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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-244.513239
Energy at 298.15K 
HF Energy-243.719729
Nuclear repulsion energy123.876899
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 MP4/6-311G**
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' 3190 3093        
2 A' 3087 2994        
3 A' 1492 1447        
4 A' 1427 1384        
5 A' 1377 1336        
6 A' 1140 1105        
7 A' 915 888        
8 A' 664 644        
9 A' 593 575        
10 A" 3213 3115        
11 A" 1664 1614        
12 A" 1481 1436        
13 A" 1115 1081        
14 A" 476 462        
15 A" 19 18        

Unscaled Zero Point Vibrational Energy (zpe) 10926.3 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 10595.2 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 MP4/6-311G**
ABC
0.39994 0.34944 0.19342

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.328 0.000
N2 -0.014 0.174 0.000
H3 1.052 -1.632 0.000
H4 -0.498 -1.667 0.908
H5 -0.498 -1.667 -0.908
O6 0.002 0.732 -1.102
O7 0.002 0.732 1.102

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50181.09331.09061.09062.33642.3364
N21.50182.09742.10912.10911.23571.2357
H31.09332.09741.79671.79672.81212.8121
H41.09062.10911.79671.81563.16992.4588
H51.09062.10911.79671.81562.45883.1699
O62.33641.23572.81213.16992.45882.2046
O72.33641.23572.81212.45883.16992.2046

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 116.846 C1 N2 O7 116.846
N2 C1 H3 106.781 N2 C1 H4 107.837
N2 C1 H5 107.837 H3 C1 H4 110.715
H3 C1 H5 110.715 H4 C1 H5 112.691
O6 N2 O7 126.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability