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

using model chemistry: PBEPBE/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-150.768024
Energy at 298.15K-150.769120
HF Energy-150.768024
Nuclear repulsion energy31.968492
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(2df,p)
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' 3399 3364 3.31      
2 A' 1402 1387 32.22      
3 A' 1134 1122 17.74      

Unscaled Zero Point Vibrational Energy (zpe) 2967.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2936.6 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(2df,p)
ABC
20.09088 1.11686 1.05804

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.056 -0.609 0.000
O2 0.056 0.719 0.000
H3 -0.892 -0.879 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.32720.9850
O21.32721.8570
H30.98501.8570

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 105.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.154      
2 O -0.176      
3 H 0.330      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.612 -1.456 0.000 2.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.614 1.550 0.000
y 1.550 -10.477 0.000
z 0.000 0.000 -10.671
Traceless
 xyz
x 0.961 1.550 0.000
y 1.550 -0.335 0.000
z 0.000 0.000 -0.626
Polar
3z2-r2-1.252
x2-y20.864
xy1.550
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.331 0.282 0.000
y 0.282 2.215 0.000
z 0.000 0.000 0.955


<r2> (average value of r2) Å2
<r2> 15.175
(<r2>)1/2 3.896