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

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 2A"
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-189.802706
Energy at 298.15K-189.806400
HF Energy-189.250125
Nuclear repulsion energy75.575267
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' 3243 3072 6.97      
2 A' 3115 2950 17.65      
3 A' 1533 1452 16.53      
4 A' 1498 1419 0.79      
5 A' 1294 1225 87.03      
6 A' 1226 1161 0.41      
7 A' 974 923 16.71      
8 A' 518 491 7.29      
9 A" 3229 3058 13.12      
10 A" 1520 1440 10.20      
11 A" 1177 1115 0.64      
12 A" 150 142 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 9738.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 9223.5 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 MP2=FULL/6-311G*
ABC
1.77420 0.38582 0.33746

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 0.986 -0.490 0.000
O2 0.000 0.565 0.000
O3 -1.197 0.074 0.000
H4 1.947 0.018 0.000
H5 0.857 -1.093 0.897
H6 0.857 -1.093 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44332.25381.08731.08811.0881
O21.44331.29352.02242.06992.0699
O32.25381.29353.14422.52592.5259
H41.08732.02243.14421.79621.7962
H51.08812.06992.52591.79621.7932
H61.08812.06992.52591.79621.7932

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 110.760 O2 C1 H4 105.239
O2 C1 H5 108.897 O2 C1 H6 108.897
H4 C1 H5 111.314 H4 C1 H6 111.314
H5 C1 H6 110.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability