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

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 Os out of place 1A'
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-243.999327
Energy at 298.15K 
HF Energy-243.522075
Nuclear repulsion energy122.624314
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' 3207 3207 2.13      
2 A' 3110 3110 1.17      
3 A' 1542 1542 14.33      
4 A' 1496 1496 0.45      
5 A' 1398 1398 49.23      
6 A' 1193 1193 0.26      
7 A' 928 928 2.61      
8 A' 667 667 33.56      
9 A' 598 598 4.65      
10 A" 3237 3237 0.22      
11 A" 1656 1656 188.35      
12 A" 1541 1541 50.63      
13 A" 1159 1159 21.78      
14 A" 490 490 0.81      
15 A" 46 46 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11134.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11134.4 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
0.39236 0.34297 0.18970

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)
C1 0.002 -1.337 0.000
N2 -0.013 0.160 0.000
H3 1.049 -1.661 0.000
H4 -0.506 -1.669 0.907
H5 -0.506 -1.669 -0.907
O6 0.002 0.744 -1.114
O7 0.002 0.744 1.114

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49781.09521.09141.09142.36062.3606
N21.49782.10832.10072.10071.25751.2575
H31.09522.10831.79991.79992.84952.8495
H41.09142.10071.79991.81413.18832.4748
H51.09142.10071.79991.81412.47483.1883
O62.36061.25752.84953.18832.47482.2274
O72.36061.25752.84952.47483.18832.2274

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 117.645 C1 N2 O7 117.645
N2 C1 H3 107.779 N2 C1 H4 107.415
N2 C1 H5 107.415 H3 C1 H4 110.795
H3 C1 H5 110.795 H4 C1 H5 112.413
O6 N2 O7 124.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability