gallium
- Formula: Ga
- Molecular weight: 69.723
- IUPAC Standard InChIKey: GYHNNYVSQQEPJS-UHFFFAOYSA-N
- CAS Registry Number: 7440-55-3
- 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)
- Electron-Impact Ionization Cross Sections (on physics web site)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data
Go To: Top, Gas phase ion energetics data, References, Notes
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 |
---|---|---|---|---|---|
Tfus | 302.92 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.004 K; recommended as calibration standard |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 302.92 | K | N/A | Anonymous, 1988 | Uncertainty assigned by TRC = 0.0005 K; nominal value, from the catalog |
Ttriple | 302.92 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.0003 K; recommended as calibration standard |
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:
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
B - John E. Bartmess
View reactions leading to Ga+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 5.99930 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.430 ± 0.030 | LPES | Williams, Carpenter, et al., 1998 | B |
0.40 ± 0.20 | LPES | Cha, Ganteför, et al., 1994 | B |
<0.30 ± 0.15 | PD | Feldmann, Rackwitz, et al., 1977 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
5.99930 | EVAL | Lide, 1992 | LL |
5.999 | S | Kelly, 1987 | LBLHLM |
6.0 ± 0.2 | EI | Hirayama, Straw, et al., 1985 | LBLHLM |
6.0 ± 0.3 | EI | Kleinschmidt and Hildenbrand, 1978 | LLK |
6.1 ± 0.4 | EI | Piacente and Balducci, 1974 | LLK |
6.1 | EI | Gingerich and Piacente, 1971 | LLK |
5.999 | S | Moore, 1970 | RDSH |
5.99930 | S | Johansson and Litzen, 1967 | RDSH |
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.
Marsh, 1987
Marsh, K.N.,
Recommended Reference Materials for the Realization of Physicochemical Properties, Blackwell Sci. Pub., Oxford, 1987. [all data]
Anonymous, 1988
Anonymous, X.,
, NBS Spec. Publ. (U. S.) 260, 1988. [all data]
Williams, Carpenter, et al., 1998
Williams, W.W.; Carpenter, D.L.; Covington, A.M.; Koepnick, M.C.; Calabrese, D.; Thompson, J.S.,
Laser photodetachment electron spectrometry of Ga-,
J. Phys. B: Atom. Mol. Opt. Phys., 1998, 31, 8, L341-L345, https://doi.org/10.1088/0953-4075/31/8/003
. [all data]
Cha, Ganteför, et al., 1994
Cha, C.-Y.; Ganteför, G.; Eberhardt, W.,
The Development of the 3p and 4p Valence Band of Small Aluminum and Gallium Clusters,
J. Chem. Phys., 1994, 100, 2, 995, https://doi.org/10.1063/1.466582
. [all data]
Feldmann, Rackwitz, et al., 1977
Feldmann, D.; Rackwitz, R.; Heincke, H.; Kaiser, H.J.,
Photoabsolung von Elektronen der Ionen B-, Ga-, In-, Tl-, Ge-, und Pb-,
Z. Naturforschung A, 1977, 32, 302. [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]
Hirayama, Straw, et al., 1985
Hirayama, C.; Straw, R.D.; Hobgood, H.M.,
Equilibria over gas in the Knudsen cell range,
J. Less-Common Met., 1985, 109, 331. [all data]
Kleinschmidt and Hildenbrand, 1978
Kleinschmidt, P.D.; Hildenbrand, D.L.,
Dissociation energies of CaI, SrI, and BaI from high temperature mass spectrometry,
J. Chem. Phys., 1978, 68, 2819. [all data]
Piacente and Balducci, 1974
Piacente, V.; Balducci, G.,
The dissociation energy of the molecule GaSb,
High Temp. Sci., 1974, 6, 254. [all data]
Gingerich and Piacente, 1971
Gingerich, K.A.; Piacente, V.,
Gaseous phosphorus compounds. IV. Thermodynamic study of gallium monophosphide with a mass spectrometer and dissociation energy of aluminum diphosphide,
J. Chem. Phys., 1971, 54, 2498. [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]
Johansson and Litzen, 1967
Johansson, I.; Litzen, U.,
The term systems of the neutral gallium and indium atorns derived from new measurements in the infrared region,
Ark. Fys., 1967, 34, 573. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy Tfus Fusion (melting) point Ttriple Triple point temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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