Nitric oxide
- Formula: NO
- Molecular weight: 30.0061
- 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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Phase change 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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference |
---|---|---|---|
3.30 | 212. | C | Johnston and Giauque, 1929 |
Reaction thermochemistry 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:
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 |
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 |
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 |
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 |
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 |
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, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Johnston and Giauque, 1929
Johnston, H.L.; Giauque, W.F.,
THE HEAT CAPACITY OF NITRIC OXIDE FROM 14°K. TO THE BOILING POINT AND THE HEAT OF VAPORIZATION. VAPOR PRESSURES OF SOLID AND LIQUID PHASES. THE ENTROPY FROM SPECTROSCOPIC DATA,
J. Am. Chem. Soc., 1929, 51, 11, 3194-3214, https://doi.org/10.1021/ja01386a004
. [all data]
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, Phase change data, 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 ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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