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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-189.442113
Energy at 298.15K-189.445693
HF Energy-189.123442
Nuclear repulsion energy72.590381
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/6-31G
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' 3235 3074 7.33      
2 A' 3103 2948 13.36      
3 A' 1561 1483 10.29      
4 A' 1500 1425 2.38      
5 A' 1302 1237 128.99      
6 A' 1181 1122 0.38      
7 A' 873 829 14.29      
8 A' 468 445 5.18      
9 A" 3215 3055 16.73      
10 A" 1547 1470 8.17      
11 A" 1151 1094 0.66      
12 A" 122 116 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 9628.8 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 9148.3 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 MP2=FULL/6-31G
ABC
1.65124 0.35415 0.30915

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.040 -0.491 0.000
O2 0.000 0.588 0.000
O3 -1.259 0.047 0.000
H4 1.986 0.055 0.000
H5 0.923 -1.096 0.902
H6 0.923 -1.096 -0.902

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.49882.36181.09121.09291.0929
O21.49881.37072.05602.12212.1221
O32.36181.37073.24502.62372.6237
H41.09122.05603.24501.80781.8078
H51.09292.12212.62371.80781.8042
H61.09292.12212.62371.80781.8042

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 110.715 O2 C1 H4 103.978
O2 C1 H5 108.925 O2 C1 H6 108.925
H4 C1 H5 111.720 H4 C1 H6 111.720
H5 C1 H6 111.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability