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helium

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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 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

Lithium ion (1+) + helium = (Lithium ion (1+) bullet helium)

By formula: Li+ + He = (Li+ bullet He)

Quantity Value Units Method Reference Comment
Deltar7.15kJ/molIMobGatland, 1984gas phase
Deltar6.86kJ/molSCATTERINGGislason, 1984gas phase
Deltar7.07kJ/molIMobViehland, 1984gas phase
Deltar4.56kJ/molIMobMason and Sharp, 1958gas phase
Deltar13.2kJ/molIMobTakebe, 1983gas phase

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
-15.309.DTColonna-Romano and Keller, 1976gas phase; low E/N

(Nickel ion (1+) bullet 2helium) + helium = (Nickel ion (1+) bullet 3helium)

By formula: (Ni+ bullet 2He) + He = (Ni+ bullet 3He)

Quantity Value Units Method Reference Comment
Deltar6.6 ± 0.8kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 5.61 kJ/mol, «DELTA»rS(100 K) = 50.2 J/mol*K
Quantity Value Units Method Reference Comment
Deltar52.7J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 5.61 kJ/mol, «DELTA»rS(100 K) = 50.2 J/mol*K

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

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

Quantity Value Units Method Reference Comment
Deltar5.5 ± 0.4kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 5.10 kJ/mol, «DELTA»rS(100 K) = 46.4 J/mol*K
Quantity Value Units Method Reference Comment
Deltar48.5J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 5.10 kJ/mol, «DELTA»rS(100 K) = 46.4 J/mol*K

(Nickel ion (1+) bullet helium) + helium = (Nickel ion (1+) bullet 2helium)

By formula: (Ni+ bullet He) + He = (Ni+ bullet 2He)

Quantity Value Units Method Reference Comment
Deltar15.5 ± 0.4kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 14.3 kJ/mol, «DELTA»rS(100 K) = 82.8 J/mol*K
Quantity Value Units Method Reference Comment
Deltar84.9J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 14.3 kJ/mol, «DELTA»rS(100 K) = 82.8 J/mol*K

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

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

Quantity Value Units Method Reference Comment
Deltar15.4 ± 0.4kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 14.3 kJ/mol, «DELTA»rS(100 K) = 79.9 J/mol*K
Quantity Value Units Method Reference Comment
Deltar82.0J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 14.3 kJ/mol, «DELTA»rS(100 K) = 79.9 J/mol*K

Chromium ion (1+) + helium = (Chromium ion (1+) bullet helium)

By formula: Cr+ + He = (Cr+ bullet He)

Quantity Value Units Method Reference Comment
Deltar5.4 ± 0.4kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 4.1 kJ/mol, «DELTA»rS(100 K) = 55.6 J/mol*K
Quantity Value Units Method Reference Comment
Deltar61.9J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 4.1 kJ/mol, «DELTA»rS(100 K) = 55.6 J/mol*K

Nickel ion (1+) + helium = (Nickel ion (1+) bullet helium)

By formula: Ni+ + He = (Ni+ bullet He)

Quantity Value Units Method Reference Comment
Deltar14.6 ± 0.4kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 12.4 kJ/mol, «DELTA»rS(100 K) = 61.5 J/mol*K
Quantity Value Units Method Reference Comment
Deltar71.5J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 12.4 kJ/mol, «DELTA»rS(100 K) = 61.5 J/mol*K

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

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

Quantity Value Units Method Reference Comment
Deltar14.9 ± 0.4kJ/molSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 12.6 kJ/mol, «DELTA»rS(100 K) = 61.5 J/mol*K
Quantity Value Units Method Reference Comment
Deltar71.5J/mol*KSIDTKemper, Hsu, et al., 1991gas phase; «DELTA»rH(0 K) = 12.6 kJ/mol, «DELTA»rS(100 K) = 61.5 J/mol*K

(He+ bullet helium) + helium = (He+ bullet 2helium)

By formula: (He+ bullet He) + He = (He+ bullet 2He)

Quantity Value Units Method Reference Comment
Deltar18.kJ/molDTPatterson, 1968gas phase; corrected for ln T term
Quantity Value Units Method Reference Comment
Deltar77.0J/mol*KDTPatterson, 1968gas phase; corrected for ln T term

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
-7.9300.SAMSGusinow, Gerber, et al., 1970gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar4.98kJ/molSCATTERINGGislason, 1984gas phase
Deltar3.3kJ/molIMobViehland, 1984gas phase
Deltar3.9kJ/molIMobMason and Sharp, 1958gas phase
Deltar5.77kJ/molIMobTakebe, 1983gas phase

Potassium ion (1+) + helium = (Potassium ion (1+) bullet helium)

By formula: K+ + He = (K+ bullet He)

Quantity Value Units Method Reference Comment
Deltar2.4kJ/molSCATTERINGGislason, 1984gas phase
Deltar2.2kJ/molIMobViehland, 1984gas phase
Deltar2.2kJ/molIMobTakebe, 1983gas phase
Deltar2.4kJ/molIMobRobson and Kumar, 1973gas phase

(He+ bullet 2helium) + helium = (He+ bullet 3helium)

By formula: (He+ bullet 2He) + He = (He+ bullet 3He)

Quantity Value Units Method Reference Comment
Deltar15.6 ± 0.63kJ/molPHPMSHiraoka and Mori, 1990gas phase
Quantity Value Units Method Reference Comment
Deltar74.1J/mol*KPHPMSHiraoka and Mori, 1990gas phase

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
3.77.DTHelm, 1976gas phase

(He+ bullet 3helium) + helium = (He+ bullet 4helium)

By formula: (He+ bullet 3He) + He = (He+ bullet 4He)

Quantity Value Units Method Reference Comment
Deltar2.7 ± 0.63kJ/molPHPMSHiraoka and Mori, 1990gas phase
Quantity Value Units Method Reference Comment
Deltar53.6J/mol*KPHPMSHiraoka and Mori, 1990gas phase

(He+ bullet 4helium) + helium = (He+ bullet 5helium)

By formula: (He+ bullet 4He) + He = (He+ bullet 5He)

Quantity Value Units Method Reference Comment
Deltar2.0 ± 0.63kJ/molPHPMSHiraoka and Mori, 1990gas phase
Quantity Value Units Method Reference Comment
Deltar45.2J/mol*KPHPMSHiraoka and Mori, 1990gas phase

Nitrogen cation + helium = (Nitrogen cation bullet helium)

By formula: N2+ + He = (N2+ bullet He)

Quantity Value Units Method Reference Comment
Deltar2.kJ/molPDissBieske, Soliva, et al., 1990gas phase; same «DELTA»rH for N2+(B) and (N2+)X; ab initio, Miller, Tennyson, et al., 1988

He+ + helium = (He+ bullet helium)

By formula: He+ + He = (He+ bullet He)

Quantity Value Units Method Reference Comment
Deltar228.kJ/molEmSpecDehmer and Pratt, 1982gas phase
Deltar246.kJ/molSCATTERINGMittman and Weise, 1974gas phase

Cesium ion (1+) + helium = (Cesium ion (1+) bullet helium)

By formula: Cs+ + He = (Cs+ bullet He)

Quantity Value Units Method Reference Comment
Deltar1.5kJ/molSCATTERINGGislason, 1984gas phase
Deltar1.3kJ/molIMobMason and Sharp, 1958gas phase

HN2+ + helium = (HN2+ bullet helium)

By formula: HN2+ + He = (HN2+ bullet He)

Quantity Value Units Method Reference Comment
Deltar5.0kJ/molSCATTERINGMeuwly, Nizkorodov, et al., 1996gas phase

Ne+ + helium = (Ne+ bullet helium)

By formula: Ne+ + He = (Ne+ bullet He)

Quantity Value Units Method Reference Comment
Deltar66.9kJ/molEmSpecDehmer and Pratt, 1982gas phase

Ar+ + helium = (Ar+ bullet helium)

By formula: Ar+ + He = (Ar+ bullet He)

Quantity Value Units Method Reference Comment
Deltar2.5kJ/molEmSpecDehmer and Pratt, 1982gas phase

References

Go To: Top, Reaction thermochemistry data, Notes

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

Gatland, 1984
Gatland, I.R., Swarms of Ions and Electrons in Gases, W. Lindinger, T. D. Mark and F. Howorka, eds. (Springer, New York, 1984, 1984, 44. [all data]

