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

using model chemistry: CCD/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 CCD/6-311G*
 hartrees
Energy at 0K-189.766783
Energy at 298.15K-189.770505
HF Energy-189.250113
Nuclear repulsion energy75.511139
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 CCD/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' 3193 3050 10.33      
2 A' 3079 2941 18.59      
3 A' 1525 1457 14.12      
4 A' 1497 1429 0.41      
5 A' 1261 1204 74.17      
6 A' 1229 1174 9.61      
7 A' 996 951 17.88      
8 A' 521 498 6.43      
9 A" 3179 3036 18.54      
10 A" 1511 1443 9.10      
11 A" 1182 1129 0.92      
12 A" 163 156 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 9668.1 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 9234.0 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 CCD/6-311G*
ABC
1.76898 0.38582 0.33738

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.985 -0.483 0.000
O2 0.000 0.565 0.000
O3 -1.199 0.068 0.000
H4 1.950 0.026 0.000
H5 0.864 -1.091 0.899
H6 0.864 -1.091 -0.899

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43842.25241.09091.09181.0918
O21.43841.29772.02292.07292.0729
O32.25241.29773.14892.53112.5311
H41.09092.02293.14891.79861.7986
H51.09182.07292.53111.79861.7973
H61.09182.07292.53111.79861.7973

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 110.712 O2 C1 H4 105.396
O2 C1 H5 109.260 O2 C1 H6 109.260
H4 C1 H5 110.983 H4 C1 H6 110.983
H5 C1 H6 110.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability