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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-189.255489
Energy at 298.15K-189.259292
HF Energy-189.255489
Nuclear repulsion energy76.191830
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 HF/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' 3302 2999 21.23      
2 A' 3197 2904 29.11      
3 A' 1619 1471 11.58      
4 A' 1592 1446 1.48      
5 A' 1338 1215 19.17      
6 A' 1291 1173 60.41      
7 A' 1063 966 32.32      
8 A' 539 489 4.82      
9 A" 3278 2978 38.32      
10 A" 1601 1455 7.15      
11 A" 1269 1153 2.78      
12 A" 181 165 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 10135.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 9207.7 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 HF/6-311G**
ABC
1.82387 0.39117 0.34295

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.978 -0.469 0.000
O2 0.000 0.554 0.000
O3 -1.194 0.063 0.000
H4 1.931 0.038 0.000
H5 0.876 -1.079 0.889
H6 0.876 -1.079 -0.889

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41532.23581.08041.08231.0823
O21.41531.29081.99912.05482.0548
O32.23581.29083.12522.52512.5251
H41.08041.99913.12521.77531.7753
H51.08232.05482.52511.77531.7773
H61.08232.05482.52511.77531.7773

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 111.336 O2 C1 H4 105.668
O2 C1 H5 109.999 O2 C1 H6 109.999
H4 C1 H5 110.347 H4 C1 H6 110.347
H5 C1 H6 110.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.012      
2 O -0.237      
3 O -0.080      
4 H 0.104      
5 H 0.101      
6 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.031 -1.374 0.000 2.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.078 -0.460 0.000
y -0.460 -18.189 0.000
z 0.000 0.000 -16.777
Traceless
 xyz
x 0.405 -0.460 0.000
y -0.460 -1.261 0.000
z 0.000 0.000 0.857
Polar
3z2-r21.713
x2-y21.111
xy-0.460
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.609 0.069 0.000
y 0.069 2.298 0.000
z 0.000 0.000 2.217


<r2> (average value of r2) Å2
<r2> 40.952
(<r2>)1/2 6.399