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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-189.207062
Energy at 298.15K-189.210849
HF Energy-189.207062
Nuclear repulsion energy75.926647
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/6-31G**
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' 3319 2996 21.41      
2 A' 3214 2901 29.07      
3 A' 1630 1472 8.80      
4 A' 1598 1442 2.56      
5 A' 1336 1206 12.09      
6 A' 1279 1154 66.03      
7 A' 1061 958 30.67      
8 A' 535 483 4.57      
9 A" 3303 2981 36.56      
10 A" 1614 1456 4.84      
11 A" 1271 1147 2.60      
12 A" 178 161 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 10168.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9177.8 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 HF/6-31G**
ABC
1.80035 0.38975 0.34098

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.982 -0.463 0.000
O2 0.000 0.558 0.000
O3 -1.199 0.052 0.000
H4 1.934 0.047 0.000
H5 0.883 -1.073 0.888
H6 0.883 -1.073 -0.888

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41682.24031.08051.08181.0818
O21.41681.30142.00072.05682.0568
O32.24031.30143.13282.52722.5272
H41.08052.00073.13281.77451.7745
H51.08182.05682.52721.77451.7757
H61.08182.05682.52721.77451.7757

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 110.938 O2 C1 H4 105.684
O2 C1 H5 110.084 O2 C1 H6 110.084
H4 C1 H5 110.293 H4 C1 H6 110.293
H5 C1 H6 110.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 O -0.304      
3 O -0.079      
4 H 0.140      
5 H 0.134      
6 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.036 -1.370 0.000 2.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.916 -0.450 0.000
y -0.450 -18.116 0.000
z 0.000 0.000 -16.834
Traceless
 xyz
x 0.559 -0.450 0.000
y -0.450 -1.242 0.000
z 0.000 0.000 0.682
Polar
3z2-r21.364
x2-y21.201
xy-0.450
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.550 0.095 0.000
y 0.095 2.265 0.000
z 0.000 0.000 2.221


<r2> (average value of r2) Å2
<r2> 41.061
(<r2>)1/2 6.408