Ethyl Chloride

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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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-137. ± 1.kJ/molReviewManion, 2002derived from recommended ΔfHgas° and ΔvapH°; DRB
Quantity Value Units Method Reference Comment
liquid186.27J/mol*KN/AGordon and Giauque, 1948DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
103.3290.Gordon and Giauque, 1948T = 13 to 287 K.; DH
109.6288.Kurbatov, 1948T = -67 to 15°C; mean Cp, three temperatures.; DH
108.8298.Riedel, 1941T = -48 to 45°C.; DH
108.8298.1Riedel, 1940T = -48 to 46°C.; DH
107.70298.Jenkin and Shorthose, 1924T = -30 to 40°C.; 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
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
Tboil289. ± 10.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus136.75KN/ATimmermans, 1952Uncertainty assigned by TRC = 0.4 K; TRC
Tfus133.KN/AAwbery, 1941Uncertainty assigned by TRC = 2. K; TRC
Tfus137.KN/ATimmermans and Hennaut-Roland, 1937Uncertainty assigned by TRC = 0.5 K; TRC
Tfus132.3KN/ATimmermans, 1911Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple134.82KN/AGordon and Giauque, 1948, 2Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc460.35KN/ABerthoud, 1917Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Pc52.4053barN/ABerthoud, 1917Uncertainty assigned by TRC = 0.4053 bar; TRC
Quantity Value Units Method Reference Comment
Δvap24.6 ± 0.3kJ/molReviewManion, 2002weighted average of several measurements plus a correction for non-ideality; DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
24.652285.42N/AGordon and Giauque, 1948P = 101.325 kPa; DH
25.1300.AStephenson and Malanowski, 1987Based on data from 285. to 344. K.; AC
24.4349.AStephenson and Malanowski, 1987Based on data from 334. to 413. K.; AC
24.4418.AStephenson and Malanowski, 1987Based on data from 403. to 460. K.; AC
27.8222.A,EStephenson and Malanowski, 1987Based on data from 207. to 305. K. See also Li and Rossini, 1961 and Dykyj, 1970.; AC
25.9270.N/AGordon and Giauque, 1948Based on data from 218. to 285. K.; AC
24.83294.CYates, 1926ALS

Entropy of vaporization

ΔvapS (J/mol*K) Temperature (K) Reference Comment
86.37285.42Gordon and Giauque, 1948P; DH

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
217.21 to 285.664.161811052.821-32.078Gordon and Giauque, 1948Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
4.452134.82Gordon and Giauque, 1948DH
4.45134.8Acree, 1991AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
33.02134.82Gordon and Giauque, 1948DH

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

Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 C2H5Cl+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.98 ± 0.02eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)693.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity666.9kJ/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
679.5 ± 1.4Bouchoux, Caunan, et al., 2001T = 300K; MM

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
655.6 ± 1.4Bouchoux, Caunan, et al., 2001T = 300K; MM

Protonation entropy at 298K

Protonation entropy (J/mol*K) Reference Comment
28.5Bouchoux, Caunan, et al., 2001T = 300K; MM

Ionization energy determinations

IE (eV) Method Reference Comment
10.95ESTLuo and Pacey, 1992LL
11.04 ± 0.05EIHolmes and Lossing, 1991LL
11.0PEOhno, Imai, et al., 1983LBLHLM
10.98 ± 0.02PIWatanabe, Nakayama, et al., 1962RDSH
10.98 ± 0.01PIMatsunaga, 1961RDSH
10.97 ± 0.02PIWatanabe, 1957RDSH
11.06PEOhno, Imai, et al., 1985Vertical value; LBLHLM
11.01PEUtsunomiya, Kobayashi, et al., 1980Vertical value; LLK
11.01PEHoppilliard and Solgadi, 1980Vertical value; LLK
11.06 ± 0.02PEKatsumata and Kimura, 1975Vertical value; LLK
11.01PEKimura, Katsumata, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH2Cl+13.2 ± 0.2CH3EIHarrison and Shannon, 1962RDSH
CH2Cl+13.6 ± 0.2CH3EIIrsa, 1957RDSH
CH3+15.9 ± 0.3?EIIrsa, 1957RDSH
C2H4+11.38 ± 0.02HClEIMaccoll and Mathur, 1980LLK
C2H4+11.33HClEIBaldwin, Maccoll, et al., 1966RDSH
C2H5+11.67ClPITraeger and McLoughlin, 1981LLK
C2H5+11.83 ± 0.06ClEIBaldwin, Maccoll, et al., 1966RDSH
Cl+23.4 ± 0.3?EIIrsa, 1957RDSH

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change 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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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 19016

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References

Go To: Top, Condensed phase thermochemistry data, Phase change 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.

Manion, 2002
Manion, J.A., Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons, J. Phys. Chem. Ref. Data, 2002, 31, 1, 123-172, https://doi.org/10.1063/1.1420703 . [all data]

Gordon and Giauque, 1948
Gordon, J.; Giauque, W.F., The entropy of ethyl chloride. Heat capacity from 18 to 287K. Vapor pressure. Heats of fusion and vaporization, J. Am. Chem. Soc., 1948, 70, 1506-1510. [all data]

Kurbatov, 1948
Kurbatov, V.Ya., Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons, Zh. Obshch. Kim., 1948, 18, 372-389. [all data]

Riedel, 1941
Riedel, L., Determination of the specific heat of liquid ethyl chloride and liquid methylene chloride, Bull. Int. Inst., Refrig. Annex 22, 1941, No4, 1-3. [all data]

Riedel, 1940
Riedel, L., Bestimmung der spezifischen Wärme von Äthychlorid und Methylenchlorid im flüssigen Zustand, Z. ges. Kalte-Ind., 1940, 47, 87. [all data]

Jenkin and Shorthose, 1924
Jenkin, C.F.; Shorthose, D.N., Thermal properties of ethyl chloride, 1924, 347-349. [all data]

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

Awbery, 1941
Awbery, J.H., Philos. Mag., 1941, 31, 247. [all data]

Timmermans and Hennaut-Roland, 1937
Timmermans, J.; Hennaut-Roland, M., Works from International Bureau at Physical-Chemical Standards. VIII. Physical constants of 20 organic compounds, J. Chim. Phys. Phys.-Chim. Biol., 1937, 34, 693. [all data]

Timmermans, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]

Gordon and Giauque, 1948, 2
Gordon, J.; Giauque, W.F., The Entropy of Ethyl Chloride. Heat Capacity from 13 to 287 K. Vapor Pressure. Heats of Fusion and Vaporization, J. Am. Chem. Soc., 1948, 70, 1506. [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]

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]

Li and Rossini, 1961
Li, J.C.M.; Rossini, F.D., Vapor Pressures and Boiling Points of the l-Fluoroalkanes, l-Chloroalkanes, l-Bromoalkanes, and l-Iodoalkanes, C 1 to C 20 ., J. Chem. Eng. Data, 1961, 6, 2, 268-270, https://doi.org/10.1021/je60010a025 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Yates, 1926
Yates, G.W.C., LXXIV. Latent heats of vaporization of ethyl and methyl chlorides, Philos. Mag., 1926, 2, 817-826. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [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]

Bouchoux, Caunan, et al., 2001
Bouchoux, G.; Caunan, F.; Leblanc, D.; Nguyen, M.T.; Salpin, J.Y., Protonation thermochemistry of ethyl halides, Chem Phys. Phys. Chem., 2001, 10, 604-610. [all data]

Luo and Pacey, 1992
Luo, Y.-R.; Pacey, P.D., Effects of alkyl substitution on ionization energies of alkanes and haloalkanes and on heats of formation of their molecular cations. Part 2. Alkanes and chloro-, bromo- and iodoalkanes, Int. J. Mass Spectrom. Ion Processes, 1992, 112, 63. [all data]

Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P., Ionization energies of homologous organic compounds and correlation with molecular size, Org. Mass Spectrom., 1991, 26, 537. [all data]

Ohno, Imai, et al., 1983
Ohno, K.; Imai, K.; Matsumoto, S.; Harada, Y., Penning ionization electron spectroscopy of C2H5X (X = NH2, OH, H, Cl, I) relative reactivity of orbital localizing on functional groups upon electrophilic attack by metastable helium atoms, J. Phys. Chem., 1983, 87, 4346. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Matsunaga, 1961
Matsunaga, F.M., Photoionization yield of several molecules in the Schumann region, Contribution No. 27, Hawaii Institute of, 1961, Geophysics, Honolulu. [all data]

Watanabe, 1957
Watanabe, K., Ionization potentials of some molecules, J. Chem. Phys., 1957, 26, 542. [all data]

Ohno, Imai, et al., 1985
Ohno, K.; Imai, K.; Harada, Y., Variations in reactivity of lone-pair electrons due to intramolecular hydrogen bonding as observed by penning ionization electron spectroscopy, J. Am. Chem. Soc., 1985, 107, 8078. [all data]

Utsunomiya, Kobayashi, et al., 1980
Utsunomiya, C.; Kobayashi, T.; Nagakura, S., Photoelectron angular distribution measurements for some aliphatic alcohols, amines, halides, Bull. Chem. Soc. Jpn., 1980, 53, 1216. [all data]

Hoppilliard and Solgadi, 1980
Hoppilliard, Y.; Solgadi, D., Conformational analysis of 2-haloethanols and 2-methoxyethylhalides in a photoelectron spectrometer, Tetrahedron, 1980, 36, 377. [all data]

Katsumata and Kimura, 1975
Katsumata, S.; Kimura, K., Photoelectron spectra and sum rule consideration. Effect of chlorine substitution on ionization energies for chloroethanes, chloroacetaldehydes and chloroacetyl chlorides, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 309. [all data]

Kimura, Katsumata, et al., 1973
Kimura, K.; Katsumata, S.; Achiba, Y.; Matsumoto, H.; Nagakura, S., Photoelectron spectra and orbital structures of higher alkyl chlorides, bromides, and iodides., Bull. Chem. Soc. Jpn., 1973, 46, 373. [all data]

Harrison and Shannon, 1962
Harrison, A.G.; Shannon, T.W., An electron impact study of chloromethyl and dichloromethyl derivatives, Can. J. Chem., 1962, 40, 1730. [all data]

Irsa, 1957
Irsa, A.P., Electron impact studies on C2H5Cl, C2H5Br, and C2H5I, J. Chem. Phys., 1957, 26, 18. [all data]

Maccoll and Mathur, 1980
Maccoll, A.; Mathur, D., Hydrogen chloride elimination from the molecular ions of alkyl chlorides, Org. Mass Spectrom., 1980, 15, 483. [all data]

Baldwin, Maccoll, et al., 1966
Baldwin, M.; Maccoll, A.; Miller, S.I., Ionization and appearance potentials from a study of alkyl chlorides, Advan. Mass Spectrom., 1966, 3, 259. [all data]

Traeger and McLoughlin, 1981
Traeger, J.C.; McLoughlin, R.G., Absolute heats of formation for gas phase cations, J. Am. Chem. Soc., 1981, 103, 3647. [all data]


Notes

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