Nitric oxide
- Formula: NO
- Molecular weight: 30.0061
- IUPAC Standard InChI: InChI=1S/NO/c1-2
- IUPAC Standard InChIKey: MWUXSHHQAYIFBG-UHFFFAOYSA-N
- CAS Registry Number: 10102-43-9
- 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. - Other names: Nitrogen oxide; Nitrogen monoxide; Nitrosyl radical; NO; Amidogen, oxo-; Nitrogen oxide (NO); UN 1660
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Reaction thermochemistry 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 compiled as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
+
= (
•
)
By formula: NO- + NO = (NO- • NO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13.8 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase; M |
| ΔrH° | 13.6 | kcal/mol | PI | Ng, Tiedemann, et al., 1977 | gas phase; M |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 7.0 | 296. | SAMS | Puckett and Teague, 1971 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (NO- • NO) + NO = (NO- • 2NO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.4 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase; M |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 1.9 | 296. | SAMS | Puckett and Teague, 1971 | gas phase; M |
( •
) +
= (
• 2
)
By formula: (Ni+ • NO) + NO = (Ni+ • 2NO)
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 27.4 (+1.2,-0.) | CID | Khan, Steele, et al., 1995 | gas phase; guided ion beam CID; M |
+
= (
•
)
By formula: Ni+ + NO = (Ni+ • NO)
Enthalpy of reaction
| ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 29.3 (+1.6,-0.) | CID | Khan, Steele, et al., 1995 | gas phase; guided ion beam CID; M |
( • 2
) +
= (
• 3
)
By formula: (NO- • 2NO) + NO = (NO- • 3NO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.7 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase; M |
( • 3
) +
= (
• 4
)
By formula: (NO- • 3NO) + NO = (NO- • 4NO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.5 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase; M |
( • 4
) +
= (
• 5
)
By formula: (NO- • 4NO) + NO = (NO- • 5NO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.3 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase; M |
=
+
By formula: C2H5NO2 = NO + C2H5O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 37.7 | kcal/mol | Kin | Rebbert and Laidler, 1952 | gas phase; ALS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Linn, Ono, et al., 1981
Linn, S.H.; Ono, Y.; Ng, C.Y.,
Molecular Beam Photoionization Study of CO, N2, and NO Dimers and Clusters,
J. Chem. Phys., 1981, 74, 6, 3342, https://doi.org/10.1063/1.441486
. [all data]
Ng, Tiedemann, et al., 1977
Ng, C.Y.; Tiedemann, P.W.; Mahan, B.H.; Lee, Y.T.,
The Binding Energy between NO and NO+,
J. Chem. Phys., 1977, 66, 9, 3985, https://doi.org/10.1063/1.434450
. [all data]
Puckett and Teague, 1971
Puckett, L.J.; Teague, A.W.,
Production of H3O+.nH2O from NO+ Precursor in NO - H2O Gas Mixtures,
J. Chem. Phys., 1971, 54, 6, 2564, https://doi.org/10.1063/1.1675213
. [all data]
Khan, Steele, et al., 1995
Khan, F.A.; Steele, D.L.; Armentrout, P.B.,
Ligand effects in organometallic thermochemistry: The sequential bond energies of Ni(CO)x+ and Ni(N2)x+ (x = 1-4) and Ni(NO)x+ (x = 1-3) [Data derived from reported bond energies taking value of 8.273±0.046 eV for IE[Ni(CO)4]],
J. Phys. Chem., 1995, 99, 7819. [all data]
Rebbert and Laidler, 1952
Rebbert, R.E.; Laidler, K.J.,
Kinetics of the decomposition of diethyl peroxide,
J. Chem. Phys., 1952, 20, 574-577. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature 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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