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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Gas phase thermochemistry data
Go To: Top, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 21.58 | kcal/mol | Review | Chase, 1998 | Data last reviewed in June, 1963 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 50.373 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1963 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 1200. | 1200. to 6000. |
---|---|---|
A | 5.696681 | 8.602221 |
B | 3.008791 | 0.228769 |
C | -0.272230 | -0.035380 |
D | -0.357901 | 0.002384 |
E | 0.051194 | -0.717994 |
F | 19.92300 | 17.47320 |
G | 56.67349 | 58.83411 |
H | 21.58010 | 21.58010 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in June, 1963 | Data last reviewed in June, 1963 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), 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 |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.0019 | 1400. | L | N/A | |
0.0019 | 1700. | Q | N/A | Only the tabulated data between T = 273. K and T = 303. K from missing citation was used to derive kH and -Δ kH/R. Above T = 303. K the tabulated data could not be parameterized by equation (reference missing) very well. The partial pressure of water vapor (needed to convert some Henry's law constants) was calculated using the formula given by missing citation. The quantities A and α from missing citation were assumed to be identical. |
0.0019 | C | N/A | ||
0.0019 | 1500. | L | N/A | |
0.0014 | M | N/A | ||
7.9×10-7 | 3800. | L | N/A |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Ion clustering data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 NO+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.2642 ± 0.00002 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 127.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 120.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference | Comment |
---|---|---|
125.75 ± 0.30 | Kuo, Zhang, et al., 1997 | T = 0K; Photoionization of HNO yields DHf(HNO+) from which PA(NO) is calculated at 0 K and 298K.; MM |
Ionization energy determinations
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
N+ | 19.56 | O- | PI | Erman, Karawajczyk, et al., 1995 | LL |
N+ | 21.02 | O | PI | Erman, Karawajczyk, et al., 1995 | LL |
N+ | 19.56 ± 0.03 | O- | PI | Oertel, Schenk, et al., 1980 | LLK |
N+ | 19.6 ± 0.2 | O- | EI | Locht and Momigny, 1971 | LLK |
N+ | 19.94 ± 0.14 | O- | EI | Hierl and Franklin, 1967 | RDSH |
N+ | 34.1 ± 0.7 | O+ | EI | Appell, Durup, et al., 1966 | RDSH |
N+ | 19.55 ± 0.04 | O- | EI | Cloutier and Schiff, 1959 | RDSH |
N+ | 21.11 ± 0.04 | O | EI | Cloutier and Schiff, 1959 | RDSH |
N4+ | 21.78 ± 0.11 | O | EI | Hierl and Franklin, 1967 | RDSH |
O+ | 20.12 | N | PI | Erman, Karawajczyk, et al., 1995 | LL |
O+ | 20.1 ± 0.3 | N | EI | Doong and Bizot, 1973 | LLK |
O+ | 20.46 ± 0.10 | N | EI | Hierl and Franklin, 1967 | RDSH |
O+ | 20.11 ± 0.03 | N | EI | Cloutier and Schiff, 1959 | RDSH |
Anion 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 |
Ion clustering data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering 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 |
ΔrH° | 13.6 | kcal/mol | PI | Ng, Tiedemann, et al., 1977 | gas phase |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.0 | 296. | SAMS | Puckett and Teague, 1971 | gas phase |
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 |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.9 | 296. | SAMS | Puckett and Teague, 1971 | gas phase |
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 |
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 |
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 |
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 |
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 |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 31 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Kuo, Zhang, et al., 1997
Kuo, S.C.; Zhang, Z.Y.; Ross, S.K.; Klemm, R.B.; Johnson, R.D.; Monks, P.S.; Thorn, R.P.; Stief, L.J.,
Discharge flow-photoionization mass spectrometric study of HNO: Phtoionization efficiency spectrum and ionization energy and proton affinity of NO,
J. Phys. Chem. A, 1997, 101, 4035. [all data]
Reiser, Habenicht, et al., 1988
Reiser, G.; Habenicht, W.; Muller-Dethlefs, K.; Schlag, E.W.,
The ionization energy of nitric oxide,
Chem. Phys. Lett., 1988, 152, 119. [all data]
Sander, Chewter, et al., 1987
Sander, N.; Chewter, L.A.; Muller-Dethlefs, K.; Schlag, E.W.,
High-resolution zero-kinetic-energy photoelectron spectroscopy of nitric oxide,
Phys. Rev. A:, 1987, 36, 4543. [all data]
Muller-Dethlefs, Sander, et al., 1984
Muller-Dethlefs, K.; Sander, M.; Schlag, E.W.,
Two-colour photoionization resonance spectroscopy of NO: Complete separation of rotational levels of NO+ + at the ionization threshold,
Chem. Phys. Lett., 1984, 112, 291. [all data]
Seaver, Chupka, et al., 1983
Seaver, M.; Chupka, W.A.; Colson, S.D.; Gauyacq, D.,
Double resonance multiphoton ionization studies of high Rydberg states in NO,
