Nitrosyl hydride
- Formula: HNO
- Molecular weight: 31.0140
- IUPAC Standard InChI: InChI=1S/HNO/c1-2/h1H
- IUPAC Standard InChIKey: ODUCDPQEXGNKDN-UHFFFAOYSA-N
- CAS Registry Number: 14332-28-6
- Chemical structure:
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Reaction thermochemistry 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 361.27 ± 0.15 | kcal/mol | D-EA | Travers, Cowles, et al., 1989 | gas phase; ground state triplet anion |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 354.68 ± 0.34 | kcal/mol | H-TS | Travers, Cowles, et al., 1989 | gas phase; ground state triplet anion |
+
= (
•
)
By formula: F- + HNO = (F- • HNO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 33.0 ± 3.0 | kcal/mol | IMRB | Janaway, Zhong, et al., 1997 | gas phase; Actual structure probably HF..NO- |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
View reactions leading to HNO+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.338 ± 0.015 | LPES | Ellis and Ellison, 1983 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.1 | DER | Lias, Bartmess, et al., 1988 | LL |
De-protonation reactions
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 361.27 ± 0.15 | kcal/mol | D-EA | Travers, Cowles, et al., 1989 | gas phase; ground state triplet anion; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 354.68 ± 0.34 | kcal/mol | H-TS | Travers, Cowles, et al., 1989 | gas phase; ground state triplet anion; B |
References
Go To: Top, Reaction thermochemistry 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.
Travers, Cowles, et al., 1989
Travers, M.J.; Cowles, D.C.; Ellison, G.B.,
Reinvestigation of the Electron Affinities of O2 and NO,
Chem. Phys. Lett., 1989, 164, 5, 449, https://doi.org/10.1016/0009-2614(89)85237-6
. [all data]
Janaway, Zhong, et al., 1997
Janaway, G.A.; Zhong, M.; Gatev, G.G.; Chabinyc, M.L.; Brauman, J.I.,
[FHNO]-: An Intermediate in a Spin-Forbidden Proton Transfer Reaction,
J. Am. Chem. Soc., 1997, 119, 48, 11697, https://doi.org/10.1021/ja9726872
. [all data]
Ellis and Ellison, 1983
Ellis, H.B., Jr.; Ellison, G.B.,
Photoelectron spectroscopy of HNO- and DNO-,
J. Chem. Phys., 1983, 78, 6541. [all data]
Lias, Bartmess, et al., 1988
Lias, S.G.; Bartmess, J.E.; Liebman, J.F.; Holmes, J.L.; Levin, R.D.; Mallard, W.G.,
Gas-phase ion and neutral thermochemistry,
J. Phys. Chem. Ref. Data, Suppl. 1, 1988, 17, 1-861. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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