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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-150.188805
Energy at 298.15K-150.189921
HF Energy-150.188805
Nuclear repulsion energy32.880480
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(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' 4066 3682 56.58      
2 A' 1620 1467 59.39      
3 A' 1269 1149 45.18      

Unscaled Zero Point Vibrational Energy (zpe) 3477.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 3148.7 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(2df,p)
ABC
22.11202 1.17427 1.11506

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.054 -0.598 0.000
O2 0.054 0.704 0.000
H3 -0.858 -0.855 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.30190.9472
O21.30191.8063
H30.94721.8063

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 105.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.264      
2 O -0.104      
3 H 0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.721 -0.995 0.000 1.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.594 1.693 0.000
y 1.693 -10.569 0.000
z 0.000 0.000 -10.656
Traceless
 xyz
x 1.019 1.693 0.000
y 1.693 -0.444 0.000
z 0.000 0.000 -0.575
Polar
3z2-r2-1.149
x2-y20.975
xy1.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.157 0.193 0.000
y 0.193 1.934 0.000
z 0.000 0.000 0.931


<r2> (average value of r2) Å2
<r2> 14.728
(<r2>)1/2 3.838