Ethyl Chloride

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Reaction 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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

Chlorine anion + Ethyl Chloride = (Chlorine anion • Ethyl Chloride)

By formula: Cl- + C2H5Cl = (Cl- • C2H5Cl)

Quantity Value Units Method Reference Comment
Δr12.4 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Δr14.5 ± 4.5kcal/molIMRBRiveros, Breda, et al., 1973gas phase; Anchored: Larson and McMahon, 1984; B
Quantity Value Units Method Reference Comment
Δr6.80 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B

Ethyl Chloride = Ethylene + Hydrogen chloride

By formula: C2H5Cl = C2H4 + HCl

Quantity Value Units Method Reference Comment
Δr22.0kcal/molEqkLevanova, Bushneva, et al., 1979liquid phase; ALS
Δr17.1kcal/molEqkLevanova, Bushneva, et al., 1979gas phase; ALS
Δr17.35 ± 0.50kcal/molEqkHowlett, 1955gas phase; ALS
Δr17.1kcal/molEqkLane, Linnett, et al., 1953gas phase; ALS

(C2H5+ • 2Ethyl Chloride) + Ethyl Chloride = (C2H5+ • 3Ethyl Chloride)

By formula: (C2H5+ • 2C2H5Cl) + C2H5Cl = (C2H5+ • 3C2H5Cl)

Quantity Value Units Method Reference Comment
Δr4.8kcal/molHPMSLuczynski and Wincel, 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr7.7cal/mol*KHPMSLuczynski and Wincel, 1974gas phase; Entropy change is questionable; M

(C2H5+ • Ethyl Chloride) + Ethyl Chloride = (C2H5+ • 2Ethyl Chloride)

By formula: (C2H5+ • C2H5Cl) + C2H5Cl = (C2H5+ • 2C2H5Cl)

Quantity Value Units Method Reference Comment
Δr5.2kcal/molHPMSLuczynski and Wincel, 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr8.7cal/mol*KHPMSLuczynski and Wincel, 1974gas phase; Entropy change is questionable; M

Bromine anion + Ethyl Chloride = (Bromine anion • Ethyl Chloride)

By formula: Br- + C2H5Cl = (Br- • C2H5Cl)

Quantity Value Units Method Reference Comment
Δr11.2 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr5.36 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B

Methyl cation + Ethyl Chloride = (Methyl cation • Ethyl Chloride)

By formula: CH3+ + C2H5Cl = (CH3+ • C2H5Cl)

Quantity Value Units Method Reference Comment
Δr71.kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase; from Et+ + CH3Cl; Cox and Pilcher, 1970, Rosenstock, Buff, et al., 1982; Sen Sharma and Kebarle, 1978; M

C4H9+ + Ethyl Chloride = (C4H9+ • Ethyl Chloride)

By formula: C4H9+ + C2H5Cl = (C4H9+ • C2H5Cl)

Quantity Value Units Method Reference Comment
Δr9.2kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr16.3cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase; M

Hydrogen + Ethyl Chloride = Ethane + Hydrogen chloride

By formula: H2 + C2H5Cl = C2H6 + HCl

Quantity Value Units Method Reference Comment
Δr-16.6 ± 0.1kcal/molChydLacher, Emery, et al., 1956gas phase; ALS

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   Cs     Symmetry Number σ = 1


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a' 1 CH2 s-str 2967  D 2977 M sln. 2967 M p liq.
a' 2 CH3 d-str 2946  C 2946 S gas 2934 M p liq.
a' 3 CH3 s-str 2881  C 2881 S gas 2883 W p liq.
a' 4 CH3 d-deform 1463  D 1463 S sln.
a' 5 CH2 scis 1448  D 1448 S gas 1453 M dp liq. OV14)
a' 6 CH3 s-deform 1385  C 1385 S gas 1383 W dp liq.
a' 7 CH2 wag 1289  C 1289 VS gas 1283 W p liq.
a' 8 CH3 rock 1081  D 1081 VW gas 1072 M p liq.
a' 9 CC str 974  D 974 VS gas 969 W dp liq. OV16)
a' 10 CCl str 677  C 677 VS gas 659 VS p liq.
a' 11 CCCl deform 336  C 336 M gas 337 S p liq.
a 12 CH2 a-str 3014  D 3014 VS gas 3013 W liq.
a 13 CH3 d-str 2986  D 2986 VS gas 2978 W liq.
a 14 CH3 d-deform 1448  D 1448 S gas 1453 M dp liq. OV5)
a 15 CH2 twist 1251  D 1251 VW gas 1248 W dp liq.
a 16 CH3 rock 974  D 974 VS gas 969 W dp liq. OV9)
a 17 CH2 rock 786  B 786 M gas
a 18 Torsion 251  B 251 W gas MW: ν251

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
pPolarized
dpDepolarized
OVOverlapped by band indicated in parentheses.
MWTorsional Frequency calculated from microwave spectroscopic data.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty

References

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

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

Li, Ross, et al., 1996
Li, C.; Ross, P.; Szulejko, J.; McMahon, T.B., High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase Sn2 Reactions., J. Am. Chem. Soc., 1996, 118, 39, 9360, https://doi.org/10.1021/ja960565o . [all data]

Riveros, Breda, et al., 1973
Riveros, J.M.; Breda, A.C.; Blair, L.K., Formation and relative stability of chloride ion clusters in the gas phase by ICR spectroscopy, J. Am. Chem. Soc., 1973, 95, 4066. [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ion cyclotron resonance halide-exchange equilibria, J. Phys. Chem., 1984, 88, 1083. [all data]

Levanova, Bushneva, et al., 1979
Levanova, s.V.; Bushneva, I.I.; Rodova, R.M.; Rozhnov, A.M.; Treger, Yu.A.; Aprelkin, A.S., Thermodynamic stability of chloroethanes in dehydrochlorination reactions, J. Appl. Chem. USSR, 1979, 52, 1439-1442. [all data]

Howlett, 1955
Howlett, K.E., The use of equilibrium constants to calculate thermodynamic quantities. Part II, J. Chem. Soc., 1955, 1784-17. [all data]

Lane, Linnett, et al., 1953
Lane, M.R.; Linnett, J.W.; Oswin, H.G., A study of the C2H4+HCl=C2H5Cl and C2H4+Hbr=C2H5Br equilibria, Proc. Roy. Soc. London A, 1953, 216, 361-374. [all data]

Luczynski and Wincel, 1974
Luczynski, Z.; Wincel, H., Ion - Molecule Reactions in Ethyl Chloride, Int. J. Mass Spectrom. Ion Phys., 1974, 14, 1, 29, https://doi.org/10.1016/0020-7381(74)80059-8 . [all data]

Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P., Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+, J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Rosenstock, Buff, et al., 1982
Rosenstock, H.M.; Buff, R.; Ferreira, M.A.A.; Lias, S.G.; Parr, A.C.; Stockbauer, R.L.; Holmes, J.L., Fragmentation mechanism and energetics of some alkyl halide ions, J. Am. Chem. Soc., 1982, 104, 2337. [all data]

Sen Sharma and Kebarle, 1978
Sen Sharma, D.K.; Kebarle, P., Binding Energies and Stabilities of Chloronium Ions from Study of the Gas - Phase Equilibria: R1+ + ClR2 = R1ClR2+, J. Am. Chem. Soc., 1978, 100, 18, 5826, https://doi.org/10.1021/ja00486a039 . [all data]

Lacher, Emery, et al., 1956
Lacher, J.R.; Emery, E.; Bohmfalk, E.; Park, J.D., Reaction heats of organic compounds. IV. A high temperature calorimeter and the hydrogenation of methyl ethyl and vinyl chlorides, J. Phys. Chem., 1956, 60, 492-495. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

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