return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: SVWN/aug-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 SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-150.237204
Energy at 298.15K-150.238305
HF Energy-150.237204
Nuclear repulsion energy32.420555
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 SVWN/aug-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' 3411 3384 12.65      
2 A' 1390 1379 31.37      
3 A' 1179 1170 18.58      

Unscaled Zero Point Vibrational Energy (zpe) 2989.9 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 2966.3 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 SVWN/aug-cc-pVTZ
ABC
20.23660 1.15349 1.09128

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.056 -0.600 0.000
O2 0.056 0.709 0.000
H3 -0.897 -0.872 0.000

Atom - Atom Distances (Å)
  O1 O2 H3
O11.30980.9910
O21.30981.8467
H30.99101.8467

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 105.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.020      
2 O -0.218      
3 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.686 -1.634 0.000 2.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.174 1.658 0.000
y 1.658 -11.156 0.000
z 0.000 0.000 -11.229
Traceless
 xyz
x 1.018 1.658 0.000
y 1.658 -0.455 0.000
z 0.000 0.000 -0.563
Polar
3z2-r2-1.127
x2-y20.982
xy1.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.865 0.275 0.000
y 0.275 2.740 0.000
z 0.000 0.000 1.487


<r2> (average value of r2) Å2
<r2> 15.304
(<r2>)1/2 3.912