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Methane, iodo-

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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 - 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

CH3I2- + 2Methane, iodo- = C2H6I3-

By formula: CH3I2- + 2CH3I = C2H6I3-

Quantity Value Units Method Reference Comment
Deltar29.3 ± 0.84kJ/molTDAsHiraoka, Fujita, et al., 1905gas phase; B
Quantity Value Units Method Reference Comment
Deltar4.35 ± 0.84kJ/molTDAsHiraoka, Fujita, et al., 1905gas phase; B

C6H7N+ + Methane, iodo- = (C6H7N+ bullet Methane, iodo-)

By formula: C6H7N+ + CH3I = (C6H7N+ bullet CH3I)

Quantity Value Units Method Reference Comment
Deltar41.kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar75.J/mol*KN/AMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
18.299.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

Chlorine anion + Methane, iodo- = (Chlorine anion bullet Methane, iodo-)

By formula: Cl- + CH3I = (Cl- bullet CH3I)

Quantity Value Units Method Reference Comment
Deltar41.0 ± 0.84kJ/molTDAsDougherty and Roberts, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar31.J/mol*KHPMSDougherty and Roberts, 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar29. ± 5.4kJ/molTDAsDougherty and Roberts, 1974gas phase; B

Iodide + Methane, iodo- = (Iodide bullet Methane, iodo-)

By formula: I- + CH3I = (I- bullet CH3I)

Quantity Value Units Method Reference Comment
Deltar35.7 ± 0.84kJ/molN/AVan Duzor, Wei, et al., 2010gas phase; B
Deltar32.6 ± 0.84kJ/molTDAsHiraoka, Fujita, et al., 1905gas phase; B
Deltar35.1 ± 2.1kJ/molN/AArnold, Neumark, et al., 1995gas phase; ZEKE data, shift relative to bare I-; B
Deltar34.7 ± 2.1kJ/molPDisCyr, Bishea, et al., 1992gas phase; B
Deltar38. ± 8.4kJ/molTDAsDougherty and Roberts, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar68.6J/mol*KHPMSDougherty and Roberts, 1974gas phase; M
Quantity Value Units Method Reference Comment
Deltar11.4 ± 0.84kJ/molTDAsHiraoka, Fujita, et al., 1905gas phase; B
Deltar17.2 ± 1.3kJ/molTDAsDougherty and Roberts, 1974gas phase; B

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, Fujita, et al., 1905
Hiraoka, K.; Fujita, K.; Ishida, M.; Ichikawa, T.; Okada, H.; Hiizumi, K.; Wada, A.; Takao, K.; Yamabe, S.; Tsuchida, N., Gas-phase Ion/Molecule Reactions in C5F8, J. Phys. Chem. A (2005), 1905, 109, 6, 1049-1056., https://doi.org/10.1021/jp040251k . [all data]

Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S., Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems, J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026 . [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]

Van Duzor, Wei, et al., 2010
Van Duzor, M.; Wei, J.; Mbaiwa, F.; Mabbs, R., I-center dot CH3X (X=Cl, Br, I) photodetachment: The effect of electron-molecule interactions in cluster anion photodetachment spectra and angular distributions, J. Chem. Phys., 2010, 133, 14, 144303, https://doi.org/10.1063/1.3487739 . [all data]

Arnold, Neumark, et al., 1995
Arnold, C.C.; Neumark, D.M.; Cyr, D.M.; Johnson, M.A., Negative ion zero electron kinetic energy spectroscopy of I-center dot CH3I, J. Phys. Chem., 1995, 99, 6, 1633, https://doi.org/10.1021/j100006a002 . [all data]

Cyr, Bishea, et al., 1992
Cyr, D.M.; Bishea, G.A.; Scarton, M.G.; Johnson, M.A., Observation of Charge-Transfer Excited States in the I-.CH3I, I-.CH3Br, and I-.CH2Br2 S(N)2 Reaction Intermediates Using Photofragmentation, J. Chem. Phys., 1992, 97, 8, 5911, https://doi.org/10.1063/1.463752 . [all data]


Notes

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