Chlorine anion

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.

Quantity Value Units Method Reference Comment
S°gas,1 bar153.36J/mol*KReviewChase, 1998Data last reviewed in June, 1982

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry 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:
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. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Reactions 1 to 50

Chlorine anion + Water = (Chlorine anion • Water)

By formula: Cl- + H2O = (Cl- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°60. ± 20.kJ/molAVGN/AAverage of 11 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°81. ± 10.J/mol*KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrG°40. ± 20.kJ/molAVGN/AAverage of 9 values; Individual data points

Chlorine anion + Methyl Alcohol = (Chlorine anion • Methyl Alcohol)

By formula: Cl- + CH4O = (Cl- • CH4O)

Quantity Value Units Method Reference Comment
ΔrH°69. ± 10.kJ/molAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°94.6J/mol*KHPMSEvans and Keesee, 1991gas phase; M
ΔrS°101.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°92.0J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°95.8J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°61.9J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°42. ± 3.kJ/molAVGN/AAverage of 10 values; Individual data points

Chlorine anion + Hydrogen chloride = (Chlorine anion • Hydrogen chloride)

By formula: Cl- + HCl = (Cl- • HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°124. ± 4.2kJ/molN/AMetz, Kitsopoulos, et al., 1988gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B
ΔrH°99.6 ± 8.4kJ/molTDEqCaldwell and Kebarle, 1985gas phase; B,M
ΔrH°96.7 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrH°99.16 ± 0.84kJ/molTDAsYamdagni and Kebarle, 1974gas phase; B,M
ΔrH°85.4kJ/molHPMSUpschulte, Evans, et al., 1986gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M
Quantity Value Units Method Reference Comment
ΔrS°93.3J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; switching reaction(Cl-)SO2; M
ΔrS°98.3J/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M
ΔrS°98.3J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°95.4J/mol*KN/AUpschulte, Evans, et al., 1986gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M
Quantity Value Units Method Reference Comment
ΔrG°68.2 ± 8.4kJ/molIMRELarson and McMahon, 1987gas phase; K = 0.60 for HCl..Cl- + DCL <=> DCl..Cl- + HCl, anchored to Larson and McMahon, 1984, 32; B
ΔrG°72. ± 11.kJ/molTDEqCaldwell and Kebarle, 1985gas phase; B
ΔrG°66.9 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°69.9 ± 1.3kJ/molTDAsYamdagni and Kebarle, 1974gas phase; B
ΔrG°56.9kJ/molHPMSUpschulte, Evans, et al., 1986gas phase; From thermochemical cycle(Cl-)H2O/HCl, Entropy change calculated or estimated; Keesee and Castleman, 1980; M

Chlorine anion + Sulfur dioxide = (Chlorine anion • Sulfur dioxide)

By formula: Cl- + O2S = (Cl- • O2S)

Quantity Value Units Method Reference Comment
ΔrH°92.9 ± 8.4kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B,M
ΔrH°87.4 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
ΔrH°92.9 ± 9.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..Cl- in Keesee, Lee, et al., 1980; B,M
ΔrH°91.21 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
ΔrH°87.4kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrS°90.4J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M
ΔrS°101.J/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(Cl-)H2O), Entropy change calculated or estimated; Keesee and Castleman, 1980; M
ΔrS°87.0J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°97.1J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°65.7 ± 8.4kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B
ΔrG°61.5 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
ΔrG°62.8 ± 6.7kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..Cl- in Keesee, Lee, et al., 1980; B,M
ΔrG°61.9 ± 1.3kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B
ΔrG°61.5kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
59.4296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(Cl-)H2O; M

Chlorine anion + Benzene = (Chlorine anion • Benzene)

By formula: Cl- + C6H6 = (Cl- • C6H6)

Quantity Value Units Method Reference Comment
ΔrH°25.1 ± 1.9kJ/molN/ATschurl, Ueberfluss, et al., 2007gas phase; B
ΔrH°39. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B,M
ΔrH°41.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrH°36.kJ/molPHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
ΔrH°43.5kJ/molPHPMSSunner, Nishizawa, et al., 1981gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°74.9J/mol*KPHPMSHiraoka, Mizuse, et al., 1988gas phase; M
ΔrS°71.J/mol*KN/APaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
ΔrS°71.5J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°92.J/mol*KN/ASunner, Nishizawa, et al., 1981gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°17. ± 11.kJ/molTDAsHiraoka, Mizuse, et al., 1988gas phase; B
ΔrG°16. ± 6.7kJ/molIMREChowdhury and Kebarle, 1986gas phase; B
ΔrG°20. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°15.9kJ/molIMREFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
15.300.PHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
16.300.PHPMSChowdhury and Kebarle, 1986gas phase; M
16.300.PHPMSSunner, Nishizawa, et al., 1981gas phase; Entropy change calculated or estimated; M

(Chlorine anion • 2Water) + Water = (Chlorine anion • 3Water)

By formula: (Cl- • 2H2O) + H2O = (Cl- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°48. ± 7.kJ/molAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°93.3J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°93.7J/mol*KHPMSKeesee and Castleman, 1980gas phase; M
ΔrS°97.1J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°21. ± 2.kJ/molAVGN/AAverage of 6 values; Individual data points

Chlorine anion + Acetonitrile = (Chlorine anion • Acetonitrile)

By formula: Cl- + C2H3N = (Cl- • C2H3N)

Quantity Value Units Method Reference Comment
ΔrH°61. ± 10.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°65.7J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°65.7J/mol*KPHPMSYamabe, Furumiya, et al., 1986gas phase; M
ΔrS°59.8J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°59.8J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; M
ΔrS°89.5J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°42.68 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B
ΔrG°38. ± 8.4kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B
ΔrG°37. ± 11.kJ/molTDAsYamabe, Furumiya, et al., 1986gas phase; B
ΔrG°42.26 ± 0.84kJ/molTDAsSieck, 1985gas phase; B
ΔrG°38. ± 8.4kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B

(Chlorine anion • Water) + Water = (Chlorine anion • 2Water)

By formula: (Cl- • H2O) + H2O = (Cl- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°53. ± 5.kJ/molAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°89.5J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°85.8J/mol*KHPMSKeesee and Castleman, 1980gas phase; M
ΔrS°87.0J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°28. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°27.2kJ/molTDAsKeesee and Castleman, 1980gas phase; B
ΔrG°27. ± 5.9kJ/molTDAsPayzant, Yamdagni, et al., 1971gas phase; B
ΔrG°27.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
ΔrG°28.kJ/molFAFehsenfeld and Ferguson, 1974gas phase; M

Chlorine anion + 2-Propanol, 2-methyl- = (Chlorine anion • 2-Propanol, 2-methyl-)

By formula: Cl- + C4H10O = (Cl- • C4H10O)

Quantity Value Units Method Reference Comment
ΔrH°77. ± 20.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°115.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°100.J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°97.9J/mol*KN/ALarson and McMahon, 1984gas phase; Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°110.J/mol*KPHPMSKebarle, 1977gas phase; M
ΔrS°43.1J/mol*KN/AYamdagni and Kebarle, 1971gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°48.45kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°51.5 ± 1.3kJ/molTDAsSieck, 1985gas phase; B
ΔrG°48.53kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°46.4 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°46.4 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B

Chlorine anion + Benzonitrile, 4-hydroxy- = (Chlorine anion • Benzonitrile, 4-hydroxy-)

By formula: Cl- + C7H5NO = (Cl- • C7H5NO)

Quantity Value Units Method Reference Comment
ΔrH°147. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M,M
ΔrH°148.kJ/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
ΔrS°120.J/mol*KN/ACummings, French, et al., 1977gas phase; switching reaction(Cl-)4-Cl-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°110.J/mol*KN/ACummings, French, et al., 1977gas phase; switching reaction(Cl-)4-F-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°114. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
103.423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
110.300.PHPMSCummings, French, et al., 1977gas phase; switching reaction(Cl-)4-Cl-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
108.300.PHPMSCummings, French, et al., 1977gas phase; switching reaction(Cl-)4-F-phenol, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + Acetone = (Chlorine anion • Acetone)

By formula: Cl- + C3H6O = (Cl- • C3H6O)

Quantity Value Units Method Reference Comment
ΔrH°56. ± 6.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°76.1J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°82.0J/mol*KPHPMSFrench, Ikuta, et al., 1982gas phase; M
ΔrS°71.5J/mol*KPHPMSHiraoka, Takimoto, et al., 1986gas phase; M
ΔrS°82.4J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°33.8 ± 0.84kJ/molTDAsBofdanov and McMahon, 2002gas phase; B
ΔrG°30.5kJ/molTDAsHiraoka, Morise, et al., 1986gas phase; B
ΔrG°36.8 ± 1.3kJ/molTDAsSieck, 1985gas phase; B
ΔrG°34. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°33. ± 8.4kJ/molTDAsFrench, Ikuta, et al., 1982gas phase; B

Chlorine anion + Trichloromethane = (Chlorine anion • Trichloromethane)

By formula: Cl- + CHCl3 = (Cl- • CHCl3)

Quantity Value Units Method Reference Comment
ΔrH°63.6 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B,M
ΔrH°81.6 ± 8.4kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
ΔrH°75.73kJ/molMoblGiles and Grimsrud, 1993gas phase; B
ΔrH°75.7 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrH°79.9 ± 2.9kJ/molTDEqDougherty, Dalton, et al., 1974gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°97.1J/mol*KN/ALarson and McMahon, 1984, 2gas phase; From thermochemical cycle(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984; M
ΔrS°103.J/mol*KHPMSDougherty, Dalton, et al., 1974gas phase; M
ΔrS°61.9J/mol*KPHPMSYamdagni and Kebarle, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°47. ± 5.kJ/molAVGN/AAverage of 6 values; Individual data points

Chlorine anion + Phenol = (Chlorine anion • Phenol)

By formula: Cl- + C6H6O = (Cl- • C6H6O)

Quantity Value Units Method Reference Comment
ΔrH°109. ± 8.4kJ/molTDAsFrench, Ikuta, et al., 1982gas phase; B,M
ΔrH°109. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B
ΔrH°115.kJ/molPHPMSKebarle, 1977gas phase; M
ΔrH°111.kJ/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
ΔrH°81.2 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°109.J/mol*KPHPMSFrench, Ikuta, et al., 1982gas phase; M
ΔrS°100.J/mol*KPHPMSKebarle, 1977gas phase; M
ΔrS°100.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
ΔrS°64.9J/mol*KPHPMSYamdagni and Kebarle, 1971gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°80.3 ± 8.4kJ/molTDAsFrench, Ikuta, et al., 1982gas phase; B
ΔrG°77.4 ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B
ΔrG°61.9 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
66.5423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M

Chlorine anion + Benzene, chloro- = (Chlorine anion • Benzene, chloro-)

By formula: Cl- + C6H5Cl = (Cl- • C6H5Cl)

Quantity Value Units Method Reference Comment
ΔrH°50.21 ± 0.42kJ/molTDAsSieck, 1985gas phase; B,M
ΔrH°56.9 ± 4.2kJ/molIMRELarson and McMahon, 1984gas phase; B,B,M
ΔrH°52.7kJ/molPHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°84.J/mol*KN/APaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
ΔrS°69.0J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°93.7J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°29.7 ± 0.84kJ/molTDAsSieck, 1985gas phase; B
ΔrG°29. ± 4.2kJ/molIMRELarson and McMahon, 1984gas phase; B,B,M
ΔrG°27.2kJ/molTDEqFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
28.300.PHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
27.300.PHPMSFrench, Ikuta, et al., 1982gas phase; M

(Chlorine anion • 3Water) + Water = (Chlorine anion • 4Water)

By formula: (Cl- • 3H2O) + H2O = (Cl- • 4H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°44.4 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrH°40.6kJ/molN/AMarkovich, Pollack, et al., 1994gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
ΔrH°44. ± 1.kJ/molPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrH°45.6 ± 2.9kJ/molTDAsKeesee and Castleman, 1980gas phase; B,M
ΔrH°46.4 ± 4.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°95.0J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°104.J/mol*KHPMSKeesee and Castleman, 1980gas phase; M
ΔrS°108.J/mol*KHPMSArshadi, Yamdagni, et al., 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°16. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°14.6kJ/molTDAsKeesee and Castleman, 1980gas phase; B
ΔrG°14.2kJ/molTDAsArshadi, Yamdagni, et al., 1970gas phase; B
ΔrG°17. ± 8.4kJ/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

Chlorine anion + Chloromethane = (Chlorine anion • Chloromethane)

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

Quantity Value Units Method Reference Comment
ΔrH°43.5 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
ΔrH°49.0 ± 8.4kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
ΔrH°51.0 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrH°36.0 ± 0.84kJ/molTDAsDougherty, Dalton, et al., 1974gas phase; B,M
ΔrH°63.6 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°85.8J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°64.0J/mol*KHPMSDougherty, Dalton, et al., 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°24.3 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B
ΔrG°20.3kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
ΔrG°26. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°17.2 ± 2.1kJ/molTDAsDougherty, Dalton, et al., 1974gas phase; B
ΔrG°45.2 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B

Chlorine anion + Formic acid = (Chlorine anion • Formic acid)

By formula: Cl- + CH2O2 = (Cl- • CH2O2)

Quantity Value Units Method Reference Comment
ΔrH°115. ± 8.4kJ/molTDAsFrench, Ikuta, et al., 1982gas phase; B,M
ΔrH°116. ± 8.8kJ/molCIDTWalker and Sunderlin, 1999gas phase; B
ΔrH°107. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrH°156. ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; In serious disagreement with other's values. Source of error not obvious.; B,M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSFrench, Ikuta, et al., 1982gas phase; M
ΔrS°101.J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°166.J/mol*KPHPMSYamdagni and Kebarle, 1971gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°84.1 ± 8.4kJ/molTDAsFrench, Ikuta, et al., 1982gas phase; B
ΔrG°77.0 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°106. ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; In serious disagreement with other's values. Source of error not obvious.; B

Chlorine anion + Phenol, 4-chloro- = (Chlorine anion • Phenol, 4-chloro-)

By formula: Cl- + C6H5ClO = (Cl- • C6H5ClO)

Quantity Value Units Method Reference Comment
ΔrH°124. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
ΔrH°126.kJ/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
ΔrS°110.J/mol*KN/ACummings, French, et al., 1977gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°92.5 ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
81.6423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
87.9300.PHPMSCummings, French, et al., 1977gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + Phenol, 4-fluoro- = (Chlorine anion • Phenol, 4-fluoro-)

By formula: Cl- + C6H5FO = (Cl- • C6H5FO)

Quantity Value Units Method Reference Comment
ΔrH°117. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
ΔrH°120.kJ/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
ΔrS°106.J/mol*KN/ACummings, French, et al., 1977gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°86.2 ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
75.3423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
80.8300.PHPMSCummings, French, et al., 1977gas phase; switching reaction(Cl-)C6H5OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + Ethanol = (Chlorine anion • Ethanol)

By formula: Cl- + C2H6O = (Cl- • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°74.9 ± 1.7kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°73.6 ± 2.1kJ/molTDAsHiraoka, 1987gas phase; B,B,M
ΔrH°72.4 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°99.2J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°96.7J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°44.56kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°43.9 ± 8.4kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°43.9 ± 8.4kJ/molTDAsHiraoka, 1987gas phase; B
ΔrG°43.5 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
41.8295.ICRRiveros, 1974gas phase; switching reaction(Cl-)CH3OH; Riveros, Breda, et al., 1973; M

(Chlorine anion • Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 2Methyl Alcohol)

By formula: (Cl- • CH4O) + CH4O = (Cl- • 2CH4O)

Quantity Value Units Method Reference Comment
ΔrH°59.0 ± 1.7kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°57.32 ± 0.84kJ/molTDAsEvans and Keesee, 1991gas phase; B,M
ΔrH°59.0 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
ΔrH°54.4 ± 2.9kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°101.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°92.0J/mol*KHPMSEvans and Keesee, 1991gas phase; M
ΔrS°81.2J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°30.5kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°29.7kJ/molTDAsEvans and Keesee, 1991gas phase; B
ΔrG°28. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°30.1 ± 1.7kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Chlorine anion • 2Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 3Methyl Alcohol)

By formula: (Cl- • 2CH4O) + CH4O = (Cl- • 3CH4O)

Quantity Value Units Method Reference Comment
ΔrH°48.12 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°45.2 ± 1.3kJ/molTDAsEvans and Keesee, 1991gas phase; B,M
ΔrH°49.4 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
ΔrH°51.5 ± 2.5kJ/molN/AYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°95.8J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°95.0J/mol*KHPMSEvans and Keesee, 1991gas phase; M
ΔrS°98.7J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°21.2kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°16.7kJ/molTDAsEvans and Keesee, 1991gas phase; B
ΔrG°21. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°21.8 ± 1.3kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

Chlorine anion + Benzene, nitro- = (Chlorine anion • Benzene, nitro-)

By formula: Cl- + C6H5NO2 = (Cl- • C6H5NO2)

Quantity Value Units Method Reference Comment
ΔrH°68.2 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase; B,M
ΔrH°69.0kJ/molPHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°84.J/mol*KN/APaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
ΔrS°81.2J/mol*KPHPMSChowdhury and Kebarle, 1986gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°43.9 ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase; B
ΔrG°29.7kJ/molTDEqFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
43.9300.PHPMSPaul and Kebarle, 1991gas phase; from Ph. D. thesis of S. Chowdhury, Entropy change calculated or estimated; M
32.300.PHPMSFrench, Ikuta, et al., 1982gas phase; M

Chlorine anion + Borane, triethyl- = (Chlorine anion • Borane, triethyl-)

By formula: Cl- + C6H15B = (Cl- • C6H15B)

Quantity Value Units Method Reference Comment
ΔrH°99.6 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
ΔrH°99.6kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrS°92.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
ΔrS°92.0J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°72.0 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
ΔrG°72.0kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + Hydrogen cation = Hydrogen chloride

By formula: Cl- + H+ = HCl

Quantity Value Units Method Reference Comment
ΔrH°1394.9kJ/molN/AMartin and Hepburn, 1998gas phase; Given: ΔHacid(0K)=116288.7±0.6 cm-1, or 332.486±0.002 kcal/mol; B
ΔrH°1396. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
ΔrH°1377.0kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCC-(q); ; ΔS(EA)=5.0; B
Quantity Value Units Method Reference Comment
ΔrG°1372.8 ± 0.42kJ/molH-TSMartin and Hepburn, 1998gas phase; Given: ΔHacid(0K)=116288.7±0.6 cm-1, or 332.486±0.002 kcal/mol; B
ΔrG°1374. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
ΔrG°1354.4kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCC-(q); ; ΔS(EA)=5.0; B

Chlorine anion + Acetic acid = (Chlorine anion • Acetic acid)

By formula: Cl- + C2H4O2 = (Cl- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°102.1 ± 0.84kJ/molTDAsSieck, 1985gas phase; B,M
ΔrH°90.4 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B,M
ΔrH°100. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°82.0J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°100.J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°80.8J/mol*KPHPMSYamdagni and Kebarle, 1971gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°77.8 ± 1.3kJ/molTDAsSieck, 1985gas phase; B
ΔrG°66.1 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B
ΔrG°69.9 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M

Chlorine anion + Ammonia = (Chlorine anion • Ammonia)

By formula: Cl- + H3N = (Cl- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°<30.5 ± 1.7kJ/molN/ATschurl and Boesl, 2008gas phase; B
ΔrH°34.3 ± 0.42kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
ΔrH°37. ± 5.0kJ/molN/AMarkovich, Chesnovsky, et al., 1993gas phase; B
ΔrH°44. ± 17.kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°64.4J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
ΔrS°83.3J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)CH3F, Entropy change calculated or estimated; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°15.1 ± 0.84kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B
ΔrG°19. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M

Chlorine anion + p-Cresol = (Chlorine anion • p-Cresol)

By formula: Cl- + C7H8O = (Cl- • C7H8O)

Quantity Value Units Method Reference Comment
ΔrH°107. ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
ΔrH°108.kJ/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
ΔrS°112.J/mol*KPHPMSCummings, French, et al., 1977gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°74.9 ± 8.4kJ/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
64.0423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
69.5300.PHPMSCummings, French, et al., 1977gas phase; M

Chlorine anion + Isopropyl Alcohol = (Chlorine anion • Isopropyl Alcohol)

By formula: Cl- + C3H8O = (Cl- • C3H8O)

Quantity Value Units Method Reference Comment
ΔrH°81.17 ± 0.84kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrH°76.6 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
ΔrH°73.6 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°97.1J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°47.36kJ/molTDAsBogdanov, Peschke, et al., 1999gas phase; B
ΔrG°45.61kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°44.8 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M

(Chlorine anion • 6Water) + Water = (Chlorine anion • 7Water)

By formula: (Cl- • 6H2O) + H2O = (Cl- • 7H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°34. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; Estimated entropy; single temperature measurement; B
ΔrH°28.9kJ/molN/AMarkovich, Pollack, et al., 1994gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
ΔrH°34.kJ/molPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°84.J/mol*KN/AHiraoka, Mizuse, et al., 1988, 2gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°8.8 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; Estimated entropy; single temperature measurement; B

Chlorine anion + Methylene chloride = (Chlorine anion • Methylene chloride)

By formula: Cl- + CH2Cl2 = (Cl- • CH2Cl2)

Quantity Value Units Method Reference Comment
ΔrH°66.1 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrH°61.9 ± 8.4kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
ΔrH°64.9 ± 1.3kJ/molTDEqDougherty, Dalton, et al., 1974gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°92.5J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Kebarle, 1977; M
ΔrS°92.0J/mol*KHPMSDougherty, Dalton, et al., 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°38. ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
ΔrG°37.0kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B
ΔrG°37.2 ± 2.5kJ/molTDEqDougherty, Dalton, et al., 1974gas phase; B

Chlorine anion + Phosphorus trifluoride = (Chlorine anion • Phosphorus trifluoride)

By formula: Cl- + F3P = (Cl- • F3P)

Quantity Value Units Method Reference Comment
ΔrH°64.9 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
ΔrH°64.9kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrS°87.9J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°38. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
ΔrG°38.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Chlorine anion + 1-Propanol = (Chlorine anion • 1-Propanol)

By formula: Cl- + C3H8O = (Cl- • C3H8O)

Quantity Value Units Method Reference Comment
ΔrH°85.4 ± 2.1kJ/molTDAsHiraoka, 1987gas phase; B,B,M
ΔrH°74.1 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°121.J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°97.1J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°48.95kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°49.0 ± 8.4kJ/molTDAsHiraoka, 1987gas phase; B
ΔrG°45.2 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M

Chlorine anion + Hydrogen cyanide = (Chlorine anion • Hydrogen cyanide)

By formula: Cl- + CHN = (Cl- • CHN)

Quantity Value Units Method Reference Comment
ΔrH°91.2 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B,B,M
ΔrH°87.9 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°79.1J/mol*KPHPMSMeot-ner, Cybulski, et al., 1988gas phase; M
ΔrS°99.2J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°67.8 ± 6.7kJ/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; B
ΔrG°67.4 ± 4.2kJ/molTDAsMeot-ner, 1988gas phase; B
ΔrG°58.2 ± 8.4kJ/molIMRELarson and McMahon, 1984, 2gas phase; B,M

Chlorine anion + Carbon dioxide = (Chlorine anion • Carbon dioxide)

By formula: Cl- + CO2 = (Cl- • CO2)

Quantity Value Units Method Reference Comment
ΔrH°28.5 ± 2.1kJ/molPDisArnold, Bradforth, et al., 1995gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B
ΔrH°31.8kJ/molTDEqHiraoka, Shoda, et al., 1986gas phase; B,M
ΔrH°33.5 ± 0.42kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°76.1J/mol*KPHPMSHiraoka, Shoda, et al., 1986gas phase; M
ΔrS°82.0J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°8.79kJ/molTDEqHiraoka, Shoda, et al., 1986gas phase; B
ΔrG°8.79 ± 0.42kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(Chlorine anion • 3Methyl Alcohol) + Methyl Alcohol = (Chlorine anion • 4Methyl Alcohol)

By formula: (Cl- • 3CH4O) + CH4O = (Cl- • 4CH4O)

Quantity Value Units Method Reference Comment
ΔrH°43.9 ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B,M
ΔrH°43.93kJ/molTDAsEvans and Keesee, 1991gas phase; B
ΔrH°46.9 ± 2.5kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°95.8J/mol*KPHPMSHiraoka and Mizuse, 1987gas phase; M
ΔrS°110.J/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°15. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°15.5kJ/molTDAsEvans and Keesee, 1991gas phase; B
ΔrG°13.8 ± 0.84kJ/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Chlorine anion • 4Water) + Water = (Chlorine anion • 5Water)

By formula: (Cl- • 4H2O) + H2O = (Cl- • 5H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°40. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrH°28.0kJ/molN/AMarkovich, Pollack, et al., 1994gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
ΔrH°40. ± 1.kJ/molPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°90.8J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°13. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrG°12. ± 8.4kJ/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

Chlorine anion + 2-Propanone, 1,1,1,3,3,3-hexafluoro- = (Chlorine anion • 2-Propanone, 1,1,1,3,3,3-hexafluoro-)

By formula: Cl- + C3F6O = (Cl- • C3F6O)

Quantity Value Units Method Reference Comment
ΔrH°120. ± 4.2kJ/molTDAsBofdanov and McMahon, 2002gas phase; B
ΔrH°95.8 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°92.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°73.6 ± 4.2kJ/molTDAsBofdanov and McMahon, 2002gas phase; B
ΔrG°68.2 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
ΔrG°68.2kJ/molICRLarson and McMahon, 1984, 3gas phase; switching reaction(Cl-)(C2H5)3B; M

(Chlorine anion • 3Acetonitrile) + Acetonitrile = (Chlorine anion • 4Acetonitrile)

By formula: (Cl- • 3C2H3N) + C2H3N = (Cl- • 4C2H3N)

Quantity Value Units Method Reference Comment
ΔrH°45.6 ± 1.3kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B,M
ΔrH°37.7 ± 3.3kJ/molN/AMarkovich, Perera, et al., 1996gas phase; B
ΔrH°25.9kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°111.J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°45.2J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°12. ± 5.0kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B
ΔrG°12.6kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B

Chlorine anion + 2-Propanone, 1,1,1,3,3-pentafluoro- = (Chlorine anion • 2-Propanone, 1,1,1,3,3-pentafluoro-)

By formula: Cl- + C3HF5O = (Cl- • C3HF5O)

Quantity Value Units Method Reference Comment
ΔrH°109. ± 4.2kJ/molTDAsBofdanov and McMahon, 2002gas phase; B
ΔrH°97.9kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°72.0 ± 4.2kJ/molTDAsBofdanov and McMahon, 2002gas phase; B
ΔrG°68.2 ± 8.4kJ/molIMRELarson and McMahon, 1984, 3gas phase; B,M,M

Chlorine anion + 2-Propanol, 1,1,1,3,3,3-hexafluoro- = (Chlorine anion • 2-Propanol, 1,1,1,3,3,3-hexafluoro-)

By formula: Cl- + C3H2F6O = (Cl- • C3H2F6O)

Quantity Value Units Method Reference Comment
ΔrH°111.kJ/molICRLarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)(CF3)2CH3COH, Entropy change calculated or estimated, DG>, ΔrH>; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrS°105.J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)(CF3)2CH3COH, Entropy change calculated or estimated, DG>, ΔrH>; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°79.5kJ/molICRLarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)(CF3)2CH3COH, Entropy change calculated or estimated, DG>, ΔrH>; Larson and McMahon, 1984; M

(Chlorine anion • 2Acetonitrile) + Acetonitrile = (Chlorine anion • 3Acetonitrile)

By formula: (Cl- • 2C2H3N) + C2H3N = (Cl- • 3C2H3N)

Quantity Value Units Method Reference Comment
ΔrH°46.9 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B,M
ΔrH°50.2 ± 2.9kJ/molN/AMarkovich, Perera, et al., 1996gas phase; B
ΔrH°44.35kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°82.0J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°84.1J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°22. ± 5.4kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B
ΔrG°19.2kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B

Chlorine anion + Carbon disulfide = (Chlorine anion • Carbon disulfide)

By formula: Cl- + CS2 = (Cl- • CS2)

Quantity Value Units Method Reference Comment
ΔrH°36.8 ± 0.84kJ/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B,M
ΔrH°49.0 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°58.2J/mol*KPHPMSHiraoka, Fujimaki, et al., 1993gas phase; M
ΔrS°84.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(Cl-)t-C4H9OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°19. ± 9.2kJ/molTDAsHiraoka, Fujimaki, et al., 1993gas phase; B
ΔrG°24. ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B,M

(Chlorine anion • Acetonitrile) + Acetonitrile = (Chlorine anion • 2Acetonitrile)

By formula: (Cl- • C2H3N) + C2H3N = (Cl- • 2C2H3N)

Quantity Value Units Method Reference Comment
ΔrH°52.3 ± 1.7kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B,M
ΔrH°50.2 ± 2.9kJ/molN/AMarkovich, Perera, et al., 1996gas phase; B
ΔrH°51.04kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°68.2J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
ΔrS°79.1J/mol*KPHPMSYamdagni and Kebarle, 1972gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°32. ± 5.0kJ/molTDAsHiraoka, Mizuse, et al., 1988, 2gas phase; B
ΔrG°27.6kJ/molTDAsYamdagni and Kebarle, 1972gas phase; B

Chlorine anion + C4H4F6O = (Chlorine anion • C4H4F6O)

By formula: Cl- + C4H4F6O = (Cl- • C4H4F6O)

Quantity Value Units Method Reference Comment
ΔrH°111.kJ/molICRLarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)HCOOH, Entropy change calculated or estimated, DG>, ΔrH>; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrS°105.J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)HCOOH, Entropy change calculated or estimated, DG>, ΔrH>; Larson and McMahon, 1984; M
Quantity Value Units Method Reference Comment
ΔrG°79.5kJ/molICRLarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)HCOOH, Entropy change calculated or estimated, DG>, ΔrH>; Larson and McMahon, 1984; M

(Chlorine anion • 5Water) + Water = (Chlorine anion • 6Water)

By formula: (Cl- • 5H2O) + H2O = (Cl- • 6H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°37. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B
ΔrH°35.6kJ/molN/AMarkovich, Pollack, et al., 1994gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B
ΔrH°37. ± 2.kJ/molPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°88.7J/mol*KPHPMSHiraoka, Mizuse, et al., 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°10. ± 4.2kJ/molTDAsHiraoka and Mizuse, 1987gas phase; B

Chlorine anion + Methane, bromo- = (Chlorine anion • Methane, bromo-)

By formula: Cl- + CH3Br = (Cl- • CH3Br)

Quantity Value Units Method Reference Comment
ΔrH°52.3 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
ΔrH°45.6 ± 2.1kJ/molTDAsDougherty and Roberts, 1974gas phase; B,M
ΔrH°51. ± 13.kJ/molIMRBRiveros, Breda, et al., 1973gas phase; Anchored: Larson and McMahon, 1984, 3; B
Quantity Value Units Method Reference Comment
ΔrS°53.6J/mol*KHPMSDougherty and Roberts, 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrG°28.5 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B
ΔrG°30. ± 5.0kJ/molTDAsDougherty and Roberts, 1974gas phase; B

(Chlorine anion • Hydrogen chloride) + Hydrogen chloride = (Chlorine anion • 2Hydrogen chloride)

By formula: (Cl- • HCl) + HCl = (Cl- • 2HCl)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°63.60 ± 0.84kJ/molTDAsYamdagni and Kebarle, 1974gas phase; B,M
ΔrH°58.6kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; switching reaction(Cl- HCl)SO2; M
Quantity Value Units Method Reference Comment
ΔrS°85.4J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; switching reaction(Cl- HCl)SO2; M
ΔrS°102.J/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°33.1 ± 0.84kJ/molTDAsYamdagni and Kebarle, 1974gas phase; B

Chlorine anion + Cl4Th = (Chlorine anion • Cl4Th)

By formula: Cl- + Cl4Th = (Cl- • Cl4Th)

Quantity Value Units Method Reference Comment
ΔrH°101.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°92.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrG°73.6kJ/molICRLarson and McMahon, 1985gas phase; switching reaction,Thermochemical ladder(t-C4H9OH), Entropy change calculated or estimated; M

Chlorine anion + C2H3ClO2 = (Chlorine anion • C2H3ClO2)

By formula: Cl- + C2H3ClO2 = (Cl- • C2H3ClO2)

Quantity Value Units Method Reference Comment
ΔrH°59.0kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrS°87.9J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
ΔrG°33.kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes

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

Chase, 1998
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Evans, D.H.; Keesee, R.G., Thermodynamics of Gas-Phase Mixed-Solvent Cluster Ions - Water and Methanol on K+ and Cl- and Comparison to Liquid Solutions, J. Phys. Chem., 1991, 95, 9, 3558, https://doi.org/10.1021/j100162a024 . [all data]

Hiraoka and Mizuse, 1987
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Sieck, 1985
Sieck, L.W., Thermochemistry of Solvation of NO2- and C6H5NO2- by Polar Molecules in the Vapor Phase. Comparison with Cl- and Variation with Ligand Structure., J. Phys. Chem., 1985, 89, 25, 5552, https://doi.org/10.1021/j100271a049 . [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-, Can. J. Chem., 1982, 60, 1907. [all data]

Yamdagni, Payzant, et al., 1973
Yamdagni, R.; Payzant, J.D.; Kebarle, P., Solvation of Cl- and O2- with H2O, CH3OH, and CH3CN in the gas phase, Can. J. Chem., 1973, 51, 2507. [all data]

Metz, Kitsopoulos, et al., 1988
Metz, R.B.; Kitsopoulos, T.; Weaver, A.; Neumark, D.M., Study of the Transition State Region in the Cl+HCl Reaction by Photoelectron Spectroscopy of ClHCl-, J. Chem. Phys., 1988, 88, 2, 1463, https://doi.org/10.1063/1.454218 . [all data]

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Caldwell, G.; Kebarle, P., The hydrogen bond energies of the bihalide ions XHX- and YHX-, Can. J. Chem., 1985, 63, 1399. [all data]

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Larson and McMahon, 1984, 3
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Larson and McMahon, 1985
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Sunner, Nishizawa, et al., 1981
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Kebarle, 1977
Kebarle, P., Ion Thermochemistry and Solvation from Gas Phase Ion Equilibria, Ann. Rev. Phys. Chem., 1977, 28, 1, 445, https://doi.org/10.1146/annurev.pc.28.100177.002305 . [all data]

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Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 6. Interaction Energies of the Acetate Ion with Organic Molecules. Comparison of CH3COO- with Cl-, CN-, and SH-, J. Am. Chem. Soc., 1988, 110, 12, 3854, https://doi.org/10.1021/ja00220a022 . [all data]

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Arnold, D.W.; Bradforth, S.E.; Kim, E.H.; Neumark, D.M., Study of halogen carbon dioxide clusters and the fluoroformyloxyl radical by photodetachment of X(-)(CO2) (X=I,Cl,Br) and FCO2-, J. Chem. Phys., 1995, 102, 9, 3493, https://doi.org/10.1063/1.468575 . [all data]

Hiraoka, Shoda, et al., 1986
Hiraoka, K.; Shoda, T.; Morise, K.; Yamabe, S.; Kawai, E.; Hirao, K., Stability and structure of cluster ions in the gas phase: Carbon dioxide with Cl-, H3O+, HCO2+ and HCO+, J. Chem. Phys., 1986, 84, 2091. [all data]

Markovich, Perera, et al., 1996
Markovich, G.; Perera, L.; Berkowitz, M.L.; Cheshnovsky, O., The Solvation of Cl-, Br-, and I- in Acetonitrile Cluster: Photoelectron Spectroscopy and Molecular Dynamics Simulations., J. Chem. Phys., 1996, 105, 7, 2675, https://doi.org/10.1063/1.472131 . [all data]

Hiraoka, Fujimaki, et al., 1993
Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Bond Strengths of the Gas-Phase Cluster Ions X-(CS2)n (X = F, Cl, Br and I), Chem. Phys. Lett., 1993, 208, 5-6, 491, https://doi.org/10.1016/0009-2614(93)87178-6 . [all data]

Dougherty and Roberts, 1974
Dougherty, R.C.; Roberts, J.D., SN2 reactions in the gas phase. Nucleophilicity effects, Org. Mass Spectrom., 1974, 8, 81. [all data]

Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr., Thermochemical data on Ggs-phase ion-molecule association and clustering reactions, J. Phys. Chem. Ref. Data, 1986, 15, 1011. [all data]

Notes

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