7.10 ± 0.02PEMaier and Turner, 1973LLK
7.42CTSKobayashi, Kobayashi, et al., 1973LLK
7.11PECowling and Johnstone, 1973LLK
7.13 ± 0.04PIPotapov and Iskakov, 1971LLK
7.2CTSFinch, 1964RDSH
7.10 ± 0.05PIAkopyan and Vilesov, 1964RDSH
7.31CTSKinoshita, 1962RDSH
7.2CTSFoster, 1959RDSH
7.14 ± 0.03PIVilesov and Terenin, 1957RDSH
7.35PEKobayashi, 1978Vertical value; LLK
7.92PEKobayashi and Nagakura, 1974Vertical value; LLK
7.6PESchafer and Schweig, 1972Vertical value; LLK
7.37PEKobayashi and Nagakura, 1972Vertical value; LLK
7.51PEBaker, May, et al., 1968Vertical value; RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H5+15.7 ± 0.1?EIGowenlock, Jones, et al., 1961RDSH
C8H10N+10.56 ± 0.05HPIPotapov and Iskakov, 1971LLK
C8H10N+10.75 ± 0.05HPIAkopyan and Vilesov, 1964RDSH

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry 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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 118735

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References

Go To: Top, Reaction thermochemistry 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.

Paul and Kebarle, 1991
Paul, G.J.C.; Kebarle, P., Stabilities of Complexes of Br- with Substituted Benzenes (SB) Based on Determinations of the Gas-Phase Equilibria Br- + SB = (BrSB)-, J. Am. Chem. Soc., 1991, 113, 4, 1148, https://doi.org/10.1021/ja00004a014 . [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]

Matvienko, Kachurin, et al., 1982
Matvienko, N.M.; Kachurin, O.I.; Chekhuta, V.G., Kinetics and equilibrium of the transalkylation reaction of N-methylarylamines, Russ. Chem. Rev., 1982, 48, 42-45. [all data]

Kachurin, Matvienko, et al., 1979
Kachurin, O.I.; Matvienko, N.M.; Chekhuta, V.G., Disproportionation of N-methylaniline, Russ. Chem. Rev., 1979, 45, 43-47. [all data]

Chernick, Skinner, et al., 1955
Chernick, C.L.; Skinner, H.A.; Mortimer, C.T., Thermochemistry of organophosphorus compounds. Part I. Trimethyl and triethyl phosphites, J. Chem. Soc., 1955, 3936-39. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Behan, Johnstone, et al., 1976
Behan, J.M.; Johnstone, R.A.W.; Bentley, T.W., An evaluation of empirical methods for calculating the ionization potentials of substituted benzenes, Org. Mass Spectrom., 1976, 11, 207. [all data]

Hansen and Undheim, 1975
Hansen, P.E.; Undheim, K., Mass spectrometry of onium compounds. XXIX. Ionisation potential in structure analysis of valence isomers, Acta Chem. Scand., Ser. B, 1975, 29, 221. [all data]

Maier and Turner, 1973
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy Part 3. Anilines, Phenols and Related Compounds, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 521. [all data]

Kobayashi, Kobayashi, et al., 1973
Kobayashi, H.; Kobayashi, M.; Kaizu, Y., Molecular complexes of arenetricarbonylchromium, Bull. Chem. Soc. Jpn., 1973, 46, 3109. [all data]

Cowling and Johnstone, 1973
Cowling, S.A.; Johnstone, R.A.W., Photoelectron spectroscopy: The effects of steric inhibition to resonance in anilines, J. Electron Spectrosc. Relat. Phenom., 1973, 2, 161. [all data]

Potapov and Iskakov, 1971
Potapov, V.K.; Iskakov, L.I., Electronic structure and photoionization of aromatic amines, High Energy Chem., 1971, 5, 237, In original 264. [all data]

Finch, 1964
Finch, A.C.M., Charge-transfer spectra and the ionization energy of azulene, J. Chem. Soc., 1964, 2272. [all data]

Akopyan and Vilesov, 1964
Akopyan, M.E.; Vilesov, F.I., Excited states of positive ions and dissociative photoionization of aromatic amines, Dokl. Akad. Nauk SSSR, 1964, 158, 1386, In original 965. [all data]

Kinoshita, 1962
Kinoshita, M., The absorption spectra of the molecular complexes of aromatic compounds with p-bromanil, Bull. Chem. Soc. Japan, 1962, 35, 1609. [all data]

Foster, 1959
Foster, R., Ionization potentials of electron donors, Nature (London), 1959, 183, 1253. [all data]

Vilesov and Terenin, 1957
Vilesov, F.I.; Terenin, A.N., The photoionization of the vapors of certain organic compounds, Dokl. Akad. Nauk SSSR, 1957, 115, 744, In original 539. [all data]

Kobayashi, 1978
Kobayashi, T., A simple general tendency in photoelectron angular distributions of some monosubstituted benzenes, Phys. Lett., 1978, 69, 105. [all data]

Kobayashi and Nagakura, 1974
Kobayashi, T.; Nagakura, S., Photoelectron spectra of substituted benzenes, Bull. Chem. Soc. Jpn., 1974, 47, 2563. [all data]

Schafer and Schweig, 1972
Schafer, W.; Schweig, A., Zur Konjugation in aromatischen Aminen und Phosphanen, Angew. Chem., 1972, 84, 898. [all data]

Kobayashi and Nagakura, 1972
Kobayashi, T.; Nagakura, S., Photoelectron spectra of anilines, Chem. Lett., 1972, 1013. [all data]

Baker, May, et al., 1968
Baker, A.D.; May, D.P.; Turner, D.W., Molecular photoelectron spectroscopy. Part VII. The vertical ionisation potentials of benzene and some of its monosubstituted and 1,4-disubstituted derivatives, J. Chem. Soc. B, 1968, 22. [all data]

Gowenlock, Jones, et al., 1961
Gowenlock, B.G.; Jones, P.P.; Majer, J.R., Bond dissociation energies in some molecules containing alkyl substituted CH3, NH2, and OH, J. Chem. Soc. Faraday Trans., 1961, 57, 23. [all data]


Notes

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