carbon
- Formula: C
- Molecular weight: 12.0107
- IUPAC Standard InChIKey: OKTJSMMVPCPJKN-UHFFFAOYSA-N
- CAS Registry Number: 7440-44-0
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: activated carbon
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
- Electron-Impact Ionization Cross Sections (on physics web site)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Ion clustering 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 619. ± 50. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • C) + C = (C+ • 2C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 774. ± 67. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • 2C) + C = (C+ • 3C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 598. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • 3C) + C = (C+ • 4C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 695. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • 4C) + C = (C+ • 5C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 628. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • 5C) + C = (C+ • 6C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 745. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • 6C) + C = (C+ • 7C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 649. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
ΔrH° | 523. | kJ/mol | MIKES | Radi, Rincon, et al., 1989 | gas phase; M |
By formula: (C+ • 7C) + C = (C+ • 8C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 753. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C+ • 8C) + C = (C+ • 9C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 703. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
ΔrH° | 745. ± 96. | kJ/mol | MIKES | Radi, Rincon, et al., 1989 | gas phase; M |
By formula: (C+ • 9C) + C = (C+ • 10C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 732. ± 96. | kJ/mol | MIKES | Radi, Rincon, et al., 1989 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 812. ± 8. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • C) + C = (C- • 2C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 628. ± 8. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 2C) + C = (C- • 3C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 703. ± 8. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 3C) + C = (C- • 4C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 630. ± 20. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 4C) + C = (C- • 5C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 715. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 5C) + C = (C- • 6C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 649. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 6C) + C = (C- • 7C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 686. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 7C) + C = (C- • 8C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 657. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (C- • 8C) + C = (C- • 9C)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 665. | kJ/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
By formula: (CH- • 4294967295C) + C = CH-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 385.7 ± 1.0 | kJ/mol | Ther | Kasdan, Herbst, et al., 1975 | gas phase; B |
By formula: (C3- • 4294967295C) + C = C3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.5 ± 8.4 | kJ/mol | N/A | Arnold, Bradforth, et al., 1991 | gas phase; Linear structure for both neutral and anion; B |
By formula: (C4- • 4294967295C) + C = C4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 676. ± 15. | kJ/mol | N/A | Arnold, Bradforth, et al., 1991 | gas phase; Linear structure for both anion and neutral. Bound state 37.063 kcal/mol up: Zhao, de Beer, et al., 1996; B |
By formula: (C6- • 4294967295C) + C = C6-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -59. ± 24. | kJ/mol | N/A | Arnold, Zhao, et al., 1992 | gas phase; There is a bound state at 47.107 kcal/mol up; Zhao, de Beer, et al., 1996; B |
By formula: (C7- • 4294967295C) + C = C7-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 478. ± 31. | kJ/mol | N/A | Arnold, Bradforth, et al., 1991 | gas phase; Linear structure for both neutral and anion; B |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pargellis, 1990
Pargellis, A.N.,
Estimating Carbon Cluster Binding Energies from Measured Cn Distributions, n <= 10,
J. Chem. Phys., 1990, 93, 3, 2099, https://doi.org/10.1063/1.459035
. [all data]
Radi, Rincon, et al., 1989
Radi, P.P.; Rincon, M.E.; Hsu, M.T.; Brodbelt-Lustig, J.; Kemper, P.; Bowers, M.T.,
Structure, Reactivity and Energetics of Covalently Bound Carbon Cluster Ions, C5+ to C11+: Experiment and Theory,
J. Phys. Chem., 1989, 93, 16, 6187, https://doi.org/10.1021/j100353a045
. [all data]
Kasdan, Herbst, et al., 1975
Kasdan, A.; Herbst, E.; Lineberger, W.C.,
Laser photoelectron spectrometry of CH2-,
Chem. Phys. Lett., 1975, 31, 78. [all data]
Arnold, Bradforth, et al., 1991
Arnold, D.W.; Bradforth, S.E.; Kitsopoulos, T.N.; Neumark, D.M.,
Vibrationally Resolved Spectra of C2-C11 by Anion Photoelectron Spectroscopy,
J. Chem. Phys., 1991, 95, 12, 8753, https://doi.org/10.1063/1.461211
. [all data]
Zhao, de Beer, et al., 1996
Zhao, Y.; de Beer, E.; Xu, C.; Taylor, T.; Neumark, D.M.,
Spectroscopy and Electron Detachment Dynamics of C4-, C6- and C8-,
J. Chem. Phys., 1996, 105, 12, 4905, https://doi.org/10.1063/1.472341
. [all data]
Arnold, Zhao, et al., 1992
Arnold, C.C.; Zhao, Y.X.; Kitsopoulos, T.N.; Neumark, D.M.,
Study of C6(-) and C6 with Threshold Photodetachment Spectroscopy and Autodetachment Spectroscopy,
J. Chem. Phys., 1992, 97, 9, 6121, https://doi.org/10.1063/1.463722
. [all data]
Notes
Go To: Top, Ion clustering data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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