praseodymium
- Formula: Pr
- Molecular weight: 140.90765
- IUPAC Standard InChIKey: PUDIUYLPXJFUGB-UHFFFAOYSA-N
- CAS Registry Number: 7440-10-0
- 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:
- 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
- Options:
Gas phase ion energetics data
Go To: Top, 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:
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 Pr+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 5.464 ± 0.005 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
5.464 | EVAL | Lide, 1992 | LL |
5.464 | PI | Worden, Solarz, et al., 1978 | LLK |
5.464 ± 0.005 | S | Martin, Zalubas, et al., 1978 | LLK |
5.464 ± 0.006 | PI | Paisner, Solarz, et al., 1977 | LLK |
5.4 ± 0.1 | EI | Ackermann, Rauh, et al., 1976 | LLK |
5.40 ± 0.05 | SI | Hertel, 1968 | RDSH |
5.61 ± 0.12 | SI | Dey and Karmohapatro, 1967 | RDSH |
5.42 ± 0.02 | S | Reader and Sugar, 1966 | RDSH |
5.6 ± 0.2 | SI | Weiershausen, 1965 | RDSH |
5.48 ± 0.01 | SI | Ionov and Mittsev, 1960 | 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]
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]
Dey and Karmohapatro, 1967
Dey, S.D.; Karmohapatro, S.B.,
First atomic ionization potentials of dysprosium and praseodymium,
J. Phys. Soc. Japan, 1967, 22, 682. [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]
Ionov and Mittsev, 1960
Ionov, N.I.; Mittsev, M.A.,
Determination of the first ionization potentials of neodymium and praseodymium by the surface ionization method,
Zh. Eksperim. i Teor. Fiz. 1960,38,1350 (Engl. Transl.: Soviet Phys. JETP, 1960, 11, 972). [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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.