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

using model chemistry: ROHF/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 ROHF/6-31G
 hartrees
Energy at 0K-189.121923
Energy at 298.15K-189.125625
Nuclear repulsion energy73.626052
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 ROHF/6-31G
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' 3356 3005 10.23      
2 A' 3240 2900 20.20      
3 A' 1658 1485 10.70      
4 A' 1606 1438 1.13      
5 A' 1307 1170 0.09      
6 A' 1119 1002 62.75      
7 A' 927 830 14.39      
8 A' 489 438 2.72      
9 A" 3336 2987 28.70      
10 A" 1640 1468 10.08      
11 A" 1270 1137 1.77      
12 A" 171 153 3.09      

Unscaled Zero Point Vibrational Energy (zpe) 10059.8 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 9006.6 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 ROHF/6-31G
ABC
1.71813 0.36408 0.31843

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.030 -0.444 0.000
O2 0.000 0.572 0.000
O3 -1.253 0.010 0.000
H4 1.956 0.105 0.000
H5 0.945 -1.051 0.887
H6 0.945 -1.051 -0.887

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44662.32731.07661.07811.0781
O21.44661.37342.01102.07722.0772
O32.32731.37343.21042.59712.5971
H41.07662.01103.21041.77291.7729
H51.07812.07722.59711.77291.7743
H61.07812.07722.59711.77291.7743

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 111.207 O2 C1 H4 104.735
O2 C1 H5 109.858 O2 C1 H6 109.858
H4 C1 H5 110.737 H4 C1 H6 110.737
H5 C1 H6 110.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.127      
2 O -0.406      
3 O -0.029      
4 H 0.198      
5 H 0.182      
6 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.219 -1.814 0.000 2.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.837 -0.581 0.000
y -0.581 -18.771 -0.000
z 0.000 -0.000 -17.027
Traceless
 xyz
x 1.061 -0.581 0.000
y -0.581 -1.838 -0.000
z 0.000 -0.000 0.777
Polar
3z2-r21.554
x2-y21.933
xy-0.581
xz0.000
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000