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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
You are here: Experimental > One molecule all properties |
Other names |
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Azote; Azoto; NA 1067; Nitrito; Nitro; Nitrogen dioxide; Nitrogen oxide; Nitrogen oxide (NO2); Nitrogen peroxide; Stickstoffdioxid; Stikstofdioxyde; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/NO2/c2-1-3 | JCXJVPUVTGWSNB-UHFFFAOYSA-N | O=N=O | Nitrogen dioxide |
State | Conformation |
---|---|
2A1 | C2V |
Property | Value | Uncertainty | units | Reference | Comment |
---|---|---|---|---|---|
Hfg(298.15K) ![]() |
33.97 | 0.08 | kJ mol-1 | 2006Rus/Pin:6592 | |
Hfg(0K) ![]() |
36.78 | 0.08 | kJ mol-1 | 2006Rus/Pin:6592 | |
Entropy (298.15K) ![]() |
240.17 | J K-1 mol-1 | Gurvich | ||
Integrated Heat Capacity (0 to 298.15K) ![]() |
10.19 | kJ mol-1 | Gurvich | ||
Heat Capacity (298.15K) ![]() |
37.18 | J K-1 mol-1 | Gurvich |
Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
---|---|---|---|---|---|---|---|---|---|
Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
1 | A1 | 1318 | 1358 | Shim | NO2 s-stretch | ||||
2 | A1 | 750 | 757 | Shim | bend | ||||
3 | B2 | 1618 | 1666 | 1974sve/kov | NO2 a-stretch |
A | B | C | reference | comment |
---|---|---|---|---|
8.00120 | 0.43364 | 0.41040 | 1966Herzberg |
Product of moments of inertia ![]() | ||||
---|---|---|---|---|
3364.324 | amu3Å6 | 1.5405144160752E-116 | gm3 cm6 |
Point Group C2v
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
rNO | 1.193 | 1 | 2 | 1966Herzberg | ||||
aONO | 134.1 | 2 | 1 | 3 | 1966Herzberg |
Atom | x (Å) | y (Å) | z (Å) |
---|---|---|---|
N1 | 0.0000 | 0.0000 | 0.0000 |
O2 | 0.0000 | 1.0989 | 0.4653 |
O3 | 0.0000 | -1.0989 | 0.4653 |
N1 | O2 | O3 | |
---|---|---|---|
N1 | 1.1934 | 1.1934 | |
O2 | 1.1934 | 2.1979 | |
O3 | 1.1934 | 2.1979 |
Experimental Bond Angles (degrees) from cartesians
atom1 | atom2 | atom3 | angle |
---|---|---|---|
O2 | N1 | O3 | 134.100 |
Bond descriptions
Bond Type | Count |
---|---|
N=O | 2 |
Atom 1 | Atom 2 |
---|---|
N1 | O2 |
N1 | O3 |
Energy (cm-1) | Degeneracy | reference | description |
---|---|---|---|
0 | 2 | 2A1 | |
15000 | 2 |
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
9.586 | 0.002 | 11.230 | webbook |
Electron Affinity | unc. | reference |
---|---|---|
2.273 | 0.005 | webbook |
Proton Affinity | unc. | Product | reference | comment |
---|---|---|---|---|
591.0 | HNO2+ | webbook |
State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
x | y | z | total | dipole | quadrupole | ||||||||
1 | 1 | 2A1 | C2v | True | 0.316 | NSRDS-NBS10 | MW | C2v | 1 | 2 |
State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
xx | yy | zz | dipole | quadrupole | ||||||||
1 | 1 | 2A1 | C2v | True | C2v | 1 | 2 |
alpha | unc. | Reference |
---|---|---|
2.910 | 1997Oln/Can:59 |
squib | reference | DOI |
---|---|---|
1966Herzberg | Herzberg, G., Electronic spectra and electronic structure of polyatomic molecules,Van Nostrand,New York, 1966 | |
1974sve/kov | L.M. Sverdlov, M. A. Kovner, E. P. Krainov, "Vibrational Spectra of Polyatomic Molecules" Wiley, New York 1974 | |
1997Oln/Can:59 | TN Olney, NM Cann, G Cooper, CE Brion, Absolute scale determination for photoabsorption spectra and the calculation of molecular properties using dipole sum-rules, Chem. Phys. 223 (1997) 59-98 | 10.1016/S0301-0104(97)00145-6 |
2006Rus/Pin:6592 | B Ruscic, RE Pinzon, ML Morton, NK Srinivasan, M-C Su, JW Sutherland, JV Michael "Active Thermochemical Tables: Accurate Enthalpy of Formation of Hydroperoxyl Radical, HO2" J. Phys. Chem. A 2006, 110, 6592-6601 | 10.1021/jp056311j |
Gurvich | Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989 | |
NSRDS-NBS10 | R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 | 10.6028/NBS.NSRDS.10 |
Shim | Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu | 10.6028/NBS.NSRDS.39 |
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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