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

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-190.101213
Energy at 298.15K-190.104870
HF Energy-189.926723
Nuclear repulsion energy74.915994
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 B2PLYP/6-311G**
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' 3191 3191 9.71      
2 A' 3078 3078 14.97      
3 A' 1503 1503 9.81      
4 A' 1463 1463 1.36      
5 A' 1235 1235 11.96      
6 A' 1179 1179 1.02      
7 A' 938 938 15.29      
8 A' 499 499 6.54      
9 A" 3176 3176 14.82      
10 A" 1488 1488 9.52      
11 A" 1147 1147 0.88      
12 A" 146 146 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 9520.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9520.6 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 B2PLYP/6-311G**
ABC
1.75062 0.37909 0.33144

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.999 -0.477 0.000
O2 0.000 0.568 0.000
O3 -1.213 0.056 0.000
H4 1.958 0.038 0.000
H5 0.877 -1.083 0.896
H6 0.877 -1.083 -0.896

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44562.27561.08811.08891.0889
O21.44561.31702.02832.07342.0734
O32.27561.31703.17112.54352.5435
H41.08812.02833.17111.79681.7968
H51.08892.07342.54351.79681.7918
H61.08892.07342.54351.79681.7918

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 110.829 O2 C1 H4 105.487
O2 C1 H5 108.971 O2 C1 H6 108.971
H4 C1 H5 111.253 H4 C1 H6 111.253
H5 C1 H6 110.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 O -0.181      
3 O -0.125      
4 H 0.119      
5 H 0.122      
6 H 0.122      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.240 0.039 0.000
y 0.039 2.483 0.000
z 0.000 0.000 2.289


<r2> (average value of r2) Å2
<r2> 41.935
(<r2>)1/2 6.476