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

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-190.194716
Energy at 298.15K-190.198357
HF Energy-190.194716
Nuclear repulsion energy75.173733
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 B3PW91/6-311G**
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' 3171 3054 9.30      
2 A' 3055 2943 13.38      
3 A' 1479 1424 10.95      
4 A' 1441 1388 0.65      
5 A' 1232 1187 10.14      
6 A' 1174 1131 0.45      
7 A' 934 900 12.48      
8 A' 497 479 6.50      
9 A" 3152 3035 14.39      
10 A" 1465 1411 11.06      
11 A" 1128 1086 0.38      
12 A" 141 135 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 9434.2 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9086.0 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 B3PW91/6-311G**
ABC
1.77660 0.38032 0.33335

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.995 -0.480 0.000
O2 0.000 0.563 0.000
O3 -1.209 0.066 0.000
H4 1.957 0.032 0.000
H5 0.874 -1.089 0.897
H6 0.874 -1.089 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44112.27061.08971.09101.0910
O21.44111.30722.02752.07312.0731
O32.27061.30723.16622.54562.5456
H41.08972.02753.16621.79821.7982
H51.09102.07312.54561.79821.7941
H61.09102.07312.54561.79821.7941

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 111.327 O2 C1 H4 105.636
O2 C1 H5 109.131 O2 C1 H6 109.131
H4 C1 H5 111.088 H4 C1 H6 111.088
H5 C1 H6 110.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 O -0.121      
3 O -0.163      
4 H 0.134      
5 H 0.143      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.481 -1.191 0.000 2.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.504 -0.431 0.000
y -0.431 -17.876 0.000
z 0.000 0.000 -16.760
Traceless
 xyz
x -0.186 -0.431 0.000
y -0.431 -0.744 0.000
z 0.000 0.000 0.930
Polar
3z2-r21.861
x2-y20.372
xy-0.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.198 -0.016 0.000
y -0.016 2.506 0.000
z 0.000 0.000 2.313


<r2> (average value of r2) Å2
<r2> 41.781
(<r2>)1/2 6.464