Triethylamine

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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 by: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-32.05kcal/molN/ABaroody and Carpenter, 1972Value computed using ΔfHliquid° value of -169 kj/mol from Baroody and Carpenter, 1972 and ΔvapH° value of 34.94±0.06 kj/mol from missing citation.
Δfgas-22.2 ± 0.1kcal/molN/ALebedeva, 1966Value computed using ΔfHliquid° value of -127.8±0.54 kj/mol from Lebedeva, 1966 and ΔvapH° value of 34.94±0.06 kj/mol from missing citation.
Δfgas-34.20kcal/molN/ALemoult, 1907Value computed using ΔfHliquid° value of -178 kj/mol from Lemoult, 1907 and ΔvapH° value of 34.94±0.06 kj/mol from missing citation.

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-40.5kcal/molCcbBaroody and Carpenter, 1972ALS
Δfliquid-30.54 ± 0.13kcal/molCcbLebedeva, 1966ALS
Δfliquid-42.6kcal/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
Δcliquid-1046.15 ± 0.13kcal/molCcbLebedeva, 1966ALS
Δcliquid-1040.7kcal/molCcbLemoult, 1907ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
51.728298.15Grolier, Roux-Desgranges, et al., 1993DH
52.127298.15Hepler, Kooner, et al., 1985DH
42.30298.von Reis, 1881T = 293 to 378 K.; DH

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
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil362.2 ± 0.6KAVGN/AAverage of 28 out of 30 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus158.45KN/ATimmermans, 1952Uncertainty assigned by TRC = 0.4 K; TRC
Tfus158.KN/AJoukovsky, 1934Uncertainty assigned by TRC = 2. K; TRC
Tfus158.45KN/ATimmermans and Hennaut-Roland, 1932Uncertainty assigned by TRC = 1. K; TRC
Tfus158.4KN/ATimmermans, 1914Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc535.6 ± 0.3KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ρc2.54mol/lN/AHerz and Neukirch, 1923Uncertainty assigned by TRC = 0.02 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap8.4 ± 0.1kcal/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.412362.1N/AMajer and Svoboda, 1985 
7.98 ± 0.05313.N/AMokbel, Razzouk, et al., 2009Based on data from 273. to 353. K.; AC
8.10325.EBWANG, FANG, et al., 2006Based on data from 310. to 362. K.; AC
8.4 ± 0.2275.N/ABaev, 2001Based on data from 231. to 319. K.; AC
8.15317.EBDutt, Kahol, et al., 1990Based on data from 302. to 338. K.; AC
8.27311.N/AStephenson and Malanowski, 1987Based on data from 298. to 324. K.; AC
8.10 ± 0.02313.CMajer, Svoboda, et al., 1979AC
7.89 ± 0.05328.CMajer, Svoboda, et al., 1979AC
7.70 ± 0.02343.CMajer, Svoboda, et al., 1979AC
7.48 ± 0.05358.CMajer, Svoboda, et al., 1979AC
8.32318.EBMajer, Svoboda, et al., 1979Based on data from 303. to 361. K.; AC
7.96339.N/ABayles and Letcher, 1971Based on data from 324. to 357. K.; AC
7.89311.N/AThompson and Linnett, 1936Based on data from 285. to 337. K.; AC
7.930363.3VThompson and Linnett, 1936, 2ALS

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
298. to 358.12.030.2684535.6Majer and Svoboda, 1985 

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
323. to 367.82.97797695.814-128.271Bittrich and Kauer, 1962Coefficents 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:


Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference
6.6 MN/A

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

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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)7.53 ± 0.10eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)234.7kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity227.kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.47 ± 0.04PEMathis and Compton, 1996LL
7.53 ± 0.10LSMathis and Compton, 1996LL
7.3PEAue and Bowers, 1979LLK
7.1 ± 0.1PEAue, Webb, et al., 1976LLK
7.20 ± 0.09PEAue, Webb, et al., 1975LLK
7.84PEAl-Joboury and Turner, 1964RDSH
7.50 ± 0.02PIWatanabe and Mottl, 1957RDSH
8.03PEZverev and Titova, 1996Vertical value; LL
8.24 ± 0.04PEMathis and Compton, 1996Vertical value; LL
8.08PEUtsunomiya, Kobayashi, et al., 1976Vertical value; LLK
8.19 ± 0.05PELeavell, Steichen, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3+16.7(C2H5)2NCHEISenSharma and Franklin, 1973LLK
C4H10N+13.14C2H5EIPlotnikov, Bogolyubov, et al., 1969RDSH
C5H12N+11.48CH3EIPlotnikov, Bogolyubov, et al., 1969RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A., Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]

Lebedeva, 1966
Lebedeva, N.D., Heats of combustion and formation of aliphatic tertiary amine homologues, Russ. J. Phys. Chem. (Engl. Transl.), 1966, 40, 1465-1467. [all data]

Lemoult, 1907
Lemoult, M.P., Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques, Ann. Chim. Phys., 1907, 12, 395-432. [all data]

Grolier, Roux-Desgranges, et al., 1993
Grolier, J.-P.E.; Roux-Desgranges, G.; Berkane, M.; Jimenez, E.; Wilhelm, E., Heat capacities and densities of mixtures of very polar substances 2. Mixtures containing N,N-dimethylformamide, J. Chem. Thermodynam., 1993, 25(1), 41-50. [all data]

Hepler, Kooner, et al., 1985
Hepler, L.G.; Kooner, Z.S.; Roux-Desgranges, G.; Grolier, J.-P.E., Thermal and volumetric properties of chloroform + triethylamine mixtures and the ideal associated solution model of complex formation, J. Solution Chem., 1985, 14(8), 579-594. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

Timmermans, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Joukovsky, 1934
Joukovsky, N.I., Experimental Study of the Theory of Concentrated Solutions. XI. Thermodynamic Properties of Concentrated Solutions of Aliphatic Organic Compounds Containing Nitrogen., Bull. Soc. Chim. Belg., 1934, 43, 397. [all data]

Timmermans and Hennaut-Roland, 1932
Timmermans, J.; Hennaut-Roland, M., The Work of the International Bureau of Physical-Chemical Standards. V. Study of the Physical Constants of Twenty Organic Compounds., J. Chim. Phys. Phys.-Chim. Biol., 1932, 29, 529-68. [all data]

Timmermans, 1914
Timmermans, J., Freezing temperature of organic compounds. II., Bull. Soc. Chim. Belg., 1914, 27, 334. [all data]

Herz and Neukirch, 1923
Herz, W.; Neukirch, E., On Knowldge of the Critical State, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1923, 104, 433-50. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Mokbel, Razzouk, et al., 2009
Mokbel, Ilham; Razzouk, Antonio; Sawaya, Terufat; Jose, Jacques, Experimental Vapor Pressures of 2-Phenylethylamine, Benzylamine, Triethylamine, and cis -2,6-Dimethylpiperidine in the Range between 0.2 Pa and 75 kPa, J. Chem. Eng. Data, 2009, 54, 3, 819-822, https://doi.org/10.1021/je800603z . [all data]

WANG, FANG, et al., 2006
WANG, Z.; FANG, W.; LIN, R.; GUO, Y.; ZHOU, X., Volatility of blended fuel of endothermic hydrocarbon fuel and triethylamine, Fuel, 2006, 85, 12-13, 1794-1797, https://doi.org/10.1016/j.fuel.2006.02.011 . [all data]

Baev, 2001
Baev, A.K., Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 2001, 44, 1, 3. [all data]

Dutt, Kahol, et al., 1990
Dutt, N.V.K.; Kahol, A.P.; Reddy, P.J.; Raghunandanan, K.S., Isobaric vapor-liquid equilibria for the binary systems of benzene/triethylamine, benzene/trimethyl phosphite, and triethylamine/trimethyl phosphite, J. Chem. Eng. Data, 1990, 35, 2, 114-117, https://doi.org/10.1021/je00060a004 . [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]