Gislason, 1984
Gislason, E.A., Quoted in I. R. Gatland in Swarms of Ions and Electrons in Gases, W. Lindinger, T. D. Mark and F. Howorka, eds. (Springer, New York, 1984, 1984, 44. [all data]

Viehland, 1984
Viehland, L.A., Interaction Potentials for Li+ - Rare - Gas Systems, Chem. Phys., 1984, 78, 2, 279, https://doi.org/10.1016/0301-0104(83)85114-3 . [all data]

Mason and Sharp, 1958
Mason, E.A.; Sharp, H.W., Mobility of gaseous lons in weak electric fields, Ann. Phys., 1958, 4, 3, 233, https://doi.org/10.1016/0003-4916(58)90049-6 . [all data]

Takebe, 1983
Takebe, M., The Generalized Mobility Curve for Alkali Ions in Rare Gases: Clustering Reactions and Mobility Curves, J. Chem. Phys., 1983, 78, 12, 7223, https://doi.org/10.1063/1.444763 . [all data]

Colonna-Romano and Keller, 1976
Colonna-Romano, L.M.; Keller, G.E., The Clustering of O2 and He to Li+, J. Chem. Phys., 1976, 64, 6, 2684, https://doi.org/10.1063/1.432522 . [all data]

Kemper, Hsu, et al., 1991
Kemper, P.R.; Hsu, M.T.; Bowers, M.T., Transition - Metal Ion - Rare Gas Clusters: Bond Strengths and Molecular Parameters for Co+(He/Ne)n, Ni+(He/Ne)n, and Cr+(He/Ne/Ar), J. Phys. Chem., 1991, 95, 26, 10600, https://doi.org/10.1021/j100179a022 . [all data]

Patterson, 1968
Patterson, P.L., Evidence of the Existence of an He3+ Ion, J. Chem. Phys., 1968, 48, 8, 3625, https://doi.org/10.1063/1.1669660 . [all data]

Gusinow, Gerber, et al., 1970
Gusinow, M.A.; Gerber, R.A.; Gerardo, J.B., He3+ and He4+ in 300K Helium Plasmas: Their Effect on Recombination Loss of Electrons, Phys. Rev. Lett., 1970, 25, 18, 1248, https://doi.org/10.1103/PhysRevLett.25.1248 . [all data]

Robson and Kumar, 1973
Robson, R.E.; Kumar, K., Mobility and Diffusion II. Dependence on Experimental Variables and Interaction Potential for Alkali Ions in Rare Gases, Aust. J. Phys., 1973, 26, 2, 187, https://doi.org/10.1071/PH730187 . [all data]

Hiraoka and Mori, 1990
Hiraoka, K.; Mori, T., Stability of Rare - Gas Cluster Ions, J. Chem. Phys., 1990, 92, 7, 4408, https://doi.org/10.1063/1.457751 . [all data]

Helm, 1976
Helm, H., The Mobilities and Equilibrium Reactions of Helium Ions in Helium at 77K, J. Phys. B, 1976, 9, 7, 1171, https://doi.org/10.1088/0022-3700/9/7/017 . [all data]

Bieske, Soliva, et al., 1990
Bieske, E.J.; Soliva, A.; Welker, M.A.; Maier, J.P., The B<---X Electronic Spectrum of N2+ He, J. Chem. Phys., 1990, 93, 6, 4477, https://doi.org/10.1063/1.458732 . [all data]

Miller, Tennyson, et al., 1988
Miller, S.; Tennyson, J.; Follmeg, B.; Rosmus, P.; Werner, H., Ab initio Investigation of the Bond Rovibrational States in the Electronic Ground State of HeN2+, J. Chem. Phys., 1988, 89, 4, 2178, https://doi.org/10.1063/1.455062 . [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]

Mittman and Weise, 1974
Mittman, H.U.; Weise, H.P., Scattering of Ions V. Elastic Scattering of the Symmetric Rare Gas Ion - Rare Gas Atom Systems, Z. Naturforsch., 1974, A29, 400. [all data]

Meuwly, Nizkorodov, et al., 1996
Meuwly, M.; Nizkorodov, S.A.; Maier, J.P.; Bieske, E.J., Mid-Infrared Spectra of He-HN2+ and He2-HN2+, J. Chem. Phys., 1996, 104, 11, 3876, https://doi.org/10.1063/1.471244 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References