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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at G2
 hartrees
Energy at 0K-189.946849
Energy at 298.15K-189.942086
HF Energy-189.202313
Nuclear repulsion energy75.954841
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 HF/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' 3345 3151 21.78      
2 A' 3243 3055 28.27      
3 A' 1647 1552 8.07      
4 A' 1612 1519 3.16      
5 A' 1343 1266 11.82      
6 A' 1280 1206 67.18      
7 A' 1064 1003 30.91      
8 A' 535 504 4.55      
9 A" 3329 3136 37.00      
10 A" 1631 1537 4.24      
11 A" 1280 1206 2.92      
12 A" 181 171 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 10245.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9653.1 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=FULL/6-31G*
ABC
1.73086 0.38212 0.33311

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 0.993 -0.484 0.000
O2 0.000 0.573 0.000
O3 -1.206 0.059 0.000
H4 1.953 0.030 0.000
H5 0.868 -1.088 0.898
H6 0.868 -1.088 -0.898

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.45072.26571.08881.08931.0893
O21.45071.31142.02752.07812.0781
O32.26571.31143.15972.53442.5344
H41.08882.02753.15971.79831.7983
H51.08932.07812.53441.79831.7954
H61.08932.07812.53441.79831.7954

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 110.884 O2 C1 H4 105.610
O2 C1 H5 110.028 O2 C1 H6 110.028
H4 C1 H5 110.347 H4 C1 H6 110.347
H5 C1 H6 110.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability