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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 |
|---|
| Methane, nitro-; Nitrocarbol; Nitrometan; Nitromethane; |
| INChI | INChIKey | SMILES | IUPAC name |
|---|---|---|---|
| InChI=1S/CH3NO2/c1-2(3)4/h1H3 | LYGJENNIWJXYER-UHFFFAOYSA-N | C[N](=O)=O | Nitromethane |
| State | Conformation |
|---|---|
| 1A' | CS Os out of place |
| Property | Value | Uncertainty | units | Reference | Comment |
|---|---|---|---|---|---|
Hfg(298.15K) ![]() |
-71.50 | 0.40 | kJ mol-1 | 2014Ver/Eme:163-170 | |
Hfg(0K) ![]() |
0.40 | kJ mol-1 | 2014Ver/Eme:163-170 | ||
Entropy (298.15K) ![]() |
275.20 | J K-1 mol-1 | TRC | ||
Integrated Heat Capacity (0 to 298.15K) ![]() |
12.90 | kJ mol-1 | TRC |
| Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
|---|---|---|---|---|---|---|---|---|---|
| Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
| 1 | A' | 3045 | 1993Gor/Cav:4262 | ||||||
| 2 | A' | 2974 | 1993Gor/Cav:4262 | ||||||
| 3 | A' | 1397 | 1993Gor/Cav:4262 | ||||||
| 4 | A' | 1434 | 1993Gor/Cav:4262 | ||||||
| 5 | A' | 1380 | 1993Gor/Cav:4262 | ||||||
| 6 | A' | 1131 | 1993Gor/Cav:4262 | ||||||
| 7 | A' | 918 | 1993Gor/Cav:4262 | ||||||
| 8 | A' | 657 | 1993Gor/Cav:4262 | ||||||
| 9 | A' | 603 | 1993Gor/Cav:4262 | ||||||
| 10 | A" | 3080 | 1993Gor/Cav:4262 | ||||||
| 11 | A" | 1583 | 1993Gor/Cav:4262 | ||||||
| 12 | A" | 1410 | 1993Gor/Cav:4262 | ||||||
| 13 | A" | 1096 | 1993Gor/Cav:4262 | ||||||
| 14 | A" | 475 | 1993Gor/Cav:4262 | ||||||
| 15 | A" | internal rotation, almost free rotor | |||||||
| A | B | C | reference | comment |
|---|---|---|---|---|
| 0.44504 | 0.35172 | 0.19599 | 1975Roh:301 |
Product of moments of inertia ![]() | ||||
|---|---|---|---|---|
| 156152.8 | amu3Å6 | 7.15019213065875E-115 | gm3 cm6 | |
Point Group Cs
| Description | Value | unc. | Connectivity | Reference | Comment | |||
|---|---|---|---|---|---|---|---|---|
| Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
| rCH | 1.088 | 1 | 3 | 1976Hellwege(II/7) | !assumed | |||
| rCN | 1.489 | 1 | 2 | 1976Hellwege(II/7) | ||||
| rNO | 1.224 | 2 | 6 | 1976Hellwege(II/7) | ||||
| aHCN | 107.2 | 2 | 1 | 3 | 1976Hellwege(II/7) | |||
| aONO | 125.3 | 6 | 2 | 7 | 1976Hellwege(II/7) | |||
| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| C1 | 1.4008 | 0.0000 | 0.0000 |
| N2 | -0.0878 | 0.0000 | 0.0000 |
| H3 | 1.7215 | -1.0392 | 0.0000 |
| H4 | 1.7215 | 0.5196 | 0.9000 |
| H5 | 1.7215 | 0.5196 | -0.9000 |
| O6 | -0.6498 | 1.0874 | 0.0000 |
| O7 | -0.6498 | -1.0874 | 0.0000 |
| C1 | N2 | H3 | H4 | H5 | O6 | O7 | |
|---|---|---|---|---|---|---|---|
| C1 | 1.4886 | 1.0876 | 1.0876 | 1.0876 | 2.3211 | 2.3211 | |
| N2 | 1.4886 | 2.0865 | 2.0865 | 2.0865 | 1.2240 | 1.2240 | |
| H3 | 1.0876 | 2.0865 | 1.8000 | 1.8000 | 3.1852 | 2.3718 | |
| H4 | 1.0876 | 2.0865 | 1.8000 | 1.8000 | 2.5991 | 3.0026 | |
| H5 | 1.0876 | 2.0865 | 1.8000 | 1.8000 | 2.5991 | 3.0026 | |
| O6 | 2.3211 | 1.2240 | 3.1852 | 2.5991 | 2.5991 | 2.1748 | |
| O7 | 2.3211 | 1.2240 | 2.3718 | 3.0026 | 3.0026 | 2.1748 |
Experimental Bond Angles (degrees) from cartesians
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| C1 | N2 | O6 | 117.331 | C1 | N2 | O7 | 117.331 | |
| N2 | C1 | H3 | 107.150 | N2 | C1 | H4 | 107.150 | |
| N2 | C1 | H5 | 107.150 | H3 | C1 | H4 | 111.689 | |
| H3 | C1 | H5 | 111.689 | H4 | C1 | H5 | 111.691 | |
| O6 | N2 | O7 | 125.338 |
Bond descriptions
| Bond Type | Count |
|---|---|
| H-C | 3 |
| C-N | 1 |
| N=O | 2 |
| Atom 1 | Atom 2 |
|---|---|
| C1 | N2 |
| C1 | H3 |
| C1 | H4 |
| C1 | H5 |
| N2 | O6 |
| N2 | O7 |
| Energy (cm-1) | Degeneracy | reference | description |
|---|---|---|---|
| 0 | 1 | 1A' |
| Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
|---|---|---|---|---|
| 11.080 | 0.040 | 11.290 | webbook |
| Electron Affinity | unc. | reference |
|---|---|---|
| 0.172 | 0.006 | webbook |
| State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x | y | z | total | dipole | quadrupole | ||||||||
| 1 | 1 | 1A' | CS Os out of place | True | 3.460 | NSRDS-NBS10 | MW | Cs | 2 | 3 | |||
| 1 | 2 | 1A' | CS Os in plane | False | Cs | 2 | 3 | ||||||
| alpha | unc. | Reference |
|---|---|---|
| 4.800 | 1998Gus/Rui:163 |
| squib | reference | DOI |
|---|---|---|
| 1975Roh:301 | F Rohart "Microwave Spectrum of Nitromethane Internal Rotation Hamiltonian in the Low Barrier Case" J. Mol. Spect. 57, 301-311 (1975) | 10.1016/0022-2852(75)90033-8 |
| 1976Hellwege(II/7) | Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976. | |
| 1993Gor/Cav:4262 | D Gorse, D Cavagnat, M Pesquer, C Lapouge "THEORETICAL AND SPECTROSCOPIC STUDY OF ASYMMETRIC METHYL ROTOR DYNAMICS IN GASEOUS PARTIALLY DEUTERATED NITROMETHANES" J. Phys. Chem. 97(17) 4262-4269, 1993 | 10.1021/j100119a005 |
| 1998Gus/Rui:163 | M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 | 10.1016/S0022-2860(97)00292-5 |
| 2014Ver/Eme:163-170 | SP Verekin, VN Emel'yanenko, V Diky, OV Dorofeeva "Enthalpies of formation of nitromethane and nitrobenzene: New experiments vs. quantum chemical calculations" J. Chem. Thermodynamics 73 (2014) 163–170 | 10.1016/j.jct.2013.12.013 |
| 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 |
| TRC | Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994 | |
| webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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