cobalt
- Formula: Co
- Molecular weight: 58.933195
- IUPAC Standard InChIKey: GUTLYIVDDKVIGB-UHFFFAOYSA-N
- CAS Registry Number: 7440-48-4
- Chemical structure:
This structure is also available as a 2d Mol file - Permanent link for this species. Use this link for bookmarking this species for future reference.
- 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)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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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:
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to Co+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.8810 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 177.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 172.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.66330 ± 0.00061 | N/A | Scheer, Brodie, et al., 1998 | B |
0.6620 ± 0.0030 | LPES | Leopold and Lineberger, 1986 | B |
0.662 ± 0.010 | LPES | Corderman, Engelking, et al., 1979 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.8810 | EVAL | Lide, 1992 | LL |
7.8810 | LS | Page and Gudeman, 1990 | LL |
7.864 | S | Kelly, 1987 | LBLHLM |
7.86 ± 0.06 | S | Sugar and Corliss, 1985 | LBLHLM |
7.86 | PE | Dyke, Gravenor, et al., 1982 | LBLHLM |
7.86 | S | Moore, 1970 | RDSH |
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.
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]
Scheer, Brodie, et al., 1998
Scheer, M.; Brodie, C.A.; Bilodeau, R.C.; Haugen, H.K.,
Laser spectroscopic measurements of binding energies and fine-structure splittings of Co-, Ni-, Rh-, and Pd-,
Phys. Rev. A, 1998, 58, 3, 2051-2062, https://doi.org/10.1103/PhysRevA.58.2051
. [all data]
Leopold and Lineberger, 1986
Leopold, D.G.; Lineberger, W.C.,
A study of the low-lying electronic states of Fe2 and Co2 by negative ion photoelectron spectroscopy,
J. Chem. Phys., 1986, 85, 51. [all data]
Corderman, Engelking, et al., 1979
Corderman, R.R.; Engelking, P.C.; Lineberger, W.C.,
Laser photoelectron spectrometry of Co- and Ni-,
J. Chem. Phys., 1979, 70, 4474. [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]
Page and Gudeman, 1990
Page, R.H.; Gudeman, C.S.,
Completing the iron period: Double-resonance, fluorescence-dip rydberg spectroscopy and ionization potentials of titanium, vanadium, iron, cobalt, and nickel,
J. Opt. Soc. Am. B, 1990, 1761. [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]
Sugar and Corliss, 1985
Sugar, J.; Corliss, C.,
Atomic energy levels of the iron period elements: Potassium through nickel,
J. Phys. Chem. Ref. Data, 1985, 14. [all data]
Dyke, Gravenor, et al., 1982
Dyke, J.M.; Gravenor, B.W.J.; Lewis, R.A.; Morris, A.,
Gas-phase high temperature photoelectron spectroscopy: An investigation of the transition metals iron, cobalt, and nickel,
J. Phys. B:, 1982, 15, 4523. [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]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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