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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-319.326275
Energy at 298.15K-319.332108
HF Energy-318.468431
Nuclear repulsion energy189.125489
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 MP3=FULL/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' 3253 3053 4.41      
2 A' 3140 2947 11.22      
3 A' 1864 1749 424.41      
4 A' 1558 1462 5.07      
5 A' 1527 1433 43.41      
6 A' 1428 1340 203.61      
7 A' 1240 1163 3.21      
8 A' 1114 1046 137.83      
9 A' 951 892 117.26      
10 A' 715 671 2.75      
11 A' 616 578 4.67      
12 A' 367 345 4.34      
13 A" 3236 3036 11.79      
14 A" 1538 1444 8.34      
15 A" 1209 1134 1.18      
16 A" 796 747 20.65      
17 A" 232 218 0.89      
18 A" 140 132 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 12463.1 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 11694.2 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 MP3=FULL/6-31G*
ABC
0.39773 0.15880 0.11600

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.612 0.000
O2 -1.211 0.581 0.000
O3 0.753 1.553 0.000
O4 0.671 -0.569 0.000
C5 -0.133 -1.767 0.000
H6 0.595 -2.573 0.000
H7 -0.754 -1.817 0.891
H8 -0.754 -1.817 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21091.20511.35842.38323.24062.69482.6948
O21.21092.19132.20512.58353.63462.59832.5983
O31.20512.19132.12323.43654.12913.79733.7973
O41.35842.20512.12321.44342.00592.09332.0933
C52.38322.58353.43651.44341.08661.08701.0870
H63.24063.63464.12912.00591.08661.78521.7852
H72.69482.59833.79732.09331.08701.78521.7820
H82.69482.59833.79732.09331.08701.78521.7820

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 116.520 O2 N1 O3 130.174
O2 N1 O4 118.127 O3 N1 O4 111.699
O4 C5 H6 104.012 O4 C5 H7 110.853
O4 C5 H8 110.853 H6 C5 H7 110.436
H6 C5 H8 110.436 H7 C5 H8 110.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability