return to home page 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

Experimental data for CH3NO3 (Methyl nitrate)

22 02 02 11 45
Other names
Methyl nitrate; Methylester kyseliny dusicne; Nitric acid, methyl ester;
INChI INChIKey SMILES IUPAC name
InChI=1S/CH3NO3/c1-5-2(3)4/h1H3 LRMHVVPPGGOAJQ-UHFFFAOYSA-N O=[N+]([O-])OC Methyl nitrate
State Conformation
1A' CS
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -122.00 1.00 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   1.00 kJ mol-1 webbook
Entropy (298.15K) entropy     J K-1 mol-1  
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity     kJ mol-1  
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A' 3008   1985Boc/Kra:69      
2 A' 2941   1985Boc/Kra:69      
3 A' 1678   1985Boc/Kra:69      
4 A' 1468   1985Boc/Kra:69      
5 A' 1430   1985Boc/Kra:69      
6 A' 1287   1985Boc/Kra:69      
7 A' 1176   1985Boc/Kra:69      
8 A' 1017   1985Boc/Kra:69      
9 A' 854   1985Boc/Kra:69      
10 A' 657   1985Boc/Kra:69      
11 A' 578   1985Boc/Kra:69      
12 A' 340   1985Boc/Kra:69      
13 A" 3008   1985Boc/Kra:69      
14 A" 1455   1985Boc/Kra:69      
15 A" 1136   1985Boc/Kra:69      
16 A" 758   1985Boc/Kra:69      
17 A"            
18 A"            

vibrational zero-point energy: 11395.5 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CH3NO3 (Methyl nitrate).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.39344 0.15703 0.11469 1961Dix/Wil:191

Calculated rotational constants for CH3NO3 (Methyl nitrate).
Product of moments of inertia moments of inertia
676109.1amu3Å6   3.09588446613375E-114gm3 cm6
Geometric Data
picture of Methyl nitrate

Point Group Cs


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCH 1.095   5 8 1976Hellwege(II/7) out of plane H
rCH 1.088   5 6 1976Hellwege(II/7) in plane H
rCO 1.437   4 5 1976Hellwege(II/7)
rNO 1.402   1 4 1976Hellwege(II/7) from O with C
rNO 1.205   1 2 1976Hellwege(II/7)
rNO 1.208   1 3 1976Hellwege(II/7)
aHCO 110.4 4 5 8 1976Hellwege(II/7) to out of plane H
aHCO 103.4 4 5 6 1976Hellwege(II/7) to in plane H
aCON 112.72 1 4 5 1976Hellwege(II/7)
aONO 118.1 0.3 2 1 4 1976Hellwege(II/7)
aONO 112.38 0.3 3 1 4 1976Hellwege(II/7)
aONO 129.52 0.3 2 1 3 1976Hellwege(II/7)

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CH3NO3 (Methyl nitrate).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 3
C-O 1
N-O 1
N=O 2

Connectivity
Atom 1 Atom 2
N1 O2
N1 O3
N1 O4
O4 C5
C5 H6
C5 H7
C5 H8
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
11.530 0.010     webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
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 True       3.081 1974Hel/Hel(II/6) μa=3.072± 0.012, μb=0.235± 0.015, μ = 3.081± 0.013 Cs 2 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH3NO3 (Methyl nitrate).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A' Cs True       Cs 2 3

Calculated electric quadrupole moments for CH3NO3 (Methyl nitrate).

References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].
squib reference DOI
1961Dix/Wil:191 Dixon, W.; Wilson, E. "Microwave Spectrum of Methyl Nitrate." Journal of Chemical Physics. 35, 191-198 (1961) 10.1063/1.1731890
1974Hel/Hel(II/6) Hellwege, KH and AM Hellwege (eds.). Landolt-Bornstein: Group II: Volume 6 Molecular Constants from Microwave, Molecular Beam, and Electron Spin Resonance Spectroscopy Springer-Verlag. Berlin. 1974. 10.1007/b19951 
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.  
1985Boc/Kra:69 Bock, Krasnoshchiokov, Khristenko, Panchenko, and Pentin. Ab Initio Analysis of Structure and Vibrational Spectrum of Methyl Nitrate. Chem. Phys. Vol. 106. pgs. 69-73. 10.1016/0301-0104(86)87039-2
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

Got a better number? Please email us at [email protected]


Browse
PreviousNext