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

using model chemistry: LSDA/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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-189.263142
Energy at 298.15K-189.266726
HF Energy-189.263142
Nuclear repulsion energy75.445043
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 LSDA/cc-pVDZ
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' 3105 3071 3.11      
2 A' 2968 2936 7.56      
3 A' 1377 1361 11.67      
4 A' 1341 1327 1.35      
5 A' 1207 1194 4.88      
6 A' 1126 1114 1.45      
7 A' 928 918 4.43      
8 A' 492 487 7.86      
9 A" 3073 3039 4.09      
10 A" 1359 1344 14.54      
11 A" 1051 1039 0.00      
12 A" 129 128 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 9078.7 cm-1
Scaled (by 0.989) 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 LSDA/cc-pVDZ
ABC
1.75923 0.38709 0.33844

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.985 -0.467 0.000
O2 0.000 0.563 0.000
O3 -1.200 0.055 0.000
H4 1.968 0.043 0.000
H5 0.858 -1.092 0.908
H6 0.858 -1.092 -0.908

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.42512.24631.10711.10961.1096
O21.42511.30262.03562.07342.0734
O32.24631.30263.16772.52472.5247
H41.10712.03563.16771.82871.8287
H51.10962.07342.52471.82871.8156
H61.10962.07342.52471.82871.8156

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 110.796 O2 C1 H4 106.332
O2 C1 H5 109.142 O2 C1 H6 109.142
H4 C1 H5 111.170 H4 C1 H6 111.170
H5 C1 H6 109.793
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.057      
2 O -0.049      
3 O -0.175      
4 H 0.088      
5 H 0.096      
6 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.441 -1.005 0.000 2.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.637 -0.394 0.000
y -0.394 -17.701 0.000
z 0.000 0.000 -16.757
Traceless
 xyz
x -0.408 -0.394 0.000
y -0.394 -0.504 0.000
z 0.000 0.000 0.912
Polar
3z2-r21.824
x2-y20.064
xy-0.394
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.196 -0.082 0.000
y -0.082 2.504 0.000
z 0.000 0.000 2.333


<r2> (average value of r2) Å2
<r2> 41.430
(<r2>)1/2 6.437