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Benzene, iodo-

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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.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas165. ± 5.9kJ/molCcbSmith, 1956Heat of formation derived by Cox and Pilcher, 1970

Condensed 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.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid117. ± 4.2kJ/molCcbSmith, 1956Heat of formation derived by Cox and Pilcher, 1970; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-3192.8 ± 4.2kJ/molCcbSmith, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -3190.0 kJ/mol; Heat of formation derived by Cox and Pilcher, 1970; ALS
Deltacliquid-3192.8 ± 4.2kJ/molCcbSmith, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -3190.0 kJ/mol; ALS
Quantity Value Units Method Reference Comment
liquid205.4J/mol*KN/AStull, 1937Extrapolation below 91 K, 53.14 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
158.4298.15Shehatta, 1993DH
158.70298.1Stull, 1937T = 90 to 320 K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
112.1226.1Aoyama and Kanda, 1935T = 81 to 226 K. Value is unsmoothed experimental datum.; DH

Reaction thermochemistry data

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

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

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.

Individual Reactions

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

By formula: C6H7N+ + C6H5I = (C6H7N+ bullet C6H5I)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Deltar55.6kJ/molPHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar110.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
20.324.PHPMSMeot-Ner (Mautner) and El-Shall, 1986gas phase; Entropy change calculated or estimated; M

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

By formula: Cl- + C6H5I = (Cl- bullet C6H5I)

Quantity Value Units Method Reference Comment
Deltar30.1kJ/molTDEqFrench, Ikuta, et al., 1982gas phase; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
30.300.PHPMSFrench, Ikuta, et al., 1982gas phase; M

Hydrogen iodide + Benzene, iodo- = Benzene + Iodine

By formula: HI + C6H5I = C6H6 + I2

Quantity Value Units Method Reference Comment
Deltar-22. ± 5.9kJ/molCmGraham, Nichol, et al., 1955gas phase; ALS

References

Go To: Top, Gas phase thermochemistry data, Condensed 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.

Smith, 1956
Smith, L., Corrected heats of combustion of organic iodine compounds, Acta Chem. Scand., 1956, 10, 884-886. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Stull, 1937
Stull, D.R., A semi-micro calorimeter for measuring heat capacities at low temperatures, J. Am. Chem. Soc., 1937, 59, 2726-2733. [all data]

Shehatta, 1993
Shehatta, I., Heat capacity at constant pressure of some halogen compounds, Thermochim. Acta, 1993, 213, 1-10. [all data]

Aoyama and Kanda, 1935
Aoyama, S.; Kanda, E., Studies on the heat capacities at low temperature. Report I. Heat capacities of some organic substances at low temperature, Sci. Rept. Tohoku Imp. Univ. [1]24, 1935, 107-115. [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]

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]

Graham, Nichol, et al., 1955
Graham, W.S.; Nichol, R.J.; Ubbelohde, A.R., A thermochemical evaluation of bond strengths in some carbon compounds. Part III. Bond strengths based on the reactions: (a) Ph·CH2I + HI=Ph·CH3 + I2 and (b) PhI + HI=PhH + I2, J. Chem. Soc., 1955, 115-121. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References