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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-190.104245
Energy at 298.15K-190.107806
HF Energy-190.104245
Nuclear repulsion energy73.224467
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 mPW1PW91/6-31G
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' 3240 3067 5.59      
2 A' 3108 2942 9.63      
3 A' 1532 1450 12.65      
4 A' 1474 1396 0.94      
5 A' 1197 1133 2.65      
6 A' 1067 1010 16.04      
7 A' 896 848 9.81      
8 A' 470 445 5.30      
9 A" 3221 3049 12.46      
10 A" 1521 1440 14.00      
11 A" 1142 1081 0.06      
12 A" 122 115 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9495.1 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 8988.1 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 mPW1PW91/6-31G
ABC
1.68247 0.36127 0.31545

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.032 -0.465 0.000
O2 0.000 0.580 0.000
O3 -1.252 0.027 0.000
H4 1.976 0.075 0.000
H5 0.924 -1.074 0.897
H6 0.924 -1.074 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.46902.33651.08761.08911.0891
O21.46901.36872.04002.09612.0961
O32.33651.36873.22872.59832.5983
H41.08762.04003.22871.79721.7972
H51.08912.09612.59831.79721.7935
H61.08912.09612.59831.79721.7935

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 110.800 O2 C1 H4 104.882
O2 C1 H5 109.145 O2 C1 H6 109.145
H4 C1 H5 111.307 H4 C1 H6 111.307
H5 C1 H6 110.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.243      
2 O -0.249      
3 O -0.126      
4 H 0.205      
5 H 0.206      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.651 -1.523 0.000 3.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.226 -0.531 0.000
y -0.531 -18.129 0.000
z 0.000 0.000 -16.795
Traceless
 xyz
x 0.236 -0.531 0.000
y -0.531 -1.119 0.000
z 0.000 0.000 0.883
Polar
3z2-r21.766
x2-y20.903
xy-0.531
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.136 0.127 0.000
y 0.127 2.193 0.000
z 0.000 0.000 1.999


<r2> (average value of r2) Å2
<r2> 43.319
(<r2>)1/2 6.582