J. Phys. Chem., 1983, 87, 2226. [all data]
Ebata, Anezaki, et al., 1983
Ebata, T.; Anezaki, Y.; Fujii, M.; Mikami, N.; Ito, M.,
High Rydberg states of NO studied by two-color multiphoton spectroscopy,
J. Phys. Chem., 1983, 87, 4773. [all data]
Fantoni, Giardini-Guidoni, et al., 1982
Fantoni, R.; Giardini-Guidoni, A.; Tiribelli, R.,
(e,2e) Spectroscopy of valence states of the NO molecule,
J. Electron Spectrosc. Relat. Phenom., 1982, 26, 99. [all data]
Kim, Stephan, et al., 1981
Kim, Y.B.; Stephan, K.; Mark, E.; Mark, T.D.,
Single and double ionization of nitric oxide by electron impact from threshold up to 180 eV,
J. Chem. Phys., 1981, 74, 6771. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [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]
Miescher, 1976
Miescher, E.,
High resolution absorption spectrum of nitric oxide (NO) in the region of the first ionization limit,
Can. J. Phys., 1976, 54, 2074. [all data]
Natalis, 1973
Natalis, P.,
Contribution a la spectroscopie photoelectronique. Effets de l'autoionisation dans less spectres photoelectroniques de molecules diatomiques et triatomiques,
Acad. R. Belg. Mem. Cl. Sci. Collect. 8, 1973, 41, 1. [all data]
Edqvist, Asbrink, et al., 1971
Edqvist, O.; Asbrink, L.; Lindholm, E.,
On the photoelectron spectrum of NO,
Z. Naturforsch. A:, 1971, 26, 1407. [all data]
Collin, Delwiche, et al., 1971
Collin, J.E.; Delwiche, J.; Natalis, P.,
Energy levels of NO+ ion by He and Ar resonance lines photoelectron spectrometry,
Intern. J. Mass Spectrom. Ion Phys., 1971, 7, 19. [all data]
Hildenbrand, 1970
Hildenbrand, D.L.,
Electron impact studies of the IIA metal chlorides,
Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 75. [all data]
Cristy and Mamantov, 1970
Cristy, S.S.; Mamantov, G.,
Cryogenic mass spectrometry of reactive fluorine-containing species. I. The mass spectra of sulfur hexafluoride, chlorine trifluoride, chlorine monofluoride, nitrosyl fluoride and tetrafluorohydrazine,
Intern. J. Mass Spectrom. Ion Phys., 1970, 5, 309. [all data]
Peatman, Borne, et al., 1969
Peatman, W.B.; Borne, T.B.; Schlag, E.W.,
Photoionization resonance spectra. I. Nitric oxide and benzene,
Chem. Phys. Lett., 1969, 3, 492. [all data]
Jungen and Miescher, 1969
Jungen, C.; Miescher, E.,
Absorption spectrum of the NO molecule. IX. The structure of the f complexes, the ionization potential of NO, and the quadrupole moment of NO+,
Can. J. Phys., 1969, 47, 1769. [all data]
Cantone, Emma, et al., 1968
Cantone, B.; Emma, V.; Grasso, F.,
Fine structure near the ionization threshold of Kr, O2, and NO by electron impact,
Adv. Mass Spectrom., 1968, 4, 599. [all data]
Hierl and Franklin, 1967
Hierl, P.M.; Franklin, J.L.,
Appearance potentials and kinetic energies of ions from N2, CO, and NO,
J. Chem. Phys., 1967, 47, 3154. [all data]
Dressler and Miescher, 1965
Dressler, K.; Miescher, E.,
Absorption spectrum of the NO molecule. V. Survey of excited states and theirinteractions,
Astrophys. J., 1965, 141, 1266. [all data]
Nicholson, 1963
Nicholson, A.J.C.,
Photo-ionization efficiency curves. Measurement of ionization potentials and interpretation of fine structure,
J. Chem. Phys., 1963, 39, 954. [all data]
Huber, 1961
Huber, K.P.,
Die Rydberg-Serien im Absorptions-spektrum des NO-Molekuls,
Helv. Phys. Acta, 1961, 34, 929. [all data]
Watanabe, 1954
Watanabe, K.,
Photoionization and total absorption cross section of gases. I. Ionization potentials of several molecules. Cross sections of NH3 and NO,
J. Chem. Phys., 1954, 22, 1564. [all data]
Kibel and Nyberg, 1979
Kibel, M.H.; Nyberg, G.L.,
Angular distribution valence photoelectron spectra of nitric oxide,
J. Electron Spectrosc. Relat. Phenom., 1979, 17, 1. [all data]
Erman, Karawajczyk, et al., 1995
Erman, P.; Karawajczyk, A.; Rachlew-Kallne, E.; Stromholm, C.,
Photoionization and photodissociation of nitric oxide in the range 9-35 eV,
J. Chem. Phys., 1995, 102, 3064. [all data]
Oertel, Schenk, et al., 1980
Oertel, H.; Schenk, H.; Baumgartel, H.,
Ion pair formation from photon irradiation of O2, NO and CO in 17-30 eV,
Chem. Phys., 1980, 46, 251. [all data]
Locht and Momigny, 1971
Locht, R.; Momigny, J.,
Mass spectrometric study of ion-pair processes in diatomic molecules: H2, CO, NO and O2,
Int. J. Mass Spectrom. Ion Phys., 1971, 7, 121. [all data]
Appell, Durup, et al., 1966
Appell, J.; Durup, J.; Heitz, F.,
Sur le seuil d'apparition des ions fragments produits avec exces d'energie cinetique,
Advan. Mass Spectrom., 1966, 3, 457. [all data]
Cloutier and Schiff, 1959
Cloutier, G.G.; Schiff, H.I.,
Electron impact study of nitric oxide using a modified retarding potential difference method,
J. Chem. Phys., 1959, 31, 793. [all data]
Doong and Bizot, 1973
Doong, P.; Bizot, M.,
Dissociation uni- et bi-moleculaire des ions NO+,
Int. J. Mass Spectrom. Ion Phys., 1973, 10, 227. [all data]
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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy S°gas,1 bar Entropy of gas at standard conditions (1 bar) T Temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
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