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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-150.901000
Energy at 298.15K-150.902109
HF Energy-150.901000
Nuclear repulsion energy32.510612
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 mPW1PW91/6-311G*
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' 3632 3466 8.31      
2 A' 1512 1443 34.12      
3 A' 1225 1169 30.48      

Unscaled Zero Point Vibrational Energy (zpe) 3184.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 3039.5 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 mPW1PW91/6-311G*
ABC
21.20177 1.15263 1.09320

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.600 0.000
O2 0.055 0.710 0.000
H3 -0.876 -0.878 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.31000.9717
O21.31001.8404
H30.97171.8404

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 106.586
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.293      
2 O -0.130      
3 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.913 -1.427 0.000 2.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.729 1.761 0.000
y 1.761 -10.818 0.000
z 0.000 0.000 -10.764
Traceless
 xyz
x 1.062 1.761 0.000
y 1.761 -0.572 0.000
z 0.000 0.000 -0.490
Polar
3z2-r2-0.981
x2-y21.089
xy1.761
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.971 0.265 0.000
y 0.265 2.083 0.000
z 0.000 0.000 0.637


<r2> (average value of r2) Å2
<r2> 15.017
(<r2>)1/2 3.875