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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:
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
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 C+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)11.26030eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
1.262114 ± 0.000044LPDScheer, Bilodeau, et al., 1998Given: 1.262119(20) eV; B
1.26290 ± 0.00030LPDFeldmann, 1977B
>1.2 ± 1.0EIAEHonig, 1954From graphite; B

Ionization energy determinations

IE (eV) Method Reference Comment
11.26030EVALLide, 1992LL
11.260SKelly, 1987LBLHLM
12.4 ± 1.0EIHaque and Gingerich, 1981LLK
11.2 ± 0.5EIGupta and Gingerich, 1979LLK
11.2 ± 0.5EIGingerich and Gupta, 1978LLK
10.9 ± 0.4EICocke and Gingerich, 1974LLK
11.4 ± 1.5EICocke, Gingerich, et al., 1973LLK
10.9 ± 0.4EICocke and Gingerich, 1972LLK
10.5 ± 1.0EICocke and Gingerich, 1972, 2LLK
11.26030SMoore, 1970RDSH
11.3 ± 0.2EIDrowart, Burns, et al., 1959RDSH

Anion protonation reactions

Carbon anion + Hydrogen cation = Methylidyne

By formula: C- + H+ = CH

Quantity Value Units Method Reference Comment
Deltar365.54 ± 0.17kcal/molD-EAScheer, Bilodeau, et al., 1998gas phase; Given: 1.262119(20) eV; B
Quantity Value Units Method Reference Comment
Deltar360.00 ± 0.27kcal/molH-TSScheer, Bilodeau, et al., 1998gas phase; Given: 1.262119(20) eV; B

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.

Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K., Systematic study of the stable states of C-, Si-, Ge-, and Sn- via infrared laser spectroscopy, Phys. Rev. A, 1998, 58, 4, 2844-2856, https://doi.org/10.1103/PhysRevA.58.2844 . [all data]

Feldmann, 1977
Feldmann, D., Infrared Photodetachment Measurements Near Thresholds of C-, Chem. Phys. Lett., 1977, 47, 2, 338, https://doi.org/10.1016/0009-2614(77)80032-8 . [all data]

Honig, 1954
Honig, R.E., Mass spectrometric study of the molecular sublimation of graphite, J. Chem. Phys., 1954, 22, 126. [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Haque and Gingerich, 1981
Haque, R.; Gingerich, K.A., Identification and atomization energies of gaseous molecules ScC2, ScC3, ScC4, ScC5, and ScC6 by high temperature mass spectrometry, J. Chem. Phys., 1981, 74, 6407. [all data]

Gupta and Gingerich, 1979
Gupta, S.K.; Gingerich, K.A., Observation and atomization energies of the gaseous uranium carbides, UC, UC2, UC3, UC4, UC5, and UC6 by high temperature mass spectrometry, J. Chem. Phys., 1979, 71, 3072. [all data]

Gingerich and Gupta, 1978
Gingerich, K.A.; Gupta, K.A., Dissociation energies of the molecules RhTh and RhU from high temperature mass spectrometry and predicted thermodynamic stabilities of selected diatomic actinide-platinum metal intermetallic molecules, J. Chem. Phys., 1978, 69, 505. [all data]

Cocke and Gingerich, 1974
Cocke, D.L.; Gingerich, K.A., Thermodynamic investigation of the gaseous molecules TiRh, Rh2, and Ti2Rh by mass spectrometry, J. Chem. Phys., 1974, 60, 1958. [all data]

Cocke, Gingerich, et al., 1973
Cocke, D.L.; Gingerich, K.A.; Kordis, J., Determination of the high bond dissociation energy of the molecule LaRh, High Temp. Sci., 1973, 5, 474. [all data]

Cocke and Gingerich, 1972
Cocke, D.L.; Gingerich, K.A., Determination of the heats of atomization of the molecules RhC2, RhC, and TiC2 by high temperature mass spectrometry, J. Chem. Phys., 1972, 57, 3654. [all data]

Cocke and Gingerich, 1972, 2
Cocke, D.L.; Gingerich, K.A., Mass spectrometric determination of the bond dissociation energies of the molecules CePd and CeC2, J. Phys. Chem., 1972, 76, 2332. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]

Drowart, Burns, et al., 1959
Drowart, J.; Burns, R.P.; DeMaria, G.; Inghram, M.G., Mass spectrometric study of carbon vapor, J. Chem. Phys., 1959, 31, 1131. [all data]


Notes

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