Nitric acid

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Gas phase thermochemistry data

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Vibrational and/or electronic energy levels, 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
Δfgas-134.31kJ/molReviewChase, 1998Data last reviewed in June, 1963
Quantity Value Units Method Reference Comment
gas,1 bar266.39J/mol*KReviewChase, 1998Data 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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1200.1200. - 6000.
A 19.6322997.45959
B 153.95995.429577
C -115.8378-1.029688
D 32.879550.067950
E -0.249114-12.29314
F -146.8818-192.4912
G 247.7049343.8051
H -134.3060-134.3060
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1963 Data last reviewed in June, 1963

Phase change data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Vibrational and/or electronic energy levels, 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 (kJ/mol) Temperature (K) Reference Comment
38.6312.Holeci, 1966Based on data from 273. - 356. K.

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Vibrational and/or electronic energy levels, 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
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

(NO3 anion • Nitric acid) + Nitric acid = (NO3 anion • 2Nitric acid)

By formula: (NO3- • HNO3) + HNO3 = (NO3- • 2HNO3)

Quantity Value Units Method Reference Comment
Δr76.6 ± 4.2kJ/molTDAsDavidson, Fehsenfeld, et al., 1977gas phase; B,M
Δr66.9 ± 3.3kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B,M
Δr77.0kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Δr74.1kJ/molHPMSLee, Keesee, et al., 1980gas phase; M
Δr83.7kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Δr92.5J/mol*KFADavidson, Fehsenfeld, et al., 1977gas phase; M
Δr100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Δr96.7J/mol*KHPMSWlodek, Luczynski, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr49.0 ± 9.2kJ/molTDAsDavidson, Fehsenfeld, et al., 1977gas phase; B,M
Δr37.7 ± 1.3kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
52.7233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
57.7250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

(NO3 anion • 2Nitric acid) + Nitric acid = (NO3 anion • 3Nitric acid)

By formula: (NO3- • 2HNO3) + HNO3 = (NO3- • 3HNO3)

Quantity Value Units Method Reference Comment
Δr67.4 ± 4.2kJ/molTDAsDavidson, Fehsenfeld, et al., 1977gas phase; B,M
Δr58.2 ± 5.9kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B,M
Δr66.9kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Δr66.9kJ/molHPMSLee, Keesee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Δr121.J/mol*KFADavidson, Fehsenfeld, et al., 1977gas phase; M
Δr112.J/mol*KHPMSWlodek, Luczynski, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr31. ± 9.2kJ/molTDAsDavidson, Fehsenfeld, et al., 1977gas phase; B
Δr24.7 ± 1.7kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B
Δr29.kJ/molFAFehsenfeld, Howard, et al., 1975gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
42.7233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

NO3 anion + Hydrogen cation = Nitric acid

By formula: NO3- + H+ = HNO3

Quantity Value Units Method Reference Comment
Δr1357.7 ± 0.84kJ/molTDEqDavidson, Fehsenfeld, et al., 1977gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE.; B
Δr1380. ± 20.kJ/molNBAEMathur, Rothe, et al., 1976gas phase; From HNO3; B
Δr1377. ± 24.kJ/molEndoRefaey and Franklin, 1976gas phase; I- + HNO3 ->.; B
Δr1357.7 ± 2.1kJ/molTDEqFerguson, Dunkin, et al., 1972gas phase; B
Δr1490.8kJ/molEndoBerkowitz, Chupka, et al., 1971gas phase; B
Quantity Value Units Method Reference Comment
Δr1329.7 ± 0.84kJ/molTDEqDavidson, Fehsenfeld, et al., 1977gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE.; B

(Bromine anion • Nitric acid) + Nitric acid = (Bromine anion • 2Nitric acid)

By formula: (Br- • HNO3) + HNO3 = (Br- • 2HNO3)

Quantity Value Units Method Reference Comment
Δr75.7kJ/molFADavidson, Fehsenfeld, et al., 1977gas phase; From thermochemical cycle(Br-/NO3- - HNO3/HBr), Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr98.7J/mol*KN/ADavidson, Fehsenfeld, et al., 1977gas phase; From thermochemical cycle(Br-/NO3- - HNO3/HBr), Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr46.4kJ/molFADavidson, Fehsenfeld, et al., 1977gas phase; From thermochemical cycle(Br-/NO3- - HNO3/HBr), Entropy change calculated or estimated; M

Bromine anion + Nitric acid = (Bromine anion • Nitric acid)

By formula: Br- + HNO3 = (Br- • HNO3)

Quantity Value Units Method Reference Comment
Δr83.7kJ/molFADavidson, Fehsenfeld, et al., 1977gas phase; From thermochemical cycle,switching reaction(Br-/NO3-HNO3/HBr), ΔrH>; M
Quantity Value Units Method Reference Comment
Δr77.4J/mol*KFADavidson, Fehsenfeld, et al., 1977gas phase; From thermochemical cycle,switching reaction(Br-/NO3-HNO3/HBr), ΔrH>; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
56.1367.FADavidson, Fehsenfeld, et al., 1977gas phase; From thermochemical cycle,switching reaction(Br-/NO3-HNO3/HBr), ΔrH>; M

(NO3 anion • Nitric acid) + Water = (NO3 anion • Water • Nitric acid)

By formula: (NO3- • HNO3) + H2O = (NO3- • H2O • HNO3)

Quantity Value Units Method Reference Comment
Δr54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
31.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- • 2Sulfuric Acid) + Nitric acid = (HO4S- • Nitric acid • 2Sulfuric Acid)

By formula: (HO4S- • 2H2O4S) + HNO3 = (HO4S- • HNO3 • 2H2O4S)

Quantity Value Units Method Reference Comment
Δr66.5kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
43.1233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- • 3Sulfuric Acid) + Nitric acid = (HO4S- • Nitric acid • 3Sulfuric Acid)

By formula: (HO4S- • 3H2O4S) + HNO3 = (HO4S- • HNO3 • 3H2O4S)

Quantity Value Units Method Reference Comment
Δr70.7kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
46.4233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- • Nitric acid) + HO3S = (HO4S- • HO3S • Nitric acid)

By formula: (HO4S- • HNO3) + HO3S = (HO4S- • HO3S • HNO3)

Quantity Value Units Method Reference Comment
Δr90.8kJ/molATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
64.9250.ATMArnold and Qiu, 1984gas phase; Entropy change calculated or estimated; M

(HO4S- • Nitric acid) + Water = (HO4S- • Water • Nitric acid)

By formula: (HO4S- • HNO3) + H2O = (HO4S- • H2O • HNO3)

Quantity Value Units Method Reference Comment
Δr54.4kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
30.233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(HO4S- • Nitric acid) + Nitric acid = (HO4S- • 2Nitric acid)

By formula: (HO4S- • HNO3) + HNO3 = (HO4S- • 2HNO3)

Quantity Value Units Method Reference Comment
Δr77.0kJ/molATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/AArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
52.7233.ATMArnold, Viggiano, et al., 1982gas phase; Entropy change calculated or estimated; M

(NO3 anion • 3Nitric acid) + Nitric acid = (NO3 anion • 4Nitric acid)

By formula: (NO3- • 3HNO3) + HNO3 = (NO3- • 4HNO3)

Quantity Value Units Method Reference Comment
Δr39. ± 5.4kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Δr83.3J/mol*KHPMSWlodek, Luczynski, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr13.4 ± 1.7kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B
Δr29. ± 4.2kJ/molIMREFehsenfeld, Howard, et al., 1975gas phase; B

(NO3 anion • Nitric acid) + Hydrogen bromide = (NO3 anion • Hydrogen bromide • Nitric acid)

By formula: (NO3- • HNO3) + HBr = (NO3- • HBr • HNO3)

Quantity Value Units Method Reference Comment
Δr66.9kJ/molFADavidson, Fehsenfeld, et al., 1977gas phase; switching reaction(NO3-)2HNO3; M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KFADavidson, Fehsenfeld, et al., 1977gas phase; switching reaction(NO3-)2HNO3; M
Quantity Value Units Method Reference Comment
Δr38.kJ/molFADavidson, Fehsenfeld, et al., 1977gas phase; switching reaction(NO3-)2HNO3; M

(NO3 anion • 5Nitric acid) + Nitric acid = (NO3 anion • 6Nitric acid)

By formula: (NO3- • 5HNO3) + HNO3 = (NO3- • 6HNO3)

Quantity Value Units Method Reference Comment
Δr19.2 ± 3.8kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Δr31.J/mol*KHPMSWlodek, Luczynski, et al., 1980gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.0 ± 2.9kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B

(NO3 anion • 4Nitric acid) + Nitric acid = (NO3 anion • 5Nitric acid)

By formula: (NO3- • 4HNO3) + HNO3 = (NO3- • 5HNO3)

Quantity Value Units Method Reference Comment
Δr31. ± 5.0kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Δr77.8J/mol*KHPMSWlodek, Luczynski, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr7.9 ± 4.2kJ/molTDAsWlodek, Luczynski, et al., 1980gas phase; B

(NO3 anion • Hydrogen bromide) + Nitric acid = (NO3 anion • Nitric acid • Hydrogen bromide)

By formula: (NO3- • HBr) + HNO3 = (NO3- • HNO3 • HBr)

Quantity Value Units Method Reference Comment
Δr66.9 ± 8.4kJ/molTDEqDavidson, Fehsenfeld, et al., 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr40. ± 12.kJ/molTDEqDavidson, Fehsenfeld, et al., 1977gas phase; B

1,2,3-Propanetriol, 1,3-dinitrate + Nitric acid = Nitroglycerin + Water

By formula: C3H6N2O7 + HNO3 = C3H5N3O9 + H2O

Quantity Value Units Method Reference Comment
Δr-6. ± 1.kJ/molEqkKazakov, Kirpichev, et al., 1990liquid phase; Heat of nitration; ALS
Δr-5. ± 1.kJ/molCmKazakov, Lagodzinskaya, et al., 1989liquid phase; ALS

Glycerin + Nitric acid = 1,2,3-Propanetriol, 1-nitrate + Water

By formula: C3H8O3 + HNO3 = C3H7NO5 + H2O

Quantity Value Units Method Reference Comment
Δr-19. ± 2.kJ/molEqkKazakov, Kirpichev, et al., 1990liquid phase; Heat of Nitration; ALS
Δr-10.0kJ/molCmTsvetkov, Sopin, et al., 1986liquid phase; ALS

NO3 anion + Nitric acid = (NO3 anion • Nitric acid)

By formula: NO3- + HNO3 = (NO3- • HNO3)

Quantity Value Units Method Reference Comment
Δr100.J/mol*KN/ADavidson, Fehsenfeld, et al., 1977gas phase; Entropy change calculated or estimated, DG>, ΔrH>; M

Sodium ion (1+) + Nitric acid = (Sodium ion (1+) • Nitric acid)

By formula: Na+ + HNO3 = (Na+ • HNO3)

Quantity Value Units Method Reference Comment
Δr86.2kJ/molFAPerry, Rowe, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr84.9J/mol*KFAPerry, Rowe, et al., 1980gas phase; M

Glycerol-2-nitrate + Nitric acid = Glycerol, 1,2-dinitrate + Water

By formula: C3H7NO5 + HNO3 = C3H6N2O7 + H2O

Quantity Value Units Method Reference Comment
Δr-15. ± 3.kJ/molEqkKazakov, Kirpichev, et al., 1990liquid phase; Heat of nitration; ALS

Glycerin + Nitric acid = Glycerol-2-nitrate + Water

By formula: C3H8O3 + HNO3 = C3H7NO5 + H2O

Quantity Value Units Method Reference Comment
Δr-10. ± 3.kJ/molEqkKazakov, Kirpichev, et al., 1990liquid phase; Heat of nitration; ALS

Glycerol, 1,2-dinitrate + Water = 1,2,3-Propanetriol, 1-nitrate + Nitric acid

By formula: C3H6N2O7 + H2O = C3H7NO5 + HNO3

Quantity Value Units Method Reference Comment
Δr7. ± 3.kJ/molEqkKazakov, Kirpichev, et al., 1990liquid phase; Heat of nitration; ALS

Glycerol, 1,2-dinitrate + Nitric acid = Nitroglycerin + Water

By formula: C3H6N2O7 + HNO3 = C3H5N3O9 + H2O

Quantity Value Units Method Reference Comment
Δr-10. ± 1.kJ/molEqkKazakov, Kirpichev, et al., 1990liquid phase; Heat of nitration; ALS

1,2,3-Propanetriol, 1-nitrate + 2Nitric acid = Nitroglycerin + 2Water

By formula: C3H7NO5 + 2HNO3 = C3H5N3O9 + 2H2O

Quantity Value Units Method Reference Comment
Δr-18. ± 1.kJ/molCmKazakov, Lagodzinskaya, et al., 1989liquid phase; ALS

Glycerin + 3Nitric acid = Nitroglycerin + 3Water

By formula: C3H8O3 + 3HNO3 = C3H5N3O9 + 3H2O

Quantity Value Units Method Reference Comment
Δr-36. ± 2.kJ/molCmKazakov, Lagodzinskaya, et al., 1989liquid phase; ALS

1,3-Propanediol, 2-(hydroxymethyl)- + Nitric acid = Ethanol, 2-(2-hydroxyethoxy)-, 1-nitrate + Water

By formula: C4H10O3 + HNO3 = C4H9NO5 + H2O

Quantity Value Units Method Reference Comment
Δr-11.3kJ/molCmTsvetkov, Sopin, et al., 1986liquid phase; ALS

Methyl nitrite + Nitric acid = 2Nitrogen dioxide + Methyl Alcohol

By formula: CH3NO2 + HNO3 = 2NO2 + CH4O

Quantity Value Units Method Reference Comment
Δr66.48kJ/molEqkSilverwood and Thomas, 1967gas phase; ALS

Acetic acid, trifluoro-, anhydride + Nitric acid = C2F3NO4 + Trifluoroacetic acid

By formula: C4F6O3 + HNO3 = C2F3NO4 + C2HF3O2

Quantity Value Units Method Reference Comment
Δr-27.6kJ/molCmTsvetkov, Shmakov, et al., 1989liquid phase; ALS

Pentaerythritol + Nitric acid = C5H11NO6 + Water

By formula: C5H12O4 + HNO3 = C5H11NO6 + H2O

Quantity Value Units Method Reference Comment
Δr-15.5kJ/molCmTsvetkov, Sopin, et al., 1986liquid phase; ALS

1,2-Ethanediol + Nitric acid = 2-hydroxyethyl nitrate + Water

By formula: C2H6O2 + HNO3 = C2H5NO4 + H2O

Quantity Value Units Method Reference Comment
Δr-7.9kJ/molCmTsvetkov, Sopin, et al., 1986liquid phase; ALS

Ethanol, 2,2'-oxybis- + Nitric acid = Ethanol, 2-(2-hydroxyethoxy)-, 1-nitrate + Water

By formula: C4H10O3 + HNO3 = C4H9NO5 + H2O

Quantity Value Units Method Reference Comment
Δr-8.8kJ/molCmTsvetkov, Sopin, et al., 1986liquid phase; ALS

Acetyl nitrate + Acetic acid = Acetic anhydride + Nitric acid

By formula: C2H3NO4 + C2H4O2 = C4H6O3 + HNO3

Quantity Value Units Method Reference Comment
Δr16.7kJ/molCmTsvetkov, Shmakov, et al., 1989liquid phase; ALS

Isopropyl Alcohol + Nitric acid = Nitric acid, 1-methylethyl ester + Water

By formula: C3H8O + HNO3 = C3H7NO3 + H2O

Quantity Value Units Method Reference Comment
Δr-23.4kJ/molEqkRubtsov, 1986liquid phase; ALS

Methyl Alcohol + Nitric acid = Methyl nitrate + Water

By formula: CH4O + HNO3 = CH3NO3 + H2O

Quantity Value Units Method Reference Comment
Δr-27.6kJ/molEqkRubtsov, 1986liquid phase; ALS

Ethanol + Nitric acid = Nitric acid, ethyl ester + Water

By formula: C2H6O + HNO3 = C2H5NO3 + H2O

Quantity Value Units Method Reference Comment
Δr-25.1kJ/molEqkRubtsov, 1986liquid phase; ALS

1-Propanol + Nitric acid = Nitric acid, propyl ester + Water

By formula: C3H8O + HNO3 = C3H7NO3 + H2O

Quantity Value Units Method Reference Comment
Δr-21.8kJ/molEqkRubtsov, 1986liquid phase; ALS

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References, Notes

Data compiled by: Tanya L. Myers, Russell G. Tonkyn, Ashley M. Oeck, Tyler O. Danby, John S. Loring, Matthew S. Taubman, Stephen W. Sharpe, Jerome C. Birnbaum, and Timothy J. Johnson


Vibrational and/or electronic energy levels

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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: Marilyn E. Jacox

State:   ?


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

Tx = 73500 gas Beddard, Giachardi, et al., 1974
Okabe, 1980

State:   ?


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

Tx = 54900 gas Beddard, Giachardi, et al., 1974
Okabe, 1980

State:   ?


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

Tx = 38500 gas Johnston and Graham, 1973
Biaume, 1973
Rattigan, Lutman, et al., 1992

State:   ?


