samarium
- Formula: Sm
- Molecular weight: 150.36
- IUPAC Standard InChI: InChI=1S/Sm
- IUPAC Standard InChIKey: KZUNJOHGWZRPMI-UHFFFAOYSA-N
- CAS Registry Number: 7440-19-9
- Chemical structure:
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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:
LL - Sharon G. Lias and Joel F. Liebman
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 Sm+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 5.6437 ± 0.0006 | eV | N/A | N/A | L |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 5.6437 | EVAL | Lide, 1992 | LL |
| 5.6437 ± 0.0006 | LS | Worden, Solarz, et al., 1978 | LLK |
| 5.6437 ± 0.0010 | S | Martin, Zalubas, et al., 1978 | LLK |
| 5.639 ± 0.003 | PI | Paisner, Solarz, et al., 1977 | LLK |
| 5.644 ± 0.001 | LS | Paisner, Solarz, et al., 1977 | LLK |
| 5.5 | EI | Hildenbrand, 1977 | LLK |
| 5.6 ± 0.1 | EI | Ackermann, Rauh, et al., 1976 | LLK |
| 5.61 ± 0.05 | SI | Hertel, 1968 | RDSH |
| 5.56 ± 0.10 | EI | Zmbov and Margrave, 1966 | RDSH |
| 5.63 ± 0.02 | S | Reader and Sugar, 1966 | RDSH |
| 6.15 ± 0.05 | SI | Weiershausen, 1965 | RDSH |
| 5.70 ± 0.02 | SI | Alekseev and Kaminskii, 1965 | 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.
Lide, 1992
Lide, D.R. (Editor),
Ionization potentials of atoms and atomic ions
in Handbook of Chem. and Phys., 1992, 10-211. [all data]
Worden, Solarz, et al., 1978
Worden, E.F.; Solarz, R.W.; Paisner, J.A.; Conway, J.G.,
First ionization potentials of lanthanides by laser spectroscopy,
J. Opt. Soc. Am., 1978, 68, 52. [all data]
Martin, Zalubas, et al., 1978
Martin, W.C.; Zalubas, R.; Hagan, L.,
Atomic energy levels - the rare earth elements,
Natl. Stand. Ref. Data Ser. (U.S. Natl. Bur. Stand.), 1978, 60. [all data]
Paisner, Solarz, et al., 1977
Paisner, J.A.; Solarz, R.W.; Worden, E.F.; Conway, J.G.,
IV. Highly excited states, ionization, and high intensity interactions Identification of Rydberg state in the atomic lanthanides and actinides,
Springer Ser. Opt. Sci., 1977, 7, 160. [all data]
Hildenbrand, 1977
Hildenbrand, D.L.,
Dissociation energy of samarium monoxide and its relation to that of europium monoxide,
Chem. Phys. Lett., 1977, 48, 340. [all data]
Ackermann, Rauh, et al., 1976
Ackermann, R.J.; Rauh, E.G.; Thorn, R.J.,
The thermodynamics of ionization of gaseous oxides; the first ionization potentials of the lanthanide metals and monoxides,
J. Chem. Phys., 1976, 65, 1027. [all data]
Hertel, 1968
Hertel, G.R.,
Surface ionization. III. The first ionization potentials of the lanthanides,
J. Chem. Phys., 1968, 48, 2053. [all data]
Zmbov and Margrave, 1966
Zmbov, K.F.; Margrave, J.L.,
The first ionization potentials of samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, and ytterbium by the electron-impact method,
J. Phys. Chem., 1966, 70, 3014. [all data]
Reader and Sugar, 1966
Reader, J.; Sugar, J.,
Ionization energies of the neutral rare earths,
J. Opt. Soc. Am., 1966, 56, 1189. [all data]
Weiershausen, 1965
Weiershausen, W.,
Oberflachenionisation und Oberflachenoxydation einiger Seltener Erden an W und Re,
Ann. Physik, 1965, 15, 252. [all data]
Alekseev and Kaminskii, 1965
Alekseev, N.I.; Kaminskii, D.L.,
Ionization of some rare earth elements on the surfaces of tungsten, rhenium, and iridium,
Zh. Tekhn. Fiz. 1964,34,1521 (Engl. Transl.: Soviet Phys. - Tech. Phys., 1965, 9, 1177). [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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