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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-150.508418
Energy at 298.15K-150.509526
HF Energy-150.175674
Nuclear repulsion energy32.187203
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 MP2/6-31G**
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' 3716 3480 30.73      
2 A' 1457 1365 33.53      
3 A' 1234 1156 100.41      

Unscaled Zero Point Vibrational Energy (zpe) 3203.7 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 3000.2 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 MP2/6-31G**
ABC
20.51134 1.12985 1.07087

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.056 -0.610 0.000
O2 0.056 0.716 0.000
H3 -0.892 -0.843 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.32610.9756
O21.32611.8245
H30.97561.8245

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 103.827
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability