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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-244.336995
Energy at 298.15K 
HF Energy-243.658661
Nuclear repulsion energy125.247521
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' 3253 3052 1.05      
2 A' 3154 2959 0.68      
3 A' 1544 1448 52.62      
4 A' 1528 1434 33.26      
5 A' 1475 1384 4.74      
6 A' 1185 1112 1.19      
7 A' 989 928 5.81      
8 A' 698 655 32.17      
9 A' 628 589 6.78      
10 A" 3283 3080 0.13      
11 A" 1823 1710 298.52      
12 A" 1527 1433 27.35      
13 A" 1159 1088 11.48      
14 A" 500 469 0.91      
15 A" 41 38 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11392.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 10689.5 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 MP3=FULL/6-31G*
ABC
0.41136 0.35562 0.19793

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 -1.314 0.000
N2 -0.014 0.169 0.000
H3 1.048 -1.622 0.000
H4 -0.496 -1.652 0.905
H5 -0.496 -1.652 -0.905
O6 0.002 0.727 -1.086
O7 0.002 0.727 1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48311.09081.08721.08722.31222.3122
N21.48312.08212.08972.08971.22111.2211
H31.09082.08211.79071.79072.79172.7917
H41.08722.08971.79071.81093.14202.4371
H51.08722.08971.79071.81092.43713.1420
O62.31221.22112.79173.14202.43712.1718
O72.31221.22112.79172.43713.14202.1718

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 117.199 C1 N2 O7 117.199
N2 C1 H3 106.998 N2 C1 H4 107.794
N2 C1 H5 107.794 H3 C1 H4 110.608
H3 C1 H5 110.608 H4 C1 H5 112.788
O6 N2 O7 125.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability