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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-189.825491
Energy at 298.15K-189.829179
HF Energy-189.254897
Nuclear repulsion energy75.566721
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' 3239 3072 7.11      
2 A' 3113 2953 17.63      
3 A' 1515 1437 14.49      
4 A' 1488 1411 0.32      
5 A' 1290 1224 89.38      
6 A' 1218 1155 1.10      
7 A' 978 927 15.77      
8 A' 516 489 6.95      
9 A" 3223 3057 13.32      
10 A" 1499 1422 8.29      
11 A" 1167 1107 1.17      
12 A" 145 138 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 9694.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 9196.4 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
1.77278 0.38593 0.33750

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 0.985 -0.489 0.000
O2 0.000 0.565 0.000
O3 -1.197 0.073 0.000
H4 1.948 0.018 0.000
H5 0.859 -1.094 0.897
H6 0.859 -1.094 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44212.25271.08841.08941.0894
O21.44211.29392.02372.07222.0722
O32.25271.29393.14562.52822.5282
H41.08842.02373.14561.79661.7966
H51.08942.07222.52821.79661.7934
H61.08942.07222.52821.79661.7934

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 110.732 O2 C1 H4 105.353
O2 C1 H5 109.092 O2 C1 H6 109.092
H4 C1 H5 111.165 H4 C1 H6 111.165
H5 C1 H6 110.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability