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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-189.705515
Energy at 298.15K-189.709152
HF Energy-189.211324
Nuclear repulsion energy74.978450
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/6-31+G**
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' 3288 3088 5.08      
2 A' 3154 2962 20.02      
3 A' 1543 1449 13.91      
4 A' 1492 1402 0.04      
5 A' 1270 1193 113.47      
6 A' 1212 1138 0.86      
7 A' 951 893 18.72      
8 A' 502 472 6.75      
9 A" 3280 3081 8.69      
10 A" 1529 1436 7.60      
11 A" 1162 1091 1.24      
12 A" 128 120 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 9755.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 9162.1 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/6-31+G**
ABC
1.74362 0.38001 0.33187

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.997 -0.487 0.000
O2 0.000 0.571 0.000
O3 -1.209 0.062 0.000
H4 1.951 0.029 0.000
H5 0.869 -1.085 0.895
H6 0.869 -1.085 -0.895

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.45372.27391.08431.08461.0846
O21.45371.31192.02482.07352.0735
O32.27391.31193.16052.53742.5374
H41.08432.02483.16051.79271.7927
H51.08462.07352.53741.79271.7910
H61.08462.07352.53741.79271.7910

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 110.507 O2 C1 H4 104.912
O2 C1 H5 108.681 O2 C1 H6 108.681
H4 C1 H5 111.493 H4 C1 H6 111.493
H5 C1 H6 111.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability