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

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-189.804078
Energy at 298.15K-189.807790
HF Energy-189.253865
Nuclear repulsion energy74.864204
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 QCISD/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' 3190 3044 12.13      
2 A' 3080 2939 16.64      
3 A' 1513 1444 8.25      
4 A' 1481 1413 1.23      
5 A' 1230 1174 6.43      
6 A' 1145 1092 11.02      
7 A' 965 921 15.31      
8 A' 505 481 5.59      
9 A" 3175 3029 18.95      
10 A" 1496 1427 6.82      
11 A" 1167 1113 1.83      
12 A" 174 166 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 9560.0 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 9121.2 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 QCISD/6-311G**
ABC
1.71944 0.38190 0.33255

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.997 -0.467 0.000
O2 0.000 0.574 0.000
O3 -1.212 0.040 0.000
H4 1.957 0.051 0.000
H5 0.879 -1.078 0.898
H6 0.879 -1.078 -0.898

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44102.26581.09161.09241.0924
O21.44101.32412.02612.07502.0750
O32.26581.32413.16932.53502.5350
H41.09162.02613.16931.80101.8010
H51.09242.07502.53501.80101.7967
H61.09242.07502.53501.80101.7967

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 109.984 O2 C1 H4 105.433
O2 C1 H5 109.206 O2 C1 H6 109.206
H4 C1 H5 111.098 H4 C1 H6 111.098
H5 C1 H6 110.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability