Chloromethane

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Gas phase ion energetics data

Go To: Top, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, 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:
B - John E. Bartmess
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 CH3Cl+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)11.26 ± 0.03eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)154.7kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity148.4kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
11.221SHochmann, Templet, et al., 1975LLK
11.28 ± 0.01PIWerner, Tsai, et al., 1974LLK
11.27EILossing, 1972LLK
11.29PERagle, Stenhouse, et al., 1970RDSH
11.26PEDewar and Worley, 1969RDSH
11.265 ± 0.003PINicholson, 1965RDSH
11.28PIDibeler and Walker, 1965RDSH
11.28 ± 0.01PIWatanabe, 1957RDSH
11.22 ± 0.01SPrice, 1936RDSH
11.29PEKimura, Katsumata, et al., 1981Vertical value; LLK
11.29PEUtsunomiya, Kobayashi, et al., 1980Vertical value; LLK
11.33PEUehara, Saito, et al., 1973Vertical value; LLK
11.30PEDixon, Murrell, et al., 1971Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C+26.3 ± 0.1?EIReed and Snedden, 1956RDSH
CH+22.5 ± 0.06?EIReed and Snedden, 1956RDSH
CH2+14.6 ± 0.2HClEITsuda and Hamill, 1964RDSH
CH2Cl+12.96HEILossing, 1972LLK
CH2Cl+12.98 ± 0.07HEIMartin, Lampe, et al., 1966RDSH
CH3+13.87ClPIKrauss, Walker, et al., 1968RDSH
CH3+10.07Cl-PIDibeler and Walker, 1965RDSH
Cl+16.6 ± 0.05CH3EITsuda, Melton, et al., 1964RDSH

De-protonation reactions

CH2Cl- + Hydrogen cation = Chloromethane

By formula: CH2Cl- + H+ = CH3Cl

Quantity Value Units Method Reference Comment
Δr399.6 ± 2.5kcal/molEndoHierl, Henchman, et al., 1992gas phase; HO- + ClCH3: 8.8±2.3 kcal/mol endo; B
Δr396.0 ± 3.1kcal/molG+TSIngemann and Nibbering, 1985gas phase; B
Δr396.6 ± 4.6kcal/molEIAERogers, Simpson, et al., 2010gas phase; B
Δr400.0 ± 2.0kcal/molIMRBPoutsma, Nash, et al., 1997gas phase; B
Δr399.1 ± 4.1kcal/molG+TSHenchman, Hierl, et al., 1985gas phase; HO- + MeCl: 0.38±0.1 eV endo; B
Quantity Value Units Method Reference Comment
Δr389.1 ± 3.0kcal/molIMREIngemann and Nibbering, 1985gas phase; B
Δr392.2 ± 4.0kcal/molIMRBHenchman, Hierl, et al., 1985gas phase; HO- + MeCl: 0.38±0.1 eV endo; B

Ion clustering data

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Bromine anion + Chloromethane = (Bromine anion • Chloromethane)

By formula: Br- + CH3Cl = (Br- • CH3Cl)

Quantity Value Units Method Reference Comment
Δr10.9 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr4.85 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B

CH2Cl+ + Chloromethane = (CH2Cl+ • Chloromethane)

By formula: CH2Cl+ + CH3Cl = (CH2Cl+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr6.9kcal/molHPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr-3.7cal/mol*KHPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.1312.HPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M

(CH2Cl+ • Chloromethane) + Chloromethane = (CH2Cl+ • 2Chloromethane)

By formula: (CH2Cl+ • CH3Cl) + CH3Cl = (CH2Cl+ • 2CH3Cl)

Quantity Value Units Method Reference Comment
Δr5.7kcal/molHPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr6.9cal/mol*KHPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.4182.HPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M

Methyl cation + Chloromethane = (Methyl cation • Chloromethane)

By formula: CH3+ + CH3Cl = (CH3+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr62.0kcal/molPHPMSMcMahon, Heinis, et al., 1988gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 48.3 kcal/mol; Foster, Williamson, et al., 1974; M

CH3Cl2- + 2Chloromethane = C2H6Cl3-

By formula: CH3Cl2- + 2CH3Cl = C2H6Cl3-

Quantity Value Units Method Reference Comment
Δr11.10kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr3.94kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

(CH4Cl+ • Chloromethane) + Chloromethane = (CH4Cl+ • 2Chloromethane)

By formula: (CH4Cl+ • CH3Cl) + CH3Cl = (CH4Cl+ • 2CH3Cl)

Quantity Value Units Method Reference Comment
Δr4.2kcal/molHPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr1.1cal/mol*KHPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.0182.HPMSLuczynski, Malicki, et al., 1974gas phase; DG from graph, Entropy change is questionable; M

CH6N+ + Chloromethane = (CH6N+ • Chloromethane)

By formula: CH6N+ + CH3Cl = (CH6N+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr10.7kcal/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Δr20.6cal/mol*KPHPMSMeot-Ner, 1984gas phase; M

CN- + Chloromethane = (CN- • Chloromethane)

By formula: CN- + CH3Cl = (CN- • CH3Cl)

Quantity Value Units Method Reference Comment
Δr10.2 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr4.90 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B

C2H5+ + Chloromethane = (C2H5+ • Chloromethane)

By formula: C2H5+ + CH3Cl = (C2H5+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr30.7kcal/molPHPMSSen Sharma and Kebarle, 1978gas phase; M
Quantity Value Units Method Reference Comment
Δr30.7cal/mol*KPHPMSSen Sharma and Kebarle, 1978gas phase; M

C2H6Cl3- + 3Chloromethane = C3H9Cl4-

By formula: C2H6Cl3- + 3CH3Cl = C3H9Cl4-

Quantity Value Units Method Reference Comment
Δr8.40kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr2.14kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C3H7+ + Chloromethane = (C3H7+ • Chloromethane)

By formula: C3H7+ + CH3Cl = (C3H7+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr22.9kcal/molPHPMSSen Sharma and Kebarle, 1978gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr44.5cal/mol*KPHPMSSen Sharma and Kebarle, 1978gas phase; Entropy change is questionable; M

C3H9Cl4- + 4Chloromethane = C4H12Cl5-

By formula: C3H9Cl4- + 4CH3Cl = C4H12Cl5-

Quantity Value Units Method Reference Comment
Δr7.60kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr1.34kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C4H9+ + Chloromethane = (C4H9+ • Chloromethane)

By formula: C4H9+ + CH3Cl = (C4H9+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr8.4kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase; M
Quantity Value Units Method Reference Comment
Δr19.3cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase; M

C4H12Cl5- + 5Chloromethane = C5H15Cl6-

By formula: C4H12Cl5- + 5CH3Cl = C5H15Cl6-

Quantity Value Units Method Reference Comment
Δr6.20kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr0.83kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C5H15Cl6- + 6Chloromethane = C6H18Cl7-

By formula: C5H15Cl6- + 6CH3Cl = C6H18Cl7-

Quantity Value Units Method Reference Comment
Δr5.80kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr0.43kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C6H18Cl7- + 7Chloromethane = C7H21Cl8-

By formula: C6H18Cl7- + 7CH3Cl = C7H21Cl8-

Quantity Value Units Method Reference Comment
Δr4.80kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr0.63kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C7H21Cl8- + 8Chloromethane = C8H24Cl9-

By formula: C7H21Cl8- + 8CH3Cl = C8H24Cl9-

Quantity Value Units Method Reference Comment
Δr4.70kcal/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Δr0.53kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Chlorine anion + Chloromethane = (Chlorine anion • Chloromethane)

By formula: Cl- + CH3Cl = (Cl- • CH3Cl)

Quantity Value Units Method Reference Comment
Δr10.4 ± 1.0kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Δr11.7 ± 2.0kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
Δr12.2 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M
Δr8.60 ± 0.20kcal/molTDAsDougherty, Dalton, et al., 1974gas phase; B,M
Δr15.2 ± 2.0kcal/molTDAsYamdagni and Kebarle, 1971gas phase; B
Quantity Value Units Method Reference Comment
Δr20.5cal/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Δr15.3cal/mol*KHPMSDougherty, Dalton, et al., 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr5.80 ± 0.20kcal/molTDAsLi, Ross, et al., 1996gas phase; B
Δr4.84kcal/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
Δr6.1 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M
Δr4.10 ± 0.50kcal/molTDAsDougherty, Dalton, et al., 1974gas phase; B
Δr10.8 ± 2.0kcal/molTDAsYamdagni and Kebarle, 1971gas phase; B

Lithium ion (1+) + Chloromethane = (Lithium ion (1+) • Chloromethane)

By formula: Li+ + CH3Cl = (Li+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr25.kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 interpolated; M

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, Ion clustering data, Gas Chromatography, 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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NIST MS number 18894

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Gas Chromatography

Go To: Top, Gas phase ion energetics data, Ion clustering 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedSqualane80.329.Pacáková, Vojtechová, et al., 1988N2, Chezasorb AW-HMDS; Column length: 1.2 m
PackedSqualane27.324.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.326.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.327.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.329.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPetrocol DH332.92White, Douglas, et al., 1992100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C
CapillaryPetrocol DH332.92White, Douglas, et al., 1992100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-101332.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxanes332.Zenkevich, Eliseenkov, et al., 2006Program: not specified
CapillaryMethyl Silicone340.Blunden, Aneja, et al., 200560. m/0.32 mm/1.0 μm, Helium; Program: -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min)
CapillaryMethyl Silicone332.Zenkevich, 1999Program: not specified
CapillaryMethyl Silicone326.Zenkevich, 1998Program: not specified
CapillaryPolydimethyl siloxanes332.Zenkevich and Chupalov, 1996Program: not specified
CapillaryPolydimethyl siloxanes332.Zenkevich and Chupalov, 1996Program: not specified

References

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

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]

Hochmann, Templet, et al., 1975
Hochmann, P.; Templet, P.H.; Wang, H.-t.; McGlynn, S.P., Molecular Rydberg transitions. I. Low-energy Rydberg transitions in methyl halides, J. Chem. Phys., 1975, 62, 2588. [all data]

Werner, Tsai, et al., 1974
Werner, A.S.; Tsai, B.P.; Baer, T., Photoionization study of the ionization potentials fragmentation paths of the chlorinated methanes carbon tetrabromide, J. Chem. Phys., 1974, 60, 3650. [all data]

Lossing, 1972
Lossing, F.P., Free radicals by mass spectrometry. XLIV. Ionization potentials bond dissociation energies for chloro-and fluoromethyl radicals, Bull. Soc. Chim. Belg., 1972, 81, 125. [all data]

Ragle, Stenhouse, et al., 1970
Ragle, J.L.; Stenhouse, I.A.; Frost, D.C.; McDowell, C.A., Valence-shell ionization potentials of halomethanes by photoelectron spectroscopy. I. CH3Cl, CH3Br, CH3I. Vibrational frequencies and vibronic interaction in CH3Br+ and CH3Cl+, J. Chem. Phys., 1970, 53, 178. [all data]

Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation, J. Chem. Phys., 1969, 50, 654. [all data]

Nicholson, 1965
Nicholson, A.J.C., Photoionization-efficiency curves. II. False and genuine structure, J. Chem. Phys., 1965, 43, 1171. [all data]

Dibeler and Walker, 1965
Dibeler, V.H.; Walker, J.A., Ion-pair process in CH3Cl by photoionization, J. Chem. Phys., 1965, 43, 1842. [all data]

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

Price, 1936
Price, W.C., The far ultraviolet absorption spectra and ionization potentials of the alkyl halides. Part I, J. Chem. Phys., 1936, 4, 539. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [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]

Uehara, Saito, et al., 1973
Uehara, Y.; Saito, N.; Yonezawa, T., Ionization potentials of trifluoromethyl and methyl halides by photoelectron spectroscopy and calculations by extended Hucket and CNDO/2 methods, Chem. Lett., 1973, 495. [all data]

Dixon, Murrell, et al., 1971
Dixon, R.N.; Murrell, J.N.; Narayan, B., The photoelectron spectra of the halomethanes, Mol. Phys., 1971, 20, 611. [all data]

Reed and Snedden, 1956
Reed, R.I.; Snedden, W., Studies in electron impact methods. Part 6.-The formation of the methine and carbon ions, J. Chem. Soc. Faraday Trans., 1956, 55, 876. [all data]

Tsuda and Hamill, 1964
Tsuda, S.; Hamill, W.H., Structure in ionization efficiency curves near threshold from alkanes and alkyl halides, J. Chem. Phys., 1964, 41, 2713. [all data]

Martin, Lampe, et al., 1966
Martin, R.H.; Lampe, F.W.; Taft, R.W., An electron-impact study of ionization and dissociation in methoxy- and halogen- substituted methanes, J. Am. Chem. Soc., 1966, 88, 1353. [all data]

Krauss, Walker, et al., 1968
Krauss, M.; Walker, J.A.; Dibeler, V.H., Mass spectrometric study of photoionization. X. Hydrogen chloride and methyl halides, J. Res. NBS, 1968, 72A, 281. [all data]

Tsuda, Melton, et al., 1964
Tsuda, S.; Melton, C.E.; Hamill, W.H., Ionization- efficiency curves for molecular and fragment ions from methane and the methyl halides, J. Chem. Phys., 1964, 41, 689. [all data]

Hierl, Henchman, et al., 1992
Hierl, P.M.; Henchman, M.J.; Paulson, J.F., Threshold Energies for the Reactions HO- + MeX - MeOH + X- measured by Tandem Mass Spectrometry: Acidities of MeCl and MeBr, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 475, https://doi.org/10.1016/0168-1176(92)80109-E . [all data]

Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M., Gas-phase acidity of CH3X [X = P(CH3)2, SCH3, F, Cl, Br, I] compounds, J. Chem. Soc. Perkin Trans. 2, 1985, 837. [all data]

Rogers, Simpson, et al., 2010
Rogers, N.J.; Simpson, M.J.; Tuckett, R.P.; Dunn, K.F.; Latimer, C.J., Vacuum-UV negative photoion spectroscopy of CH3F, CH3Cl and CH3Br, Phys. Chem. Chem. Phys., 2010, 12, 36, 10971-10980, https://doi.org/10.1039/c0cp00234h . [all data]

Poutsma, Nash, et al., 1997
Poutsma, J.C.; Nash, J.J.; Paulino, J.A.; Squires, R.R., Absolute Heats of Formation of Phenylcarbene and Vinylcarbene, J. Am. Chem. Soc., 1997, 119, 20, 4686, https://doi.org/10.1021/ja963918s . [all data]

Henchman, Hierl, et al., 1985
Henchman, M.; Hierl, P.M.; Paulson, J.F., Nucleophilic displacement vs. proton tranfer: The system OH-.(H2O)0,1,2 + CH3Cl in the relative energy range 0.03-5 eV, J. Am. Chem. Soc., 1985, 107, 2812. [all data]

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]

Luczynski, Malicki, et al., 1974
Luczynski, Z.; Malicki, W.; Wincel, H., Positive Ion Reactions of Methyl Cloride in the Gas Phase, Int. J. Mass Spectrom. Ion Phys., 1974, 15, 3, 321, https://doi.org/10.1016/0020-7381(74)85009-6 . [all data]

McMahon, Heinis, et al., 1988
McMahon, T.; Heinis, T.; Nicol, G.; Hovey, J.K.; Kebarle, P., Methyl Cation Affinities, J. Am. Chem. Soc., 1988, 110, 23, 7591, https://doi.org/10.1021/ja00231a002 . [all data]

Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L., Photoionization mass spectrometry of trans-azomethane, Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [all data]

Hiraoka, Mizuno, et al., 2001
Hiraoka, K.; Mizuno, T.; Iino, T.; Eguchi, D.; Yamabe, S., Characteristic changes of bond energies for gas-phase cluster ions of halide ions with methane and chloromethanes, J. Phys. Chem. A, 2001, 105, 20, 4887-4893, https://doi.org/10.1021/jp010143n . [all data]

Meot-Ner, 1984
Meot-Ner, (Mautner)M., The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects, J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015 . [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]

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]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Dougherty, Dalton, et al., 1974
Dougherty, R.C.; Dalton, J.; Roberts, J.D., SN2 reactions in the gas phase: Structure of the transition state, Org. Mass Spectrom., 1974, 8, 77. [all data]

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Notes

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