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

using model chemistry: ROHF/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 ROHF/6-31+G**
 hartrees
Energy at 0K-150.175856
Energy at 298.15K-150.176969
HF Energy-150.175856
Nuclear repulsion energy32.620262
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 ROHF/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' 4087 3498 69.12      
2 A' 1601 1371 51.59      
3 A' 1251 1071 41.78      

Unscaled Zero Point Vibrational Energy (zpe) 3469.7 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 2969.7 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 ROHF/6-31+G**
ABC
22.03759 1.15331 1.09595

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.054 -0.602 0.000
O2 0.054 0.709 0.000
H3 -0.859 -0.864 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.31100.9493
O21.31101.8186
H30.94931.8186

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 106.026
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.341      
2 O -0.036      
3 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.882 -0.935 0.000 2.101
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.851 1.843 -0.001
y 1.843 -10.975 -0.002
z -0.001 -0.002 -10.927
Traceless
 xyz
x 1.100 1.843 -0.001
y 1.843 -0.586 -0.002
z -0.001 -0.002 -0.514
Polar
3z2-r2-1.028
x2-y21.124
xy1.843
xz-0.001
yz-0.002


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


<r2> (average value of r2) Å2
<r2> 15.062
(<r2>)1/2 3.881