Ethanamine, N-ethyl-

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.


Phase change data

Go To: Top, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
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
Tboil328.7 ± 0.8KAVGN/AAverage of 18 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus223.15KN/APohland and Mehl, 1933Uncertainty assigned by TRC = 2. K; TRC
Tfus225.15KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 1. K; TRC
Tfus223.15KN/ATimmermans, 1921Uncertainty assigned by TRC = 0.5 K; TRC
Tfus223.15KN/ABerthoud, 1917Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Tc498. ± 3.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Pc36.99atmN/AMandlekar, Kay, et al., 1985Uncertainty assigned by TRC = 0.987 atm; TRC
Pc37.09atmN/AKay and Young, 1976Uncertainty assigned by TRC = 0.15 atm; TRC
Pc37.09atmN/AKay and Young, 1976, 2Uncertainty assigned by TRC = 0.15 atm; TRC
Pc36.9897atmN/AKreglewski and Kay, 1969Uncertainty assigned by TRC = 0.2041 atm; TRC
Quantity Value Units Method Reference Comment
ρc3.32mol/lN/AHerz and Neukirch, 1923Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap7.522kcal/molN/AMajer and Svoboda, 1985 
Δvap7.48 ± 0.02kcal/molCMajer, Svoboda, et al., 1979AC
Δvap7.82 ± 0.05kcal/molIFranks and Watson, 1969Based on data from 273. to 333. K.; AC
Δvap7.46 ± 0.02kcal/molCWadsö, Heikkilä, et al., 1969AC
Δvap7.45 ± 0.01kcal/molCWadso, 1969ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
6.946328.7N/AMajer and Svoboda, 1985 
7.46315.AStephenson and Malanowski, 1987Based on data from 302. to 328. K.; AC
7.27340.AStephenson and Malanowski, 1987Based on data from 325. to 437. K.; AC
6.79446.AStephenson and Malanowski, 1987Based on data from 431. to 496. K.; AC
7.22 ± 0.02313.CMajer, Svoboda, et al., 1979AC
6.96 ± 0.02328.CMajer, Svoboda, et al., 1979AC
6.69 ± 0.02343.CMajer, Svoboda, et al., 1979AC
7.60307.N/AKilian and Bittrich, 1965Based on data from 292. to 313. K. See also Boublik, Fried, et al., 1984.; AC
7.53319.N/ABittrich and Kauer, 1962Based on data from 304. to 323. K. See also Boublik, Fried, et al., 1984.; AC

Enthalpy of vaporization

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

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

Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
298. to 343.12.290.3266496.5Majer and Svoboda, 1985 

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
304.60 to 333.732.85622559.071-132.974Bittrich and Kauer, 1962, 2Coefficents 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:


Gas phase ion energetics data

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

View reactions leading to C4H11N+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)227.6kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity219.7kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.9 ± 0.1PEAue, Webb, et al., 1976LLK
8.51PEAl-Joboury and Turner, 1964RDSH
8.01 ± 0.01PIWatanabe and Mottl, 1957RDSH
8.68PEGibbins, Lappert, et al., 1975Vertical value; LLK
8.630PEAue, Webb, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH2N+14.64?EICollin and Franskin, 1966RDSH
CH3+15.4C2H5NHCH2EISenSharma and Franklin, 1973LLK
CH4N+13.10 ± 0.10C2H4+CH3EICollin and Franskin, 1966RDSH
C2H3+15.35?EICollin and Franskin, 1966RDSH
C2H5+14.85?EICollin and Franskin, 1966RDSH
C2H6N+11.42 ± 0.05C2H5EISolka and Russell, 1974LLK
C2H6N+13.65 ± 0.08?EICollin and Franskin, 1966RDSH
C3H8N+8.92CH3EILossing, Lam, et al., 1981LLK
C3H8N+9.55 ± 0.10CH3EICollin and Franskin, 1966RDSH

References

Go To: Top, Phase change 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.

Pohland and Mehl, 1933
Pohland, E.; Mehl, W., Physical Properties of Ethylamine., Z. Phys. Chem., Abt. A, 1933, 164, 48. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Berthoud, 1917
Berthoud, A., Determination of Critical Temperatures and Pressures of Amines and Alkyl Chlorides, J. Chim. Phys. Phys.-Chim. Biol., 1917, 15, 3. [all data]

Mandlekar, Kay, et al., 1985
Mandlekar, A.V.; Kay, W.B.; Smith, R.L.; Teja, A.S., Phase equilibria in the n-hexane + diethylamine system, Fluid Phase Equilib., 1985, 23, 79. [all data]

Kay and Young, 1976
Kay, W.B.; Young, C.L., Gas-liquid critical properties. Diethylamine-methanol system, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1976, No. 1, 74. [all data]

Kay and Young, 1976, 2
Kay, W.B.; Young, C.L., Gas-liquid critical properties. Diethylamine, 2-butanone (methylethyl ketone) system, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1976, No. 1, 76. [all data]

Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B., The Critical Constants of Conformal Mixtures, J. Phys. Chem., 1969, 73, 3359. [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]

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]

Franks and Watson, 1969
Franks, F.; Watson, B., Calorimetric study of dilute aqueous solutions of dialkylamines: hydration of alkyl groups, Trans. Faraday Soc., 1969, 65, 2339, https://doi.org/10.1039/tf9696502339 . [all data]

Wadsö, Heikkilä, et al., 1969
Wadsö, Ingemar; Heikkilä, Jussi; Beagley, B.; Aalto, Tarja; Werner, Per-Erik; Junggren, Ulf; Lamm, Bo; Samuelsson, Benny, Enthalpies of Vaporization of Organic Compounds. III. Amines., Acta Chem. Scand., 1969, 23, 2061-2064, https://doi.org/10.3891/acta.chem.scand.23-2061 . [all data]

Wadso, 1969
Wadso, I., Enthalpies of vaporization of organic compounds, Acta Chem. Scand., 1969, 23, 2061. [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]

Kilian and Bittrich, 1965
Kilian, H.; Bittrich, H.J., Z. Phys. Chem., 1965, 230, 383. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Bittrich and Kauer, 1962
Bittrich, H.-J.; Kauer, E., Z. Phys. Chem. [Frankfurt am Main], 1962, 219, 224. [all data]

Bittrich and Kauer, 1962, 2
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]

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]

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]

Gibbins, Lappert, et al., 1975
Gibbins, S.G.; Lappert, M.F.; Pedley, J.B.; Sharp, G.J., Bonding studies of transition-metal complexes. Part II. Helium-I photoelectron spectra of homoleptic d0, d1, and d10 tetrakis(dialkylamides) of transition group 4B metals tungsten hexakis(dimethylamide), J. Chem. Soc. Dalton Trans., 1975, 72. [all data]

Aue, Webb, et al., 1975
Aue, D.H.; Webb, H.M.; Bowers, M.T., Proton affinities, ionization potentials, and hydrogen affinities of nitrogen and oxygen bases. Hybridization effects, J. Am. Chem. Soc., 1975, 97, 4137. [all data]

Collin and Franskin, 1966
Collin, J.E.; Franskin, M.J., Ionisation, dissociation et rearrangements intramoleculaires dans les amines aliphatiques soumises a l'impact electronique. Cas de la diethylamine et de la diethylamine-Nd, Bull. Soc. Roy. Sci. Liege, 1966, 35, 285. [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]

Solka and Russell, 1974
Solka, B.H.; Russell, M.E., Energetics of formation of some structural isomers of gaseous C2H5O+ C2H6N+ ions, J. Phys. Chem., 1974, 78, 1268. [all data]

Lossing, Lam, et al., 1981
Lossing, F.P.; Lam, Y.-T.; Maccoll, A., Gas phase heats of formation of alkyl immonium ions, Can. J. Chem., 1981, 59, 2228. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References