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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-189.250822
Energy at 298.15K-189.254635
HF Energy-189.250822
Nuclear repulsion energy76.240905
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 HF/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' 3323 3005 25.89      
2 A' 3218 2911 32.71      
3 A' 1639 1482 10.96      
4 A' 1606 1452 1.69      
5 A' 1350 1221 16.88      
6 A' 1293 1169 64.53      
7 A' 1067 965 33.16      
8 A' 541 489 4.80      
9 A" 3300 2984 45.12      
10 A" 1621 1466 6.55      
11 A" 1285 1162 3.11      
12 A" 188 170 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 10215.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 9238.6 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 HF/6-311G*
ABC
1.82590 0.39176 0.34342

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.978 -0.468 0.000
O2 0.000 0.554 0.000
O3 -1.193 0.061 0.000
H4 1.930 0.040 0.000
H5 0.875 -1.076 0.888
H6 0.875 -1.076 -0.888

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41382.23441.07911.08101.0810
O21.41381.29091.99692.05172.0517
O32.23441.29093.12312.52182.5218
H41.07911.99693.12311.77371.7737
H51.08102.05172.52181.77371.7752
H61.08102.05172.52181.77371.7752

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 111.320 O2 C1 H4 105.672
O2 C1 H5 109.942 O2 C1 H6 109.942
H4 C1 H5 110.396 H4 C1 H6 110.396
H5 C1 H6 110.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.353      
2 O -0.228      
3 O -0.076      
4 H 0.222      
5 H 0.218      
6 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.033 -1.370 0.000 2.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.102 -0.455 0.000
y -0.455 -18.222 0.000
z 0.000 0.000 -16.809
Traceless
 xyz
x 0.414 -0.455 0.000
y -0.455 -1.267 0.000
z 0.000 0.000 0.853
Polar
3z2-r21.706
x2-y21.120
xy-0.455
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.545 0.095 0.000
y 0.095 2.244 0.000
z 0.000 0.000 2.179


<r2> (average value of r2) Å2
<r2> 40.923
(<r2>)1/2 6.397