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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-189.475555
Energy at 298.15K-189.479114
HF Energy-189.173113
Nuclear repulsion energy72.167883
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/SDD
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' 3216 3104 13.31      
2 A' 3063 2957 25.53      
3 A' 1530 1477 16.25      
4 A' 1485 1434 19.75      
5 A' 1379 1332 119.44      
6 A' 1171 1130 0.12      
7 A' 867 837 18.18      
8 A' 457 442 4.55      
9 A" 3198 3087 26.73      
10 A" 1513 1461 10.11      
11 A" 1133 1094 0.36      
12 A" 119 115 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 9566.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 9234.1 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/SDD
ABC
1.64019 0.34903 0.30509

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.047 -0.499 0.000
O2 0.000 0.590 0.000
O3 -1.267 0.054 0.000
H4 1.997 0.050 0.000
H5 0.927 -1.106 0.908
H6 0.927 -1.106 -0.908

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.51102.37961.09721.09851.0985
O21.51101.37552.06912.13512.1351
O32.37961.37553.26432.64232.6423
H41.09722.06913.26431.81841.8184
H51.09852.13512.64231.81841.8154
H61.09852.13512.64231.81841.8154

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 110.972 O2 C1 H4 103.858
O2 C1 H5 108.777 O2 C1 H6 108.777
H4 C1 H5 111.819 H4 C1 H6 111.819
H5 C1 H6 111.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability