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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-189.475772
Energy at 298.15K-189.479291
HF Energy-189.121540
Nuclear repulsion energy70.896131
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/6-31G
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' 3165 3050 9.08      
2 A' 3053 2942 11.01      
3 A' 1534 1479 7.57      
4 A' 1464 1410 2.10      
5 A' 1169 1126 2.16      
6 A' 935 901 18.95      
7 A' 802 772 5.13      
8 A' 434 418 4.52      
9 A" 3158 3043 15.89      
10 A" 1520 1464 7.52      
11 A" 1127 1086 0.71      
12 A" 150 145 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 9254.8 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 8917.9 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/6-31G
ABC
1.52145 0.34417 0.29701

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.071 -0.434 0.000
O2 0.000 0.615 0.000
O3 -1.296 -0.046 0.000
H4 2.007 0.138 0.000
H5 0.968 -1.044 0.905
H6 0.968 -1.044 -0.905

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.49912.39921.09651.09671.0967
O21.49911.45532.06342.12342.1234
O32.39921.45533.30892.63482.6348
H41.09652.06343.30891.81551.8155
H51.09672.12342.63481.81551.8104
H61.09672.12342.63481.81551.8104

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 108.594 O2 C1 H4 104.227
O2 C1 H5 108.781 O2 C1 H6 108.781
H4 C1 H5 111.741 H4 C1 H6 111.741
H5 C1 H6 111.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability