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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-150.855461
Energy at 298.15K-150.856566
HF Energy-150.855461
Nuclear repulsion energy32.239134
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 B3PW91/6-31+G**
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' 3626 3481 27.44      
2 A' 1440 1383 32.88      
3 A' 1205 1157 31.78      

Unscaled Zero Point Vibrational Energy (zpe) 3135.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 3010.2 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 B3PW91/6-31+G**
ABC
20.68786 1.13390 1.07498

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.607 0.000
O2 0.055 0.715 0.000
H3 -0.886 -0.871 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.32210.9783
O21.32211.8451
H30.97831.8451

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 105.689
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.220      
2 O -0.150      
3 H 0.370      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.850 -1.508 0.000 2.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.000 1.770 0.000
y 1.770 -11.028 0.000
z 0.000 0.000 -11.082
Traceless
 xyz
x 1.054 1.770 0.000
y 1.770 -0.487 0.000
z 0.000 0.000 -0.568
Polar
3z2-r2-1.135
x2-y21.027
xy1.770
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.336 0.217 0.000
y 0.217 2.436 0.000
z 0.000 0.000 1.047


<r2> (average value of r2) Å2
<r2> 15.318
(<r2>)1/2 3.914