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

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-149.330737
Energy at 298.15K-149.331822
HF Energy-149.330737
Nuclear repulsion energy30.445136
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 LSDA/3-21G
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' 3112 3061 1.70      
2 A' 1303 1282 25.63      
3 A' 1095 1077 25.07      

Unscaled Zero Point Vibrational Energy (zpe) 2754.8 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 2709.6 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 LSDA/3-21G
ABC
18.51706 1.00861 0.95651

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.056 -0.633 0.000
O2 0.056 0.752 0.000
H3 -0.901 -0.949 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.38501.0084
O21.38501.9519
H31.00841.9519

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 108.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.252      
2 O -0.139      
3 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.022 -1.390 0.000 2.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.338 1.768 0.000
y 1.768 -10.462 0.000
z 0.000 0.000 -10.450
Traceless
 xyz
x 1.118 1.768 0.000
y 1.768 -0.568 0.000
z 0.000 0.000 -0.550
Polar
3z2-r2-1.101
x2-y21.124
xy1.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.876 0.360 0.000
y 0.360 1.916 0.000
z 0.000 0.000 0.342


<r2> (average value of r2) Å2
<r2> 15.964
(<r2>)1/2 3.996