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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-189.691293
Energy at 298.15K-189.694975
HF Energy-189.200454
Nuclear repulsion energy74.516138
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 CCSD/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' 3209 3030 10.70      
2 A' 3100 2928 15.38      
3 A' 1536 1450 7.56      
4 A' 1487 1404 1.16      
5 A' 1231 1163 8.74      
6 A' 1173 1108 14.53      
7 A' 964 911 16.98      
8 A' 501 473 6.06      
9 A" 3201 3023 15.88      
10 A" 1524 1439 5.96      
11 A" 1167 1102 0.85      
12 A" 164 155 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 9628.6 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 9092.3 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 CCSD/6-31G*
ABC
1.69404 0.37926 0.32966

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.002 -0.467 0.000
O2 0.000 0.579 0.000
O3 -1.217 0.033 0.000
H4 1.961 0.055 0.000
H5 0.883 -1.075 0.900
H6 0.883 -1.075 -0.900

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44802.27461.09241.09271.0927
O21.44801.33402.02992.08012.0801
O32.27461.33403.17872.53992.5399
H41.09242.02993.17871.80291.8029
H51.09272.08012.53991.80291.7993
H61.09272.08012.53991.80291.7993

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 109.625 O2 C1 H4 105.218
O2 C1 H5 109.109 O2 C1 H6 109.109
H4 C1 H5 111.188 H4 C1 H6 111.188
H5 C1 H6 110.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability