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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-189.682234
Energy at 298.15K-189.685883
HF Energy-189.206195
Nuclear repulsion energy75.041333
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 MP2/6-31G**
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' 3286 3077 7.80      
2 A' 3155 2955 17.89      
3 A' 1551 1452 9.37      
4 A' 1498 1403 0.24      
5 A' 1272 1192 101.79      
6 A' 1218 1141 0.65      
7 A' 966 904 16.95      
8 A' 504 472 6.73      
9 A" 3276 3068 13.21      
10 A" 1539 1441 5.26      
11 A" 1167 1093 0.99      
12 A" 132 124 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 9781.1 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 9160.0 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 MP2/6-31G**
ABC
1.73216 0.38229 0.33312

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.994 -0.483 0.000
O2 0.000 0.573 0.000
O3 -1.207 0.057 0.000
H4 1.951 0.028 0.000
H5 0.870 -1.086 0.894
H6 0.870 -1.086 -0.894

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.45032.26551.08511.08571.0857
O21.45031.31252.02572.07622.0762
O32.26551.31253.15762.53332.5333
H41.08512.02573.15761.79171.7917
H51.08572.07622.53331.79171.7883
H61.08572.07622.53331.79171.7883

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 110.070 O2 C1 H4 105.145
O2 C1 H5 109.059 O2 C1 H6 109.059
H4 C1 H5 111.245 H4 C1 H6 111.245
H5 C1 H6 110.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability