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

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-319.564564
Energy at 298.15K-319.570351
HF Energy-318.545963
Nuclear repulsion energy188.334547
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 MP2=FULL/6-311G*
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' 3234 3063 4.88      
2 A' 3108 2944 14.56      
3 A' 1880 1780 223.52      
4 A' 1548 1466 7.86      
5 A' 1507 1427 17.06      
6 A' 1328 1258 212.51      
7 A' 1224 1159 4.58      
8 A' 1081 1024 112.57      
9 A' 879 832 216.78      
10 A' 691 654 28.86      
11 A' 595 564 4.08      
12 A' 358 339 2.50      
13 A" 3208 3039 16.93      
14 A" 1520 1440 10.23      
15 A" 1207 1143 0.57      
16 A" 771 731 12.85      
17 A" 240 227 1.18      
18 A" 139 131 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 12259.1 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 11610.6 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 MP2=FULL/6-311G*
ABC
0.39266 0.15782 0.11504

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.618 0.000
O2 -1.209 0.553 0.000
O3 0.727 1.578 0.000
O4 0.713 -0.599 0.000
C5 -0.144 -1.744 0.000
H6 0.555 -2.577 0.000
H7 -0.769 -1.767 0.892
H8 -0.769 -1.767 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21101.20431.41072.36613.24202.66002.6600
O21.21102.19052.24192.53233.59312.52522.5252
O31.20432.19052.17713.43414.15773.77143.7714
O41.41072.24192.17711.43051.98342.08762.0876
C52.36612.53233.43411.43051.08751.08941.0894
H63.24203.59314.15771.98341.08751.79011.7901
H72.66002.52523.77142.08761.08941.79011.7848
H82.66002.52523.77142.08761.08941.79011.7848

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 112.770 O2 N1 O3 130.171
O2 N1 O4 117.347 O3 N1 O4 112.482
O4 C5 H6 103.099 O4 C5 H7 111.153
O4 C5 H8 111.153 H6 C5 H7 110.639
H6 C5 H8 110.639 H7 C5 H8 109.997
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability