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

using model chemistry: LSDA/6-311G*

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/6-311G*
 hartrees
Energy at 0K-189.307382
Energy at 298.15K-189.311017
Nuclear repulsion energy75.527442
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/6-311G*
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' 3097 3046 5.38      
2 A' 2972 2924 7.70      
3 A' 1424 1401 13.61      
4 A' 1386 1364 3.72      
5 A' 1208 1188 4.54      
6 A' 1145 1126 2.09      
7 A' 931 916 4.65      
8 A' 499 491 7.39      
9 A" 3068 3018 7.19      
10 A" 1409 1386 16.84      
11 A" 1089 1071 0.01      
12 A" 151 149 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9189.1 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 9039.4 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/6-311G*
ABC
1.77803 0.38639 0.33830

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.988 -0.465 0.000
O2 0.000 0.560 0.000
O3 -1.202 0.054 0.000
H4 1.960 0.048 0.000
H5 0.862 -1.083 0.902
H6 0.862 -1.083 -0.902

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.42362.25071.09841.10051.1005
O21.42361.30402.02532.06252.0625
O32.25071.30403.16142.52262.5226
H41.09842.02533.16141.81581.8158
H51.10052.06252.52261.81581.8038
H61.10052.06252.52261.81581.8038

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 111.132 O2 C1 H4 106.124
O2 C1 H5 108.920 O2 C1 H6 108.920
H4 C1 H5 111.334 H4 C1 H6 111.334
H5 C1 H6 110.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.535      
2 O -0.066      
3 O -0.179      
4 H 0.253      
5 H 0.264      
6 H 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.614 -1.105 0.000 2.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.893 -0.422 0.000
y -0.422 -18.064 0.000
z 0.000 0.000 -16.983
Traceless
 xyz
x -0.370 -0.422 0.000
y -0.422 -0.626 0.000
z 0.000 0.000 0.996
Polar
3z2-r21.991
x2-y20.171
xy-0.422
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.268 -0.061 0.000
y -0.061 2.588 0.000
z 0.000 0.000 2.399


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