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All results from a given calculation for HO2 (Hydroperoxy 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-150.113785
Energy at 298.15K-150.114843
HF Energy-150.113785
Nuclear repulsion energy31.161190
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' 3939 3556 54.68      
2 A' 1521 1373 50.91      
3 A' 898 810 24.19      

Unscaled Zero Point Vibrational Energy (zpe) 3178.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 2869.8 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
21.87930 1.03784 0.99084

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)
O1 0.053 -0.622 0.000
O2 0.053 0.742 0.000
H3 -0.842 -0.963 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.36350.9576
O21.36351.9257
H30.95761.9257

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 110.910
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.420      
2 O -0.021      
3 H 0.441      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.212 -0.781 0.000 2.345
CHELPG -2.165 -0.771 0.000 2.298
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.877 2.055 0.000
y 2.055 -11.175 0.000
z 0.000 0.000 -10.831
Traceless
 xyz
x 1.126 2.055 0.000
y 2.055 -0.821 0.000
z 0.000 0.000 -0.305
Polar
3z2-r2-0.610
x2-y21.299
xy2.055
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.767 0.261 0.000
y 0.261 2.033 0.000
z 0.000 0.000 0.454


<r2> (average value of r2) Å2
<r2> 15.951
(<r2>)1/2 3.994