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/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-608.691204
Energy at 298.15K-608.691829
HF Energy-608.691204
Nuclear repulsion energy91.849451
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/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' 1466 1450 243.97      
2 A' 556 550 58.96      
3 A' 327 323 28.56      

Unscaled Zero Point Vibrational Energy (zpe) 1174.5 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 1161.7 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/cc-pVTZ
ABC
2.63151 0.18435 0.17228

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.560 -0.948 0.000
O2 0.000 0.906 0.000
O3 1.190 1.109 0.000

Atom - Atom Distances (Å)
  Cl1 O2 O3
Cl11.93722.7008
O21.93721.2073
O32.70081.2073

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 116.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.065      
2 O 0.059      
3 O 0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.198 0.666 0.000 0.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.445 0.164 0.000
y 0.164 -21.733 0.000
z 0.000 0.000 -22.862
Traceless
 xyz
x -1.147 0.164 0.000
y 0.164 1.420 0.000
z 0.000 0.000 -0.273
Polar
3z2-r2-0.545
x2-y2-1.712
xy0.164
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.076 2.254 0.000
y 2.254 5.590 0.000
z 0.000 0.000 1.932


<r2> (average value of r2) Å2
<r2> 62.520
(<r2>)1/2 7.907