Deuterium
- Formula: D2
- Molecular weight: 4.0282035556
- IUPAC Standard InChIKey: UFHFLCQGNIYNRP-VVKOMZTBSA-N
- CAS Registry Number: 7782-39-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: D2; UN 1957
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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 |
---|---|---|---|---|---|
Ttriple | 18.73 | K | N/A | McConville and Pavese, 1988 | Uncertainty assigned by TRC = 0.0005 K; for normal D2 Temp. on IPTS-678, reproducible to 0.0002 K |
Ttriple | 18.69 | K | N/A | McConville and Pavese, 1988 | Uncertainty assigned by TRC = 0.0005 K; for equilibrium D2 Temp. on IPTS-678, reproducible to 0.0002 K |
Ttriple | 18.65 | K | N/A | Clusius and Weigand, 1940 | Uncertainty assigned by TRC = 0.2 K; see property X for dP/dT for c-l equil. |
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 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 D2+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
15.46658 | EVAL | Shiner, Gilligan, et al., 1993 | LL |
15.4666 ± 0.0001 | EVAL | Huber and Herzberg, 1979 | LLK |
15.4667 ± 0.0001 | S | Takezawa and Tanaka, 1975 | LLK |
15.43 ± 0.01 | EI | Lossing and Semeluk, 1969 | RDSH |
15.468 ± 0.022 | TE | Villarejo, 1968 | RDSH |
15.47 | PE | Spohr and Puttkamer, 1967 | RDSH |
15.46 ± 0.01 | PI | Dibeler, Reese, et al., 1965 | RDSH |
15.5 | EI | Briglia and Rapp, 1965 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
D+ | 25.3 ± 0.2 | D | EI | Olmsted, Street, et al., 1964 | 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.
McConville and Pavese, 1988
McConville, G.T.; Pavese, F.,
Physicochemical problems involved in measuring thermodynamic properties of normal and equilibrium deuterium at the triple point,
J. Chem. Thermodyn., 1988, 20, 337. [all data]
Clusius and Weigand, 1940
Clusius, K.; Weigand, K.,
Melting Curves of the Gases A, Kr, Xe, CH4, CH3D, CD4, C2H4, C2H6, COS, and PH3 to 200 Atmospheres Pressure. The Chane of Volume on Melting,
Z. Phys. Chem., Abt. B, 1940, 46, 1-37. [all data]
Shiner, Gilligan, et al., 1993
Shiner, D.; Gilligan, J.M.; Cook, B.M.; Lichten, W.,
H2, D2, and HD ionization potentials by accurate calibration of several iodine lines,
Phys. Rev. A, 1993, 47, 4042. [all data]
Huber and Herzberg, 1979
Huber, K.P.; Herzberg, G.,
Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules,, Van Nostrand Reinhold Co., 1979, ,1. [all data]
Takezawa and Tanaka, 1975
Takezawa, S.; Tanaka, Y.,
The absorption spectrum of D2 in the vacuum-uv region, Rydberg bands, noσ1Σu+←X1Σg+ and npπ1π←X1Σg+ with n=4-6, and the ionization energy,
J. Mol. Spectrosc., 1975, 54, 379. [all data]
Lossing and Semeluk, 1969
Lossing, F.P.; Semeluk, G.P.,
Threshold ionization efficiency curves for monoenergetic electron impact on H2, D2, CH4 and CD4,
Intern. J. Mass Spectrom. Ion Phys., 1969, 2, 408. [all data]
Villarejo, 1968
Villarejo, D.,
Measurement of threshold electrons in the photoionization of H2 and D2,
J. Chem. Phys., 1968, 48, 4014. [all data]
Spohr and Puttkamer, 1967
Spohr, R.; Puttkamer, E.v.,
Energiemessung von Photoelektronen und Franck-Condon-Faktoren der Schwingungsubergange einiger Molekulionen,
Z. Naturforsch., 1967, 22a, 705. [all data]
Dibeler, Reese, et al., 1965
Dibeler, V.H.; Reese, R.M.; Krauss, M.,
Massspectrometric study of photoionization. II. H2, HD, and D2,
J. Chem. Phys., 1965, 42, 2045. [all data]
Briglia and Rapp, 1965
Briglia, D.D.; Rapp, D.,
Ionization of the hydrogen molecule by electron impact near threshold,
Phys. Rev. Letters, 1965, 14, 245. [all data]
Olmsted, Street, et al., 1964
Olmsted, J., III; Street, K., Jr.; Newton, A.S.,
Excess-kinetic-energy ions in organic mass spectra,
J. Chem. Phys., 1964, 40, 2114. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Ttriple Triple point temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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