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barium oxide, obtained by calcining witherite


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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to BaO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)6.46 ± 0.07eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)1215.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity1187.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
6.91EIKoitabashi, 1994LL
6.5 ± 0.15EVALBelyaev, Gotkis, et al., 1990LL
6.46 ± 0.07PEDyke, Feher, et al., 1987LBLHLM
6.8 ± 0.2EIMurad, 1981LLK
6.9 ± 0.1EIRauh and Ackermann, 1976LLK
6.5 ± 0.2EIHilpert, Naoumidis, et al., 1975LLK
7. ± 1.EIFarber and Srivastava, 1975LLK
6.97 ± 0.12EIPanchenkov, Gusarov, et al., 1973LLK
6.8 ± 0.5EIPupp, Yamdagni, et al., 1969RDSH
6.5 ± 0.3EIMesnard, Uzan, et al., 1963RDSH
6.89 ± 0.03PEDyke, Feher, et al., 1987Vertical value; LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Ba+~11.OEIKoitabashi, 1994LL
Ba+10.95 ± 0.18OEIPanchenkov, Gusarov, et al., 1973LLK
Ba+13.7 ± 0.5OEIMesnard, Uzan, et al., 1966RDSH
Ba+13.2 ± 0.2OEIMesnard, Uzan, et al., 1963RDSH

References

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

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Koitabashi, 1994
Koitabashi, M., Mass spectrum of barium oxide vapor, Jpn. J. Appl. Phys., 1994, 33, 5995. [all data]

Belyaev, Gotkis, et al., 1990
Belyaev, V.N.; Gotkis, I.S.; Lebedeva, N.L.; Krasnov, K.S., Ionization potentials of MX molecules (M = Ca, Sr, Ba; X = F, Cl, Br, I, OH, O), Russ. J. Phys. Chem., 1990, 64, 773. [all data]

Dyke, Feher, et al., 1987
Dyke, J.M.; Feher, M.; Gravenor, B.W.J.; Morris, A., High-temperature photoelectron spectroscopy: A study of the alkaline earth oxides SrO and BaO, J. Phys. Chem., 1987, 91, 4476. [all data]

Murad, 1981
Murad, E., Thermochemical properties of the gaseous alkaline earth monohydroxides, J. Chem. Phys., 1981, 75, 4080. [all data]

Rauh and Ackermann, 1976
Rauh, E.G.; Ackermann, R.J., Erratum: First ionization potentials of some refractory oxide vapors, J. Chem. Phys., 1976, 64, 1862. [all data]

Hilpert, Naoumidis, et al., 1975
Hilpert, K.; Naoumidis, A.; Wolff, G., Mass spectrometric study of the evaporation of BaAl2O4, High Temp. Sci., 1975, 7, 1. [all data]

Farber and Srivastava, 1975
Farber, M.; Srivastava, R.D., The dissociation energy of barium oxide, High Temp. Sci., 1975, 7, 74. [all data]

Panchenkov, Gusarov, et al., 1973
Panchenkov, I.G.; Gusarov, A.V.; Gorokhov, L.N., Dissociation energy of the barium oxide molecule, Russ. J. Phys. Chem., 1973, 47, 55. [all data]

Pupp, Yamdagni, et al., 1969
Pupp, C.; Yamdagni, R.; Porter, R.F., Mass spectrometric study of the evaporation of BaMoO4 and BaWO4, J. Inorg. Nucl. Chem., 1969, 31, 2021. [all data]

Mesnard, Uzan, et al., 1963
Mesnard, G.; Uzan, R.; Cabaud, B., Potentiels d'apparition des ions obtenus dans un spectrometre de masse a partir d'oxydes alcalino-terreux, Cahiers Phys., 1963, 17, 333. [all data]

Mesnard, Uzan, et al., 1966
Mesnard, G.; Uzan, R.; Cabaud, B., Etude au spectrometre de masse des produits d'evaporation du bioxyde de titane et du titanate de baryum, Rev. Phys. Appl., 1966, 1, 123. [all data]


Notes

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