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

Td = 30300 U gas Johnston and Graham, 1973
Biaume, 1973
Rattigan, Lutman, et al., 1992

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a' 1 OH stretch 3550.0 m gas IR McGraw, Bernitt, et al., 1965
1 OH stretch 3522.3 Ar IR Cheng, Lee, et al., 1991
1 OH stretch 3519.3 Ar IR Cheng, Lee, et al., 1991
1 OH stretch 3491.8 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
2 NO2 a-stretch 1709.57 vs gas IR DL McGraw, Bernitt, et al., 1965
Bair and Brockman, 1979
Maki and Wells, 1980
May, Webster, et al., 1987
2 NO2 a-stretch 1709.57 vs gas LS Kleiner, Godefroid, et al., 1987
Maki, 1988
Tan, Looi, et al., 1992
2 NO2 a-stretch 1699.4 Ar IR Cheng, Lee, et al., 1991
2 NO2 a-stretch 1696.2 Ar IR Cheng, Lee, et al., 1991
2 NO2 a-stretch 1698.3 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
3 Mixed 1325.74 s gas IR DL McGraw, Bernitt, et al., 1965
Webster, May, et al., 1985
Perrin, Lado-Bordowsky, et al., 1989
May and Webster, 1989
Perrin, Flaud, et al., 1993
Harwood, Jones, et al., 1993
3 Mixed 1321.4 Ar IR Cheng, Lee, et al., 1991
3 Mixed 1318.7 Ar IR Cheng, Lee, et al., 1991
3 Mixed 1346.1 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
4 Mixed 1303.52 vs gas IR DL McGraw, Bernitt, et al., 1965
Perrin, Lado-Bordowsky, et al., 1989
May and Webster, 1989
Perrin, Flaud, et al., 1993
Harwood, Jones, et al., 1993
4 Mixed 1304.4 Ar IR Cheng, Lee, et al., 1991
4 Mixed 1311.9 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
5 ON stretch 879.11 s gas IR DL McGraw, Bernitt, et al., 1965
Maki and Wells, 1984
Maki and Wells, 1992
Tan, Looi, et al., 1992, 2
Perrin, Jaouen, et al., 1993
Perrin, Flaud, et al., 1993
Harwood, Jones, et al., 1993
5 ON stretch 896.9 Ar IR McGraw, Bernitt, et al., 1965
5 ON stretch 889.5 Ar IR McGraw, Bernitt, et al., 1965
5 ON stretch 903.1 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
6 NO2 scissors 646.83 w gas IR McGraw, Bernitt, et al., 1965
Maki and Olson, 1989
Tan, Wang, et al., 1996
6 NO2 scissors 656.6 Ar IR Chen, Lo, et al., 1992
6 NO2 scissors 664.1 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
7 NO2 rock 580.30 w gas IR McGraw, Bernitt, et al., 1965
Maki and Olson, 1989
Looi, Tan, et al., 1996
7 NO2 rock 588.0 Ar IR Chen, Lo, et al., 1992
7 NO2 rock 597.5 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
a 8 ONO2 OPLA 763.15 s gas IR McGraw, Bernitt, et al., 1965
Maki and Olson, 1989
Looi, Tan, et al., 1996
Wang, Looi, et al., 1996
8 ONO2 OPLA 763.6 Ar IR Cheng, Lee, et al., 1991
8 ONO2 OPLA 767.7 N2 IR Guillory and Bernstein, 1975
Chen, Lo, et al., 1992
9 Torsion 458.23 m gas IR McGraw, Bernitt, et al., 1965
van der Veken, Pieters, et al., 1982
Goldman, Burkholder, et al., 1988
Sirota, Weber, et al., 1997
9 Torsion 479 N2 IR Guillory and Bernstein, 1975

Additional references: Jacox, 1994, page 271; Jacox, 1998, page 289; Jacox, 2003, page 274; Millen and Morton, 1960; Cox and Riveros, 1965; Johnston, Chang, et al., 1974; Cazzoli and De Lucia, 1979; Bowman, Helminger, et al., 1981; Ghosh, Blom, et al., 1981; Margitan and Watson, 1982; Messer, De Lucia, et al., 1984; Crownover, Booker, et al., 1988; Tan, Looi, et al., 1991; Tan, Looi, et al., 1991, 2; Turnipseed, Vaghjiani, et al., 1992; Maki, Tan, et al., 1993; Schiffman, Nelson, et al., 1993; Tan, Looi, et al., 1994; Cox, Ellis, et al., 1994; Chou, Petkie, et al., 2002; Petkie, Helminger, et al., 2003

Notes

wWeak
mMedium
sStrong
vsVery strong
UUpper bound
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.
dPhotodissociation threshold

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Petkie, Helminger, et al., 2003
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Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Vibrational and/or electronic energy levels, References