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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-244.539450
Energy at 298.15K 
HF Energy-243.722750
Nuclear repulsion energy124.724529
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=FULL/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' 3238 3072 2.00      
2 A' 3129 2968 1.74      
3 A' 1503 1425 11.48      
4 A' 1441 1367 4.33      
5 A' 1434 1360 66.28      
6 A' 1154 1095 0.17      
7 A' 956 907 8.97      
8 A' 686 651 25.16      
9 A' 609 577 3.84      
10 A" 3263 3095 0.23      
11 A" 1810 1717 109.06      
12 A" 1491 1415 18.46      
13 A" 1135 1077 3.22      
14 A" 490 465 0.43      
15 A" 36 34 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 11186.9 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 10611.9 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=FULL/6-311G**
ABC
0.40621 0.35391 0.19619

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.318 0.000
N2 -0.014 0.171 0.000
H3 1.047 -1.625 0.000
H4 -0.496 -1.658 0.904
H5 -0.496 -1.658 -0.904
O6 0.002 0.728 -1.093
O7 0.002 0.728 1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48901.08961.08671.08672.32002.3200
N21.48902.08642.09652.09651.22741.2274
H31.08962.08641.78871.78872.79762.7976
H41.08672.09651.78871.80853.15172.4451
H51.08672.09651.78871.80852.44513.1517
O62.32001.22742.79763.15172.44512.1869
O72.32001.22742.79762.44513.15172.1869

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 116.991 C1 N2 O7 116.991
N2 C1 H3 106.997 N2 C1 H4 107.944
N2 C1 H5 107.944 H3 C1 H4 110.550
H3 C1 H5 110.550 H4 C1 H5 112.626
O6 N2 O7 125.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability