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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-190.095953
Energy at 298.15K-190.099502
HF Energy-190.095953
Nuclear repulsion energy74.400189
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 PBEPBE/Def2TZVPP
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' 3090 3053 7.85      
2 A' 2980 2944 11.10      
3 A' 1426 1409 8.37      
4 A' 1379 1362 1.59      
5 A' 1168 1153 4.41      
6 A' 1100 1087 1.61      
7 A' 864 854 4.59      
8 A' 475 469 6.47      
9 A" 3076 3038 9.68      
10 A" 1414 1397 10.21      
11 A" 1073 1060 0.28      
12 A" 126 124 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 9084.7 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8974.8 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 PBEPBE/Def2TZVPP
ABC
1.73649 0.37296 0.32652

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.007 -0.475 0.000
O2 0.000 0.557 0.000
O3 -1.226 0.067 0.000
H4 1.977 0.038 0.000
H5 0.896 -1.093 0.900
H6 0.896 -1.093 -0.900

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44202.29781.09701.09731.0973
O21.44201.32042.04392.08252.0825
O32.29781.32043.20292.58082.5808
H41.09702.04393.20291.80441.8044
H51.09732.08252.58081.80441.7997
H61.09732.08252.58081.80441.7997

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 112.501 O2 C1 H4 106.429
O2 C1 H5 109.442 O2 C1 H6 109.442
H4 C1 H5 110.636 H4 C1 H6 110.636
H5 C1 H6 110.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 O -0.001      
3 O -0.200      
4 H 0.115      
5 H 0.128      
6 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.550 -1.046 0.000 2.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.953 -0.374 0.000
y -0.374 -18.117 0.000
z 0.000 0.000 -17.083
Traceless
 xyz
x -0.353 -0.374 0.000
y -0.374 -0.599 0.000
z 0.000 0.000 0.952
Polar
3z2-r21.903
x2-y20.164
xy-0.374
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.880 -0.139 0.000
y -0.139 3.116 0.000
z 0.000 0.000 2.829


<r2> (average value of r2) Å2
<r2> 42.596
(<r2>)1/2 6.527