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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-319.470835
Energy at 298.15K-319.476613
HF Energy-318.545499
Nuclear repulsion energy188.170770
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 MP2/6-311G*
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' 3231 3070 5.04      
2 A' 3105 2951 14.69      
3 A' 1876 1783 221.12      
4 A' 1547 1470 7.93      
5 A' 1505 1430 16.38      
6 A' 1324 1258 212.82      
7 A' 1223 1162 4.76      
8 A' 1078 1025 112.40      
9 A' 877 834 216.92      
10 A' 689 655 29.05      
11 A' 594 564 4.09      
12 A' 357 340 2.46      
13 A" 3206 3046 17.24      
14 A" 1519 1444 10.01      
15 A" 1205 1146 0.61      
16 A" 768 730 12.72      
17 A" 238 226 1.18      
18 A" 138 131 2.77      

Unscaled Zero Point Vibrational Energy (zpe) 12239.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11631.5 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 MP2/6-311G*
ABC
0.39182 0.15758 0.11484

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.612 0.000
O2 -1.211 0.575 0.000
O3 0.754 1.553 0.000
O4 0.677 -0.572 0.000
C5 -0.137 -1.760 0.000
H6 0.580 -2.574 0.000
H7 -0.759 -1.802 0.889
H8 -0.759 -1.802 -0.889

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21181.20601.36352.37603.23882.68252.6825
O21.21182.19522.20912.57053.62342.57862.5786
O31.20602.19522.12603.43084.13103.78663.7866
O41.36352.20912.12601.44042.00512.08952.0895
C52.37602.57053.43081.44041.08521.08581.0858
H63.23883.62344.13102.00511.08521.78301.7830
H72.68252.57863.78662.08951.08581.78301.7785
H82.68252.57863.78662.08951.08581.78301.7785

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 115.832 O2 N1 O3 130.452
O2 N1 O4 118.024 O3 N1 O4 111.523
O4 C5 H6 104.222 O4 C5 H7 110.835
O4 C5 H8 110.835 H6 C5 H7 110.428
H6 C5 H8 110.428 H7 C5 H8 109.974
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability