Argon cation


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
gas,1 bar39.771cal/mol*KReviewChase, 1998Data last reviewed in March, 1982

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Ion clustering 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 by: 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.

Individual Reactions

Ar+ + Argon = (Ar+ • Argon)

By formula: Ar+ + Ar = (Ar+ • Ar)

Quantity Value Units Method Reference Comment
Δr20. ± 20.kcal/molAVGN/AAverage of 5 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr12.8cal/mol*KPHPMSTeng and Conway, 1973gas phase; switching reaction(N2+)Ar; Turner and Conway, 1979, Liu and Conway, 1975

(Ar+ • 2Argon) + Argon = (Ar+ • 3Argon)

By formula: (Ar+ • 2Ar) + Ar = (Ar+ • 3Ar)

Quantity Value Units Method Reference Comment
Δr4.9 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.3cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.077.PHPMSTeng and Conway, 1973gas phase

(Ar+ • Argon) + Argon = (Ar+ • 2Argon)

By formula: (Ar+ • Ar) + Ar = (Ar+ • 2Ar)

Quantity Value Units Method Reference Comment
Δr5.06 ± 0.08kcal/molPHPMSTurner and Conway, 1979gas phase
Quantity Value Units Method Reference Comment
Δr20.3cal/mol*KPHPMSTurner and Conway, 1979gas phase

(Ar+ • 10Argon) + Argon = (Ar+ • 11Argon)

By formula: (Ar+ • 10Ar) + Ar = (Ar+ • 11Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 9Argon) + Argon = (Ar+ • 10Argon)

By formula: (Ar+ • 9Ar) + Ar = (Ar+ • 10Ar)

Quantity Value Units Method Reference Comment
Δr1.55 ± 0.20kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 3Argon) + Argon = (Ar+ • 4Argon)

By formula: (Ar+ • 3Ar) + Ar = (Ar+ • 4Ar)

Quantity Value Units Method Reference Comment
Δr1.7 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr13.9cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 4Argon) + Argon = (Ar+ • 5Argon)

By formula: (Ar+ • 4Ar) + Ar = (Ar+ • 5Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr16.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 5Argon) + Argon = (Ar+ • 6Argon)

By formula: (Ar+ • 5Ar) + Ar = (Ar+ • 6Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 6Argon) + Argon = (Ar+ • 7Argon)

By formula: (Ar+ • 6Ar) + Ar = (Ar+ • 7Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 7Argon) + Argon = (Ar+ • 8Argon)

By formula: (Ar+ • 7Ar) + Ar = (Ar+ • 8Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 8Argon) + Argon = (Ar+ • 9Argon)

By formula: (Ar+ • 8Ar) + Ar = (Ar+ • 9Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.3cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • Carbon monoxide) + Carbon monoxide = (Ar+ • 2Carbon monoxide)

By formula: (Ar+ • CO) + CO = (Ar+ • 2CO)

Quantity Value Units Method Reference Comment
Δr3.kcal/molPIPECONorwood, Guo, et al., 1989gas phase; approximate value from Ar+(2P3/2) 2CO -> Ar+(2P3/2) + 2CO

Ar+ + Hydrogen = (Ar+ • Hydrogen)

By formula: Ar+ + H2 = (Ar+ • H2)

Quantity Value Units Method Reference Comment
Δr22.4kcal/molFAShul, Passarella, et al., 1987gas phase; switching reaction(Ar+)Ar, ΔrH>; Dehmer and Pratt, 1982

Ar+ + Nitrogen = (Ar+ • Nitrogen)

By formula: Ar+ + N2 = (Ar+ • N2)

Quantity Value Units Method Reference Comment
Δr39.2kcal/molFAShul, Passarella, et al., 1987gas phase; switching reaction(Ar+)Ar, ΔrH>; Dehmer and Pratt, 1982

Ar+ + Carbon monoxide = (Ar+ • Carbon monoxide)

By formula: Ar+ + CO = (Ar+ • CO)

Quantity Value Units Method Reference Comment
Δr18. ± 4.kcal/molPIPECONorwood, Guo, et al., 1989gas phase; Ar+(2P3/2)

Ar+ + helium = (Ar+ • helium)

By formula: Ar+ + He = (Ar+ • He)

Quantity Value Units Method Reference Comment
Δr0.60kcal/molEmSpecDehmer and Pratt, 1982gas phase

Ar+ + neon = (Ar+ • neon)

By formula: Ar+ + Ne = (Ar+ • Ne)

Quantity Value Units Method Reference Comment
Δr1.8kcal/molPIDehmer and Pratt, 1982gas phase

Ion clustering data

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

Ar+ + Argon = (Ar+ • Argon)

By formula: Ar+ + Ar = (Ar+ • Ar)

Quantity Value Units Method Reference Comment
Δr20. ± 20.kcal/molAVGN/AAverage of 5 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr12.8cal/mol*KPHPMSTeng and Conway, 1973gas phase; switching reaction(N2+)Ar; Turner and Conway, 1979, Liu and Conway, 1975

(Ar+ • Argon) + Argon = (Ar+ • 2Argon)

By formula: (Ar+ • Ar) + Ar = (Ar+ • 2Ar)

Quantity Value Units Method Reference Comment
Δr5.06 ± 0.08kcal/molPHPMSTurner and Conway, 1979gas phase
Quantity Value Units Method Reference Comment
Δr20.3cal/mol*KPHPMSTurner and Conway, 1979gas phase

(Ar+ • 2Argon) + Argon = (Ar+ • 3Argon)

By formula: (Ar+ • 2Ar) + Ar = (Ar+ • 3Ar)

Quantity Value Units Method Reference Comment
Δr4.9 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.3cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.077.PHPMSTeng and Conway, 1973gas phase

(Ar+ • 3Argon) + Argon = (Ar+ • 4Argon)

By formula: (Ar+ • 3Ar) + Ar = (Ar+ • 4Ar)

Quantity Value Units Method Reference Comment
Δr1.7 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr13.9cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 4Argon) + Argon = (Ar+ • 5Argon)

By formula: (Ar+ • 4Ar) + Ar = (Ar+ • 5Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr16.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 5Argon) + Argon = (Ar+ • 6Argon)

By formula: (Ar+ • 5Ar) + Ar = (Ar+ • 6Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 6Argon) + Argon = (Ar+ • 7Argon)

By formula: (Ar+ • 6Ar) + Ar = (Ar+ • 7Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 7Argon) + Argon = (Ar+ • 8Argon)

By formula: (Ar+ • 7Ar) + Ar = (Ar+ • 8Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 8Argon) + Argon = (Ar+ • 9Argon)

By formula: (Ar+ • 8Ar) + Ar = (Ar+ • 9Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.3cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 9Argon) + Argon = (Ar+ • 10Argon)

By formula: (Ar+ • 9Ar) + Ar = (Ar+ • 10Ar)

Quantity Value Units Method Reference Comment
Δr1.55 ± 0.20kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(Ar+ • 10Argon) + Argon = (Ar+ • 11Argon)

By formula: (Ar+ • 10Ar) + Ar = (Ar+ • 11Ar)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

Ar+ + Carbon monoxide = (Ar+ • Carbon monoxide)

By formula: Ar+ + CO = (Ar+ • CO)

Quantity Value Units Method Reference Comment
Δr18. ± 4.kcal/molPIPECONorwood, Guo, et al., 1989gas phase; Ar+(2P3/2)

(Ar+ • Carbon monoxide) + Carbon monoxide = (Ar+ • 2Carbon monoxide)

By formula: (Ar+ • CO) + CO = (Ar+ • 2CO)

Quantity Value Units Method Reference Comment
Δr3.kcal/molPIPECONorwood, Guo, et al., 1989gas phase; approximate value from Ar+(2P3/2) 2CO -> Ar+(2P3/2) + 2CO

Ar+ + Hydrogen = (Ar+ • Hydrogen)

By formula: Ar+ + H2 = (Ar+ • H2)

Quantity Value Units Method Reference Comment
Δr22.4kcal/molFAShul, Passarella, et al., 1987gas phase; switching reaction(Ar+)Ar, ΔrH>; Dehmer and Pratt, 1982

Ar+ + helium = (Ar+ • helium)

By formula: Ar+ + He = (Ar+ • He)

Quantity Value Units Method Reference Comment
Δr0.60kcal/molEmSpecDehmer and Pratt, 1982gas phase

Ar+ + Nitrogen = (Ar+ • Nitrogen)

By formula: Ar+ + N2 = (Ar+ • N2)

Quantity Value Units Method Reference Comment
Δr39.2kcal/molFAShul, Passarella, et al., 1987gas phase; switching reaction(Ar+)Ar, ΔrH>; Dehmer and Pratt, 1982

Ar+ + neon = (Ar+ • neon)

By formula: Ar+ + Ne = (Ar+ • Ne)

Quantity Value Units Method Reference Comment
Δr1.8kcal/molPIDehmer and Pratt, 1982gas phase

References

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

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

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Teng and Conway, 1973
Teng, H.H.; Conway, D.C., Ion - Molecule Equilibria in Mixtures of N2 and Ar, J. Chem. Phys., 1973, 59, 5, 2316, https://doi.org/10.1063/1.1680338 . [all data]

Turner and Conway, 1979
Turner, D.L.; Conway, D.C., Study of the 2Ar + Ar2+ = Ar + Ar3+ Reaction, J. Chem. Phys., 1979, 71, 4, 1899, https://doi.org/10.1063/1.438544 . [all data]

Liu and Conway, 1975
Liu, W.F.; Conway, D.C., Ion - Molecule Reactions in Ar at 296, 195, and 77 K, J. Chem. Phys., 1975, 62, 8, 3070, https://doi.org/10.1063/1.430906 . [all data]

Hiraoka and Mori, 1989
Hiraoka, K.; Mori, T., Formation and Stabilities of Cluster Ions Arn+, J. Chem. Phys., 1989, 90, 12, 7143, https://doi.org/10.1063/1.456245 . [all data]

Norwood, Guo, et al., 1989
Norwood, K.; Guo, J.H.; Luo, G.; Ng, C.Y., A Study of Intramolecular Charge Transfer in Mixed Ar/Co Dimer and Trimer Ions Using the Photoion - Photoelectron Coincidence Method, Chem. Phys., 1989, 129, 1, 109, https://doi.org/10.1016/0301-0104(89)80023-0 . [all data]

Shul, Passarella, et al., 1987
Shul, R.J.; Passarella, R.; Upshulte, B.L.; Keesee, R.G.; Castleman, A.W., Thermal Energy Reactions Invoving Ar+ Monomer and Dimer with N2, H2, Xe, and Kr, J. Chem. Phys., 1987, 86, 8, 4446, https://doi.org/10.1063/1.452718 . [all data]

Dehmer and Pratt, 1982
Dehmer, P.M.; Pratt, S.T., Photoionization of ArKr, ArXe, and KrXe and bond dissociation energies of the rare gas dimer ions, J. Chem. Phys., 1982, 77, 4804. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, References