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

using model chemistry: MP3/6-311+G(3df,2p)

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 MP3/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.611611
Energy at 298.15K 
HF Energy-243.757968
Nuclear repulsion energy126.237929
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 MP3/6-311+G(3df,2p)
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' 3226 3226 1.23      
2 A' 3130 3130 1.09      
3 A' 1541 1541 63.42      
4 A' 1504 1504 16.90      
5 A' 1450 1450 2.54      
6 A' 1170 1170 0.68      
7 A' 993 993 5.46      
8 A' 703 703 27.29      
9 A' 640 640 4.84      
10 A" 3257 3257 0.02      
11 A" 1777 1777 431.36      
12 A" 1500 1500 32.68      
13 A" 1144 1144 14.04      
14 A" 499 499 1.41      
15 A" 18i 18i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11257.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11257.3 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 MP3/6-311+G(3df,2p)
ABC
0.42103 0.35782 0.20074

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.311 0.000
N2 -0.010 0.172 0.000
H3 1.043 -1.615 0.000
H4 -0.492 -1.649 0.902
H5 -0.492 -1.649 -0.902
O6 0.001 0.724 -1.073
O7 0.001 0.724 1.073

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48341.08601.08231.08232.30042.3004
N21.48342.07462.08922.08921.20631.2063
H31.08602.07461.78101.78102.77642.7764
H41.08232.08921.78101.80493.12662.4297
H51.08232.08921.78101.80492.42973.1266
O62.30041.20632.77643.12662.42972.1454
O72.30041.20632.77642.42973.12662.1454

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 117.205 C1 N2 O7 117.205
N2 C1 H3 106.667 N2 C1 H4 108.009
N2 C1 H5 108.009 H3 C1 H4 110.452
H3 C1 H5 110.452 H4 C1 H5 112.989
O6 N2 O7 125.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability