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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-190.160425
Energy at 298.15K-190.163955
HF Energy-190.160425
Nuclear repulsion energy72.624172
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 B3LYP/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' 3204 3082 7.40      
2 A' 3082 2965 9.87      
3 A' 1523 1465 10.64      
4 A' 1461 1405 0.90      
5 A' 1182 1137 2.24      
6 A' 1026 987 12.19      
7 A' 861 828 9.53      
8 A' 461 443 5.46      
9 A" 3188 3067 14.32      
10 A" 1511 1454 11.99      
11 A" 1126 1083 0.13      
12 A" 120 115 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 9371.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 9015.6 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 B3LYP/6-31G
ABC
1.65124 0.35552 0.31006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.042 -0.467 0.000
O2 0.000 0.587 0.000
O3 -1.263 0.022 0.000
H4 1.987 0.078 0.000
H5 0.933 -1.075 0.899
H6 0.933 -1.075 -0.899

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.48232.35701.08981.09091.0909
O21.48231.38392.05092.10732.1073
O32.35701.38393.25042.61422.6142
H41.08982.05093.25041.80211.8021
H51.09092.10732.61421.80211.7976
H61.09092.10732.61421.80211.7976

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 110.594 O2 C1 H4 104.733
O2 C1 H5 109.009 O2 C1 H6 109.009
H4 C1 H5 111.453 H4 C1 H6 111.453
H5 C1 H6 110.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 O -0.235      
3 O -0.133      
4 H 0.178      
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
  2.664 -1.483 0.000 3.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.298 -0.529 0.000
y -0.529 -18.143 0.000
z 0.000 0.000 -16.844
Traceless
 xyz
x 0.195 -0.529 0.000
y -0.529 -1.072 0.000
z 0.000 0.000 0.877
Polar
3z2-r21.754
x2-y20.845
xy-0.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.212 0.114 0.000
y 0.114 2.223 0.000
z 0.000 0.000 2.007


<r2> (average value of r2) Å2
<r2> 43.861
(<r2>)1/2 6.623