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All results from a given calculation for CH3NO3 (Methyl nitrate)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-319.317458
Energy at 298.15K-319.323267
HF Energy-318.467207
Nuclear repulsion energy188.616629
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3227 3055 5.11      
2 A' 3115 2949 12.26      
3 A' 1849 1750 419.09      
4 A' 1549 1466 5.38      
5 A' 1517 1436 38.44      
6 A' 1413 1337 210.21      
7 A' 1231 1165 3.20      
8 A' 1103 1044 134.74      
9 A' 936 886 124.61      
10 A' 708 670 3.57      
11 A' 610 578 3.93      
12 A' 364 345 4.15      
13 A" 3212 3040 13.13      
14 A" 1530 1448 7.78      
15 A" 1200 1136 1.22      
16 A" 791 749 20.54      
17 A" 231 218 0.94      
18 A" 139 132 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 12361.5 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 11700.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G*
ABC
0.39515 0.15803 0.11539

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.613 0.000
O2 -1.212 0.582 0.000
O3 0.753 1.556 0.000
O4 0.673 -0.570 0.000
C5 -0.133 -1.770 0.000
H6 0.596 -2.579 0.000
H7 -0.754 -1.819 0.892
H8 -0.754 -1.819 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21241.20671.36052.38663.24672.69842.6984
O21.21242.19292.20892.58823.64142.60292.6029
O31.20672.19292.12713.44184.13753.80263.8026
O41.36052.20892.12711.44532.01042.09592.0959
C52.38662.58823.44181.44531.08821.08841.0884
H63.24673.64144.13752.01041.08821.78711.7871
H72.69842.60293.80262.09591.08841.78711.7845
H82.69842.60293.80262.09591.08841.78711.7845

picture of Methyl nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O4 C5 116.518 O2 N1 O3 130.052
O2 N1 O4 118.184 O3 N1 O4 111.763
O4 C5 H6 104.139 O4 C5 H7 110.842
O4 C5 H8 110.842 H6 C5 H7 110.383
H6 C5 H8 110.383 H7 C5 H8 110.121
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability