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 ClOO (chloroperoxy radical)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-610.513044
Energy at 298.15K-610.513556
HF Energy-610.513044
Nuclear repulsion energy88.010352
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 BLYP/aug-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' 1382 1380 242.70      
2 A' 488 487 35.16      
3 A' 277 276 22.02      

Unscaled Zero Point Vibrational Energy (zpe) 1073.1 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 1071.1 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 BLYP/aug-cc-pVDZ
ABC
2.50624 0.16675 0.15635

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.570 -1.011 0.000
O2 0.000 0.960 0.000
O3 1.210 1.188 0.000

Atom - Atom Distances (Å)
  Cl1 O2 O3
Cl12.05172.8292
O22.05171.2318
O32.82921.2318

picture of chloroperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 O3 116.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.020      
2 O 0.065      
3 O -0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.359 0.959 0.000 1.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.661 0.225 0.000
y 0.225 -22.061 0.000
z 0.000 0.000 -23.377
Traceless
 xyz
x -0.942 0.225 0.000
y 0.225 1.458 0.000
z 0.000 0.000 -0.516
Polar
3z2-r2-1.031
x2-y2-1.600
xy0.225
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.193 2.414 0.000
y 2.414 7.053 0.000
z 0.000 0.000 3.110


<r2> (average value of r2) Å2
<r2> 67.664
(<r2>)1/2 8.226