(2H3)ammonia
- Formula: D3N
- Molecular weight: 20.0490
- CAS Registry Number: 13550-49-7
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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 | 199. | K | N/A | Taylor and Jungers, 1933 | Uncertainty assigned by TRC = 0.5 K |
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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.083 ± 0.010 | PI | Locht, Leyh, et al., 1991 | LL |
10.21 | PE | Potts and Price, 1972 | LLK |
14.94 ± 0.03 | PE | Weiss and Lawrence, 1970 | RDSH |
10.18 ± 0.01 | PE | Weiss and Lawrence, 1970 | RDSH |
10.17 | PE | Branton, Frost, et al., 1969 | RDSH |
15.15 | PE | Branton, Frost, et al., 1969 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
D2N+ | 15.72 ± 0.04 | D | EI | Locht, Servais, et al., 1988 | LL |
D2N+ | 15.90 ± 0.015 | D | PIPECO | Powis, 1982 | LBLHLM |
D2N+ | 15.89 ± 0.01 | D | PI | McCulloh, 1976 | LLK |
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.
Taylor and Jungers, 1933
Taylor, H.S.; Jungers, J.C.,
The Deuteroammonias,
J. Am. Chem. Soc., 1933, 55, 5057-8. [all data]
Locht, Leyh, et al., 1991
Locht, R.; Leyh, B.; Denzer, W.; Hagenow, G.; Baumgartel, H.,
The photoionization of ammonia revisited. The vibrational autoionization of NH3 and its three isotopomers in the 10-12 eV photon energy range,
Chem. Phys., 1991, 155, 407. [all data]
Potts and Price, 1972
Potts, A.W.; Price, W.C.,
Photoelectron spectra and valence shell orbital structures of groups V VI hydrides,
Proc. R. Soc. London A:, 1972, 326, 181. [all data]
Weiss and Lawrence, 1970
Weiss, M.J.; Lawrence, G.M.,
Photoelectron spectroscopy of NH3 and ND3 using molecular beams,
J. Chem. Phys., 1970, 53, 214. [all data]
Branton, Frost, et al., 1969
Branton, G.R.; Frost, D.C.; Herring, F.G.; McDowell, C.A.; Stenhouse, I.A.,
The ionization potentials of ammonia and ammonia-d3, measured by photoelectron spectroscopy, and an INDO calculation of these values,
Chem. Phys. Lett., 1969, 3, 581. [all data]
Locht, Servais, et al., 1988
Locht, R.; Servais, C.; Ligot, M.; Derwa, F.; Momigny, J.,
The dissociative electroionization of ammonia and ammonia-d3. I. The NH+ and NH2+ dissociation channels,
Chem. Phys., 1988, 123, 443. [all data]
Powis, 1982
Powis, I.,
Energy disposal in the rotational pre-dissociation of ND3,
Chem. Phys., 1982, 68, 251. [all data]
McCulloh, 1976
McCulloh, K.E.,
Energetics and mechanisms of fragment ion formation in the photoionization of normal and deuterated water and ammonia,
Int. J. Mass Spectrom. Ion Phys., 1976, 21, 333. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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