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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-190.162893
Energy at 298.15K-190.166543
HF Energy-190.162893
Nuclear repulsion energy75.289121
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
(Å4/u)
Dep P Dep U
1 A' 3214 3047 9.91      
2 A' 3099 2939 14.77      
3 A' 1518 1439 9.01      
4 A' 1472 1396 0.67      
5 A' 1265 1200 12.99      
6 A' 1202 1140 0.39      
7 A' 966 916 15.07      
8 A' 502 476 6.47      
9 A" 3199 3034 14.41      
10 A" 1507 1429 8.08      
11 A" 1150 1090 0.33      
12 A" 141 134 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 9617.3 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 9120.1 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
1.76426 0.38348 0.33532

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 0.991 -0.474 0.000
O2 0.000 0.565 0.000
O3 -1.206 0.057 0.000
H4 1.954 0.038 0.000
H5 0.874 -1.085 0.897
H6 0.874 -1.085 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43582.26021.09031.09111.0911
O21.43581.30832.02362.07102.0710
O32.26021.30833.15962.53622.5362
H41.09032.02363.15961.79731.7973
H51.09112.07102.53621.79731.7931
H61.09112.07102.53621.79731.7931

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 110.812 O2 C1 H4 105.654
O2 C1 H5 109.320 O2 C1 H6 109.320
H4 C1 H5 110.957 H4 C1 H6 110.957
H5 C1 H6 110.500
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 -0.275      
2 O -0.161      
3 O -0.166      
4 H 0.197      
5 H 0.202      
6 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.412 -1.182 0.000 2.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.174 -0.401 0.000
y -0.401 -17.630 0.000
z 0.000 0.000 -16.642
Traceless
 xyz
x -0.038 -0.401 0.000
y -0.401 -0.721 0.000
z 0.000 0.000 0.759
Polar
3z2-r21.519
x2-y20.455
xy-0.401
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.965 0.029 0.000
y 0.029 2.346 0.000
z 0.000 0.000 2.228


<r2> (average value of r2) Å2
<r2> 41.470
(<r2>)1/2 6.440