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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-190.022354
Energy at 298.15K-190.025913
HF Energy-190.022354
Nuclear repulsion energy74.240969
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/cc-pVDZ
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' 3100 3082 7.72      
2 A' 2973 2955 11.93      
3 A' 1398 1389 7.89      
4 A' 1353 1346 1.08      
5 A' 1150 1144 4.98      
6 A' 1097 1091 1.39      
7 A' 864 859 4.62      
8 A' 477 474 6.44      
9 A" 3079 3061 10.46      
10 A" 1384 1376 9.59      
11 A" 1055 1048 0.24      
12 A" 134 133 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9031.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8978.8 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/cc-pVDZ
ABC
1.71034 0.37344 0.32629

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.005 -0.480 0.000
O2 0.000 0.574 0.000
O3 -1.222 0.056 0.000
H4 1.982 0.040 0.000
H5 0.881 -1.100 0.909
H6 0.881 -1.100 -0.909

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.45632.29081.10631.10771.1077
O21.45631.32702.05272.09892.0989
O32.29081.32703.20392.56642.5664
H41.10632.05273.20391.82701.8270
H51.10772.09892.56641.82701.8185
H61.10772.09892.56641.82701.8185

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 110.696 O2 C1 H4 105.639
O2 C1 H5 109.135 O2 C1 H6 109.135
H4 C1 H5 111.225 H4 C1 H6 111.225
H5 C1 H6 110.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 O -0.080      
3 O -0.164      
4 H 0.053      
5 H 0.061      
6 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.339 -1.012 0.000 2.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.509 -0.367 0.000
y -0.367 -17.693 0.000
z 0.000 0.000 -16.760
Traceless
 xyz
x -0.282 -0.367 0.000
y -0.367 -0.559 0.000
z 0.000 0.000 0.841
Polar
3z2-r21.682
x2-y20.184
xy-0.367
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.314 -0.084 0.000
y -0.084 2.523 0.000
z 0.000 0.000 2.306


<r2> (average value of r2) Å2
<r2> 42.424
(<r2>)1/2 6.513