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All results from a given calculation for CH3OO (methylperoxy radical)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-190.006646
Energy at 298.15K-190.010299
HF Energy-190.006646
Nuclear repulsion energy75.326474
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 PBE1PBE/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' 3208 3049 9.26      
2 A' 3093 2939 14.19      
3 A' 1512 1437 9.21      
4 A' 1466 1393 0.54      
5 A' 1269 1206 12.40      
6 A' 1202 1142 0.20      
7 A' 969 921 14.54      
8 A' 503 478 6.51      
9 A" 3193 3035 13.56      
10 A" 1501 1426 8.25      
11 A" 1146 1089 0.29      
12 A" 143 136 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 9602.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 9125.2 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 PBE1PBE/6-31G*
ABC
1.76388 0.38411 0.33582

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.990 -0.474 0.000
O2 0.000 0.565 0.000
O3 -1.205 0.058 0.000
H4 1.955 0.037 0.000
H5 0.872 -1.086 0.897
H6 0.872 -1.086 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43512.25791.09171.09261.0926
O21.43511.30692.02472.07152.0715
O32.25791.30693.15912.53472.5347
H41.09172.02473.15911.79961.7996
H51.09262.07152.53471.79961.7950
H61.09262.07152.53471.79961.7950

picture of methylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 110.779 O2 C1 H4 105.704
O2 C1 H5 109.326 O2 C1 H6 109.326
H4 C1 H5 110.951 H4 C1 H6 110.951
H5 C1 H6 110.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability