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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-244.389478
Energy at 298.15K 
HF Energy-243.667637
Nuclear repulsion energy123.881090
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/6-31+G**
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' 3285 3085 1.32      
2 A' 3167 2975 2.40      
3 A' 1529 1436 11.34      
4 A' 1462 1373 0.34      
5 A' 1423 1337 47.48      
6 A' 1165 1094 0.13      
7 A' 938 881 3.48      
8 A' 665 625 23.86      
9 A' 593 557 2.84      
10 A" 3311 3110 0.00      
11 A" 1781 1673 140.42      
12 A" 1521 1429 22.47      
13 A" 1151 1081 3.59      
14 A" 483 454 0.61      
15 A" 48 45 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11260.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 10576.2 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 MP2=FULL/6-31+G**
ABC
0.39892 0.35108 0.19357

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.323 0.000
N2 -0.013 0.164 0.000
H3 1.043 -1.629 0.000
H4 -0.495 -1.658 0.902
H5 -0.495 -1.658 -0.902
O6 0.002 0.733 -1.105
O7 0.002 0.733 1.105

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48801.08551.08251.08252.33462.3346
N21.48802.08182.08932.08931.24251.2425
H31.08552.08181.78361.78362.80832.8083
H41.08252.08931.78361.80343.16052.4505
H51.08252.08931.78361.80342.45053.1605
O62.33461.24252.80833.16052.45052.2090
O72.33461.24252.80832.45053.16052.2090

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 117.240 C1 N2 O7 117.240
N2 C1 H3 106.943 N2 C1 H4 107.698
N2 C1 H5 107.698 H3 C1 H4 110.712
H3 C1 H5 110.712 H4 C1 H5 112.810
O6 N2 O7 125.480
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability