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Methane

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Ion clustering 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 - J.E. Bartmess
M - M. M. Meot-Ner (Mautner) and S. G. Lias
RCD - R.C. Dunbar

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 + Methane = CH4Br-

By formula: Br- + CH4 = CH4Br-

Quantity Value Units Method Reference Comment
Deltar13.0kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-9.50kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Trifluoromethyl cation + Methane = (Trifluoromethyl cation bullet Methane)

By formula: CF3+ + CH4 = (CF3+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar19.kJ/molHPMSBennet and Field, 1972gas phase; M
Quantity Value Units Method Reference Comment
Deltar78.7J/mol*KHPMSBennet and Field, 1972gas phase; M

CH4Cl- + 2Methane = C2H8Cl-

By formula: CH4Cl- + 2CH4 = C2H8Cl-

Quantity Value Units Method Reference Comment
Deltar14.6kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-12.8kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

CH4F- + 2Methane = C2H8F-

By formula: CH4F- + 2CH4 = C2H8F-

Quantity Value Units Method Reference Comment
Deltar24.7kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-1.5kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

CH5+ + Methane = (CH5+ bullet Methane)

By formula: CH5+ + CH4 = (CH5+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar29. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar31.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar17.kJ/molHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar92.5J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar87.0J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar51.9J/mol*KHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M

(CH5+ bullet Methane) + Methane = (CH5+ bullet 2Methane)

By formula: (CH5+ bullet CH4) + CH4 = (CH5+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar22. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar25.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar6.3kJ/molHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar104.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar102.J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar30.J/mol*KHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M

(CH5+ bullet 2Methane) + Methane = (CH5+ bullet 3Methane)

By formula: (CH5+ bullet 2CH4) + CH4 = (CH5+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar13.1 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar17.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Quantity Value Units Method Reference Comment
Deltar93.7J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar109.J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M

(CH5+ bullet 3Methane) + Methane = (CH5+ bullet 4Methane)

By formula: (CH5+ bullet 3CH4) + CH4 = (CH5+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar12.6 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar16.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Quantity Value Units Method Reference Comment
Deltar99.2J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar111.J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M

(CH5+ bullet 4Methane) + Methane = (CH5+ bullet 5Methane)

By formula: (CH5+ bullet 4CH4) + CH4 = (CH5+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar11.7 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar104.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 5Methane) + Methane = (CH5+ bullet 6Methane)

By formula: (CH5+ bullet 5CH4) + CH4 = (CH5+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar11.3 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar106.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 6Methane) + Methane = (CH5+ bullet 7Methane)

By formula: (CH5+ bullet 6CH4) + CH4 = (CH5+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar11.2 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar111.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 7Methane) + Methane = (CH5+ bullet 8Methane)

By formula: (CH5+ bullet 7CH4) + CH4 = (CH5+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.5 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar90.4J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 8Methane) + Methane = (CH5+ bullet 9Methane)

By formula: (CH5+ bullet 8CH4) + CH4 = (CH5+ bullet 9CH4)

Quantity Value Units Method Reference Comment
Deltar6.44kJ/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M

C2H5+ + Methane = (C2H5+ bullet Methane)

By formula: C2H5+ + CH4 = (C2H5+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar23.0kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar28.kJ/molPHPMSHiroka and Kebarle, 1975gas phase; M
Deltar10.kJ/molHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar92.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar97.9J/mol*KPHPMSHiroka and Kebarle, 1975gas phase; M
Deltar36.J/mol*KHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M

(C2H5+ bullet Methane) + Methane = (C2H5+ bullet 2Methane)

By formula: (C2H5+ bullet CH4) + CH4 = (C2H5+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar9.92kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar67.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 2Methane) + Methane = (C2H5+ bullet 3Methane)

By formula: (C2H5+ bullet 2CH4) + CH4 = (C2H5+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar9.54kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar74.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 3Methane) + Methane = (C2H5+ bullet 4Methane)

By formula: (C2H5+ bullet 3CH4) + CH4 = (C2H5+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar9.46kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar77.0J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 4Methane) + Methane = (C2H5+ bullet 5Methane)

By formula: (C2H5+ bullet 4CH4) + CH4 = (C2H5+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar9.29kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.1J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 5Methane) + Methane = (C2H5+ bullet 6Methane)

By formula: (C2H5+ bullet 5CH4) + CH4 = (C2H5+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar9.25kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 6Methane) + Methane = (C2H5+ bullet 7Methane)

By formula: (C2H5+ bullet 6CH4) + CH4 = (C2H5+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar8.91kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar86.6J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 7Methane) + Methane = (C2H5+ bullet 8Methane)

By formula: (C2H5+ bullet 7CH4) + CH4 = (C2H5+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.79kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 8Methane) + Methane = (C2H5+ bullet 9Methane)

By formula: (C2H5+ bullet 8CH4) + CH4 = (C2H5+ bullet 9CH4)

Quantity Value Units Method Reference Comment
Deltar8.70kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 9Methane) + Methane = (C2H5+ bullet 10Methane)

By formula: (C2H5+ bullet 9CH4) + CH4 = (C2H5+ bullet 10CH4)

Quantity Value Units Method Reference Comment
Deltar7.99kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar92.J/mol*KN/AHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M

C2H8F- + 3Methane = C3H12F-

By formula: C2H8F- + 3CH4 = C3H12F-

Quantity Value Units Method Reference Comment
Deltar23.0kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-5.69kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C3H7+ + Methane = (C3H7+ bullet Methane)

By formula: C3H7+ + CH4 = (C3H7+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar10.8kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar14.kJ/molPHPMSHiraoka and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Deltar72.8J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar84.J/mol*KPHPMSHiraoka and Kebarle, 1976gas phase; M

(C3H7+ bullet Methane) + Methane = (C3H7+ bullet 2Methane)

By formula: (C3H7+ bullet CH4) + CH4 = (C3H7+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar10.3kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.5J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 2Methane) + Methane = (C3H7+ bullet 3Methane)

By formula: (C3H7+ bullet 2CH4) + CH4 = (C3H7+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar9.46kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar77.0J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 3Methane) + Methane = (C3H7+ bullet 4Methane)

By formula: (C3H7+ bullet 3CH4) + CH4 = (C3H7+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar9.20kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.5J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 4Methane) + Methane = (C3H7+ bullet 5Methane)

By formula: (C3H7+ bullet 4CH4) + CH4 = (C3H7+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar9.20kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 5Methane) + Methane = (C3H7+ bullet 6Methane)

By formula: (C3H7+ bullet 5CH4) + CH4 = (C3H7+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar9.16kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 6Methane) + Methane = (C3H7+ bullet 7Methane)

By formula: (C3H7+ bullet 6CH4) + CH4 = (C3H7+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar9.04kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 7Methane) + Methane = (C3H7+ bullet 8Methane)

By formula: (C3H7+ bullet 7CH4) + CH4 = (C3H7+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.28kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar92.J/mol*KN/AHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M

C3H12F- + 4Methane = C4H16F-

By formula: C3H12F- + 4CH4 = C4H16F-

Quantity Value Units Method Reference Comment
Deltar20.9kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-9.04kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C4H9+ + Methane = (C4H9+ bullet Methane)

By formula: C4H9+ + CH4 = (C4H9+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar10.4kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar81.6J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet Methane) + Methane = (C4H9+ bullet 2Methane)

By formula: (C4H9+ bullet CH4) + CH4 = (C4H9+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar10.0kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 2Methane) + Methane = (C4H9+ bullet 3Methane)

By formula: (C4H9+ bullet 2CH4) + CH4 = (C4H9+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar9.92kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar82.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 3Methane) + Methane = (C4H9+ bullet 4Methane)

By formula: (C4H9+ bullet 3CH4) + CH4 = (C4H9+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar9.87kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar83.7J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 4Methane) + Methane = (C4H9+ bullet 5Methane)

By formula: (C4H9+ bullet 4CH4) + CH4 = (C4H9+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar9.25kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 5Methane) + Methane = (C4H9+ bullet 6Methane)

By formula: (C4H9+ bullet 5CH4) + CH4 = (C4H9+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar8.74kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar80.8J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 6Methane) + Methane = (C4H9+ bullet 7Methane)

By formula: (C4H9+ bullet 6CH4) + CH4 = (C4H9+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar8.58kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar82.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 7Methane) + Methane = (C4H9+ bullet 8Methane)

By formula: (C4H9+ bullet 7CH4) + CH4 = (C4H9+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.33kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar84.1J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 8Methane) + Methane = (C4H9+ bullet 9Methane)

By formula: (C4H9+ bullet 8CH4) + CH4 = (C4H9+ bullet 9CH4)

Quantity Value Units Method Reference Comment
Deltar7.78kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M

C4H16F- + 5Methane = C5H20F-

By formula: C4H16F- + 5CH4 = C5H20F-

Quantity Value Units Method Reference Comment
Deltar18.8kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-12.3kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C5H20F- + 6Methane = C6H24F-

By formula: C5H20F- + 6CH4 = C6H24F-

Quantity Value Units Method Reference Comment
Deltar17.6kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-13.6kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C5MnO5+ + Methane = (C5MnO5+ bullet Methane)

By formula: C5MnO5+ + CH4 = (C5MnO5+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar30.kJ/molICRCDHop and McMahon, 1991gas phase; Ar collision gas, «DELTA»rH<; M

C6H24F- + 7Methane = C7H28F-

By formula: C6H24F- + 7CH4 = C7H28F-

Quantity Value Units Method Reference Comment
Deltar13.8kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-12.4kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C7H28F- + 8Methane = C8H32F-

By formula: C7H28F- + 8CH4 = C8H32F-

Quantity Value Units Method Reference Comment
Deltar12.1kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-15.3kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C8H32F- + 9Methane = C9H36F-

By formula: C8H32F- + 9CH4 = C9H36F-

Quantity Value Units Method Reference Comment
Deltar9.62kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-16.6kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

C9H36F- + 10Methane = C10H40F-

By formula: C9H36F- + 10CH4 = C10H40F-

Quantity Value Units Method Reference Comment
Deltar7.53kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-17.4kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Chlorine anion + Methane = CH4Cl-

By formula: Cl- + CH4 = CH4Cl-

Quantity Value Units Method Reference Comment
Deltar15.9kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-9.04kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Cobalt ion (1+) + Methane = (Cobalt ion (1+) bullet Methane)

By formula: Co+ + CH4 = (Co+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar82.8J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
90.0 (+6.7,-0.) CIDHaynes and Armentrout, 1996gas phase; guided ion beam CID; M
90.0 (+5.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M
94. (+2.,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

(Cobalt ion (1+) bullet Methane) + Methane = (Cobalt ion (1+) bullet 2Methane)

By formula: (Co+ bullet CH4) + CH4 = (Co+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar109.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(500 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
95.8 (+5.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M
104. (+4.2,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(500 K); M

(Cobalt ion (1+) bullet 2Methane) + Methane = (Cobalt ion (1+) bullet 3Methane)

By formula: (Co+ bullet 2CH4) + CH4 = (Co+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar46.kJ/molSIDTKemper, Bushnell, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AKemper, Bushnell, et al., 1993gas phase; Entropy change calculated or estimated; M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
41. (+5.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
3.477.SIDTKemper, Bushnell, et al., 1993gas phase; Entropy change calculated or estimated; M

(Cobalt ion (1+) bullet 3Methane) + Methane = (Cobalt ion (1+) bullet 4Methane)

By formula: (Co+ bullet 3CH4) + CH4 = (Co+ bullet 4CH4)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
67.8 (+5.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Cobalt ion (1+) bullet Ethane) + Methane = (Cobalt ion (1+) bullet Methane bullet Ethane)

By formula: (Co+ bullet C2H6) + CH4 = (Co+ bullet CH4 bullet C2H6)

Quantity Value Units Method Reference Comment
Deltar110.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(490 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
102. (+4.6,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(490 K); M

(Cobalt ion (1+) bullet Water) + Methane = (Cobalt ion (1+) bullet Methane bullet Water)

By formula: (Co+ bullet H2O) + CH4 = (Co+ bullet CH4 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar113.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(525 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
108. (+3.,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(525 K); M

(Cobalt ion (1+) bullet Hydrogen) + Methane = (Cobalt ion (1+) bullet Methane bullet Hydrogen)

By formula: (Co+ bullet H2) + CH4 = (Co+ bullet CH4 bullet H2)

Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+)2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993, 2; M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
94.6 (+5.0,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+)2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993, 2; M

Fluorine anion + Methane = CH4F-

By formula: F- + CH4 = CH4F-

Quantity Value Units Method Reference Comment
Deltar28.0kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar6.82kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Iron ion (1+) + Methane = (Iron ion (1+) bullet Methane)

By formula: Fe+ + CH4 = (Fe+ bullet CH4)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
57. (+3.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) bullet Methane) + Methane = (Iron ion (1+) bullet 2Methane)

By formula: (Fe+ bullet CH4) + CH4 = (Fe+ bullet 2CH4)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
97.1 (+4.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) bullet 2Methane) + Methane = (Iron ion (1+) bullet 3Methane)

By formula: (Fe+ bullet 2CH4) + CH4 = (Fe+ bullet 3CH4)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
99.2 (+5.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) bullet 3Methane) + Methane = (Iron ion (1+) bullet 4Methane)

By formula: (Fe+ bullet 3CH4) + CH4 = (Fe+ bullet 4CH4)

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
74.1 (+5.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Hydronium cation + Methane = (Hydronium cation bullet Methane)

By formula: H3O+ + CH4 = (H3O+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar33.kJ/molHPMSBennet and Field, 1972, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar85.4J/mol*KHPMSBennet and Field, 1972, 2gas phase; M

(Hydronium cation bullet Methane) + Methane = (Hydronium cation bullet 2Methane)

By formula: (H3O+ bullet CH4) + CH4 = (H3O+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar14.kJ/molHPMSBennet and Field, 1972, 2gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar34.J/mol*KHPMSBennet and Field, 1972, 2gas phase; Entropy change is questionable; M

H3S+ + Methane = (H3S+ bullet Methane)

By formula: H3S+ + CH4 = (H3S+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar16.kJ/molHPMSBennet and Field, 1972gas phase; M
Quantity Value Units Method Reference Comment
Deltar75.7J/mol*KHPMSBennet and Field, 1972gas phase; M

NH4+ + Methane = (NH4+ bullet Methane)

By formula: H4N+ + CH4 = (H4N+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar15.kJ/molHPMSBennet and Field, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar64.9J/mol*KHPMSBennet and Field, 1972gas phase; Entropy change is questionable; M

Iodide + Methane = CH4I-

By formula: I- + CH4 = CH4I-

Quantity Value Units Method Reference Comment
Deltar10.9kJ/molN/AHiraoka, Mizuno, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar-11.6kJ/molTDAsHiraoka, Mizuno, et al., 2001gas phase; B

Magnesium ion (1+) + Methane = (Magnesium ion (1+) bullet Methane)

By formula: Mg+ + CH4 = (Mg+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar28. ± 6.7kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) bullet Methane) + Methane = (Magnesium ion (1+) bullet 2Methane)

By formula: (Mg+ bullet CH4) + CH4 = (Mg+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar15. ± 6.7kJ/molCIDTAndersen, Muntean, et al., 2000RCD

Sodium ion (1+) + Methane = (Sodium ion (1+) bullet Methane)

By formula: Na+ + CH4 = (Na+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar30.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar59.0J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

References

Go To: Top, Ion clustering data, Notes

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

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]

Bennet and Field, 1972
Bennet, S.L.; Field, F.H., Reversible Reactions of Gaseous Ions. VI. The NH3 - CH4, H2S - CH4 and CF4 - CH4 Systems at Low Temperatures, J. Am. Chem. Soc., 1972, 94, 18, 6305, https://doi.org/10.1021/ja00773a009 . [all data]

Hiraoka and Mori, 1989
Hiraoka, K.; Mori, T., Gas - Phase Stability and Structure of Cluster Ions CH5+(CH4)n with n = 1 - 9, Chem. Phys. Lett., 1989, 161, 2, 111, https://doi.org/10.1016/0009-2614(89)85040-7 . [all data]

Hiraoka and Kebarle, 1975
Hiraoka, K.; Kebarle, P., Energetics, Stabilities and Possible Structures of CH5+(CH4)n Clusters from Gas Phase Study of Equilibria CH5+(CH4)n - 1 + CH4 = CH5+(CH4)n for n = 1 - 5, J. Am. Chem. Soc., 1975, 97, 15, 4179, https://doi.org/10.1021/ja00848a005 . [all data]

Field and Beggs, 1971
Field, F.H.; Beggs, D.P., Reversible Reactions of Gas Phase Ions. III. Studies with Methane at 0.1-1.0 Torr and 77-300 K, J. Am. Chem. Soc., 1971, 93, 7, 1585, https://doi.org/10.1021/ja00736a003 . [all data]

Hiraoka, Mori, et al., 1993
Hiraoka, K.; Mori, T.; Yamabe, S., The Gas-Phase Solvation of C2H5+, s-C3H7+ and s-C4H9+ with CH4. The Isomeric Structures of C2H5+ and C2H5+.CH4, Chem. Phys. Lett., 1993, 207, 2-3, 178, https://doi.org/10.1016/0009-2614(93)87011-Q . [all data]

Hiroka and Kebarle, 1975
Hiroka, K.; Kebarle, P., Information on the Proton Affinity and Protolysis of Propane from Measurement of the Ion Cluster Equilibrium: C2H5+ + CH4 = C3H9+, Can. J. Phys., 1975, 53, 970. [all data]

Hiraoka and Kebarle, 1976
Hiraoka, K.; Kebarle, P., Stabilities and Energetics of Pentacoordinated Carbonium Ions. The Isomeric C2H7+ Ions and Some Higher Analogues: C3H9+ and C4H11+, J. Am. Chem. Soc., 1976, 98, 20, 6119, https://doi.org/10.1021/ja00436a009 . [all data]

Hop and McMahon, 1991
Hop, C.E.C.A.; McMahon, T.B., Observation of a Weakly Bound Mn(CO)5+/CH4 Complex, J. Am. Chem. Soc., 1991, 113, 1, 355, https://doi.org/10.1021/ja00001a050 . [all data]

Kemper, Bushnell, et al., 1993
Kemper, P.R.; Bushnell, J.; Von Koppen, P.; Bowers, M.T., Binding Energies of Co+(H2/CH4/C2H6)1,2,3 Clusters, J. Phys. Chem., 1993, 97, 9, 1810, https://doi.org/10.1021/j100111a016 . [all data]

Haynes and Armentrout, 1996
Haynes, C.L.; Armentrout, P.B., Guided Ion Beam Determination of the Co+ - H2 Bond Dissociation energy, Chem Phys. Let., 1996, 249, 1-2, 64, https://doi.org/10.1016/0009-2614(95)01337-7 . [all data]

Armentrout and Kickel, 1994
Armentrout, P.B.; Kickel, B.L., Gas Phase Thermochemistry of Transition Metal Ligand Systems: Reassessment of Values and Periodic Trends, in Organometallic Ion Chemistry, B. S. Freiser, ed, 1994. [all data]

Kemper, Bushnell, et al., 1993, 2
Kemper, P.R.; Bushnell, J.; Von Helden, G.; Bowers, M.T., Co+(H2)n Clusters: Binding Energies and Molecular Parameters, J. Chem Phys., 1993, 97, 1, 52, https://doi.org/10.1021/j100103a012 . [all data]

Bennet and Field, 1972, 2
Bennet, S.L.; Field, F.H., Reversible Reactions of Gaseous Ions. V. The Methane - Water System at Low Temperatures, J. Am. Chem. Soc., 1972, 94, 15, 5188, https://doi.org/10.1021/ja00770a008 . [all data]

Andersen, Muntean, et al., 2000
Andersen, A.; Muntean, F.; Walter, D.; Rue, C.; Armentrout, P.B., Collision-Induced Dissociation and Theoretical Studies of Mg+ Complexes with CO, CO2, NH3, CH4, CH3OH, and C6H6, J. Phys. Chem. A, 2000, 104, 4, 692, https://doi.org/10.1021/jp993031t . [all data]

Castleman, Peterson, et al., 1983
Castleman, A.W.; Peterson, K.I.; Upschulte, B.L.; Schelling, F.J., Energetics and Structure of Na+ Cluster Ions, Int. J. Mass Spectrom. Ion Phys., 1983, 47, 203, https://doi.org/10.1016/0020-7381(83)87171-X . [all data]


Notes

Go To: Top, Ion clustering data, References