carbon

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Phase change 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tboil4100.KN/AHonig and Kramer, 1969Uncertainty assigned by TRC = 100. K
Quantity Value Units Method Reference Comment
Tc7020.5KN/AChang, Ryoo, et al., 1985 
Quantity Value Units Method Reference Comment
Pc7863.01atmN/AChang, Ryoo, et al., 1985 
Quantity Value Units Method Reference Comment
Vc0.02662l/molN/AChang, Ryoo, et al., 1985 

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Phase change data, References, Notes

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
Δr365.54 ± 0.17kcal/molD-EAScheer, Bilodeau, et al., 1998gas phase; Given: 1.262119(20) eV; B
Quantity Value Units Method Reference Comment
Δr360.00 ± 0.27kcal/molH-TSScheer, Bilodeau, et al., 1998gas phase; Given: 1.262119(20) eV; B

References

Go To: Top, Phase change data, 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.

Honig and Kramer, 1969
Honig, R.E.; Kramer, D.A., Vapor pressure data for the solid and liquid elements, RCA Rev., 1969, 1969, 285. [all data]

Chang, Ryoo, et al., 1985
Chang, M.C.; Ryoo, R.; Jhon, M.S., Thermodynamic Properties of Liquid Carbon, Carbon, 1985, 23, 5, 481. [all data]

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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