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

using model chemistry: mPW1PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-150.926022
Energy at 298.15K-150.927130
HF Energy-150.926022
Nuclear repulsion energy32.475885
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/cc-pVTZ
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' 3666 3517 25.70      
2 A' 1461 1402 39.70      
3 A' 1217 1167 33.44      

Unscaled Zero Point Vibrational Energy (zpe) 3172.2 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 3042.8 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 mPW1PW91/cc-pVTZ
ABC
20.94127 1.15083 1.09088

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.602 0.000
O2 0.055 0.710 0.000
H3 -0.881 -0.861 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.31260.9710
O21.31261.8290
H30.97101.8290

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 105.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.073      
2 O -0.156      
3 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.707 -1.398 0.000 2.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.737 1.617 0.000
y 1.617 -10.770 0.000
z 0.000 0.000 -10.780
Traceless
 xyz
x 1.038 1.617 0.000
y 1.617 -0.512 0.000
z 0.000 0.000 -0.526
Polar
3z2-r2-1.052
x2-y21.033
xy1.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.220 0.233 0.000
y 0.233 2.288 0.000
z 0.000 0.000 0.898


<r2> (average value of r2) Å2
<r2> 15.018
(<r2>)1/2 3.875