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: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-608.587555
Energy at 298.15K-608.588160
Nuclear repulsion energy90.948744
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/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' 1515 1486 229.61      
2 A' 547 537 51.80      
3 A' 322 316 24.08      

Unscaled Zero Point Vibrational Energy (zpe) 1191.6 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 1169.3 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 LSDA/6-31G*
ABC
2.58165 0.18051 0.16872

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.564 -0.960 0.000
O2 0.000 0.919 0.000
O3 1.198 1.122 0.000

Atom - Atom Distances (Å)
  Cl1 O2 O3
Cl11.96162.7273
O21.96161.2151
O32.72731.2151

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 116.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.018      
2 O 0.001      
3 O 0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.322 0.824 0.000 0.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.096 0.196 0.000
y 0.196 -21.591 0.000
z 0.000 0.000 -22.652
Traceless
 xyz
x -0.975 0.196 0.000
y 0.196 1.284 0.000
z 0.000 0.000 -0.309
Polar
3z2-r2-0.617
x2-y2-1.506
xy0.196
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.580 2.271 0.000
y 2.271 5.196 0.000
z 0.000 0.000 1.473


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000