Majer, Svoboda, et al., 1979
Majer, Vladimír; Svoboda, Václav; Koubek, Josef; Pick, Jirí, Temperature dependence of heats of vaporization, saturated vapour pressures and cohesive energies for a group of amines, Collect. Czech. Chem. Commun., 1979, 44, 12, 3521-3528, https://doi.org/10.1135/cccc19793521 . [all data]

Bayles and Letcher, 1971
Bayles, John W.; Letcher, Trevor M., Thermodynamics of some binary liquid mixtures containing aliphatic amines, J. Chem. Eng. Data, 1971, 16, 3, 266-271, https://doi.org/10.1021/je60050a026 . [all data]

Thompson and Linnett, 1936
Thompson, H.W.; Linnett, J.W., The vapour pressures and association of some metallic and non-metallic alkyls, Trans. Faraday Soc., 1936, 32, 681, https://doi.org/10.1039/tf9363200681 . [all data]

Thompson and Linnett, 1936, 2
Thompson, H.W.; Linnett, J.W., The vapour pressures and association of some metallic and non-metallic alkyls, Trans. Faraday Soc., 1936, 32, 681-685. [all data]

Bittrich and Kauer, 1962
Bittrich, H.J.; Kauer, E., Zur Thermodynamik des Systems Diathylamin-Triathylamin. I. Das Flussigkeits-Dampf-Gleichgewicht, Z. Phys. Chem. (Frankfurt/Main), 1962, 219, 224-238. [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]

Mathis and Compton, 1996
Mathis, J.E.; Compton, R.N., Single and multiple photon ionization of triethylamine, J. Chem. Phys., 1996, 104, 8341. [all data]

Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T., Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]

Aue, Webb, et al., 1976
Aue, D.H.; Webb, H.M.; Bowers, M.T., Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines, J. Am. Chem. Soc., 1976, 98, 311. [all data]

Aue, Webb, et al., 1975
Aue, D.H.; Webb, H.M.; Bowers, M.T., Photoelectron spectrum and gas-phase basicity of manxine. Evidence for a planar bridgehead nitrogen, J. Am. Chem. Soc., 1975, 97, 4136. [all data]

Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W., Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials, J. Chem. Soc., 1964, 4434. [all data]

Watanabe and Mottl, 1957
Watanabe, K.; Mottl, J.R., Ionization potentials of ammonia and some amines, J. Chem. Phys., 1957, 26, 1773. [all data]

Zverev and Titova, 1996
Zverev, V.V.; Titova, Z.S., Theoretical and experimental investigation of stereoelectronic interactions in H-complexes of sulfenamide derivatives, Izv. Akad. Nauk Ser. Khim., 1996, 2894. [all data]

Utsunomiya, Kobayashi, et al., 1976
Utsunomiya, C.; Kobayashi, T.; Nagakura, S., Photoelectron spectra of electron donor-acceptor complexes between bromine and alkylamines, Chem. Phys. Lett., 1976, 39, 245. [all data]

Leavell, Steichen, et al., 1973
Leavell, S.; Steichen, J.; Franklin, J.L., Photoelectron spectra of intramolecularly hydrogen bonded compounds, J. Chem. Phys., 1973, 59, 4343. [all data]

SenSharma and Franklin, 1973
SenSharma, D.K.; Franklin, J.L., Heat of formation of free radicals by mass spectrometry, J. Am. Chem. Soc., 1973, 95, 6562. [all data]

Plotnikov, Bogolyubov, et al., 1969
Plotnikov, V.F.; Bogolyubov, G.M.; Maretina, I.A.; Petrov, A.A., Organic derivatives of elements of Groups V and VI. V. Mass spectra of 1-buten-3-ynylamines, Zh. Org. Khim., 1969, 5, 1137, In original 1157. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, References