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All results from a given calculation for HO2 (Hydroperoxy radical)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-150.795409
Energy at 298.15K-150.796504
HF Energy-150.795409
Nuclear repulsion energy31.908197
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 PBEPBE/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' 3365 3330 0.09      
2 A' 1433 1418 26.50      
3 A' 1117 1105 15.75      

Unscaled Zero Point Vibrational Energy (zpe) 2957.2 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 2926.5 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 PBEPBE/6-311G*
ABC
20.34056 1.11065 1.05314

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.608 0.000
O2 0.055 0.722 0.000
H3 -0.883 -0.906 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.32970.9840
O21.32971.8786
H30.98401.8786

picture of Hydroperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 O1 H3 107.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.259      
2 O -0.146      
3 H 0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.871 -1.523 0.000 2.412
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.822 1.719 0.000
y 1.719 -10.824 0.000
z 0.000 0.000 -10.845
Traceless
 xyz
x 1.013 1.719 0.000
y 1.719 -0.491 0.000
z 0.000 0.000 -0.522
Polar
3z2-r2-1.044
x2-y21.003
xy1.719
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.040 0.298 0.000
y 0.298 2.147 0.000
z 0.000 0.000 0.641


<r2> (average value of r2) Å2
<r2> 15.374
(<r2>)1/2 3.921