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Chlorine anion


Gas phase ion energetics 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: John E. Bartmess

Protonation reactions

Chlorine anion + Hydrogen cation = Hydrogen chloride

By formula: Cl- + H+ = HCl

Quantity Value Units Method Reference Comment
Deltar1394.9kJ/molN/AMartin and Hepburn, 1998gas phase; Given: «DELTA»Hacid(0K)=116288.7±0.6 cm-1, or 332.486±0.002 kcal/mol
Deltar1396. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Deltar1377.0kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCC-(q); ; «DELTA»S(EA)=5.0
Quantity Value Units Method Reference Comment
Deltar1372.8 ± 0.42kJ/molH-TSMartin and Hepburn, 1998gas phase; Given: «DELTA»Hacid(0K)=116288.7±0.6 cm-1, or 332.486±0.002 kcal/mol
Deltar1374. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Deltar1354.4kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCC-(q); ; «DELTA»S(EA)=5.0

References

Go To: Top, Gas phase ion energetics data, Notes

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

Martin and Hepburn, 1998
Martin, J.D.D.; Hepburn, J.W., Determination of bond dissociation energies by threshold ion-pair production spectroscopy: An improved D-0(HCl), J. Chem. Phys., 1998, 109, 19, 8139-8142, https://doi.org/10.1063/1.477476 . [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]


Notes

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