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

using model chemistry: ROHF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-150.182698
Energy at 298.15K-150.183810
HF Energy-150.182698
Nuclear repulsion energy32.701894
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/cc-pVDZ
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' 4051 3487 71.30      
2 A' 1601 1378 51.18      
3 A' 1230 1059 39.86      

Unscaled Zero Point Vibrational Energy (zpe) 3441.0 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 2961.6 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/cc-pVDZ
ABC
21.85219 1.16143 1.10282

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.054 -0.600 0.000
O2 0.054 0.707 0.000
H3 -0.862 -0.858 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.30670.9518
O21.30671.8132
H30.95181.8132

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 105.731
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.124      
2 O -0.067      
3 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.804 -0.902 0.000 2.017
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.583 1.695 -0.001
y 1.695 -10.828 -0.002
z -0.001 -0.002 -10.580
Traceless
 xyz
x 1.121 1.695 -0.001
y 1.695 -0.746 -0.002
z -0.001 -0.002 -0.374
Polar
3z2-r2-0.749
x2-y21.245
xy1.695
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> 14.853
(<r2>)1/2 3.854