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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-150.709514
Energy at 298.15K-150.710579
HF Energy-150.709514
Nuclear repulsion energy30.458455
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/6-31G
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' 3260 3215 2.22      
2 A' 1331 1312 34.39      
3 A' 967 954 17.28      

Unscaled Zero Point Vibrational Energy (zpe) 2778.9 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 2740.6 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 PBEPBE/6-31G
ABC
19.45987 1.00243 0.95332

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.057 -0.647 0.000
O2 0.057 0.761 0.000
H3 -0.913 -0.913 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.40761.0058
O21.40761.9342
H31.00581.9342

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 105.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.270      
2 O -0.132      
3 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.065 -1.416 0.000 2.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.863 1.855 0.000
y 1.855 -10.887 0.000
z 0.000 0.000 -10.858
Traceless
 xyz
x 1.010 1.855 0.000
y 1.855 -0.527 0.000
z 0.000 0.000 -0.483
Polar
3z2-r2-0.965
x2-y21.024
xy1.855
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.952 0.334 0.000
y 0.334 2.258 0.000
z 0.000 0.000 0.446


<r2> (average value of r2) Å2
<r2> 16.276
(<r2>)1/2 4.034