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: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-610.562477
Energy at 298.15K-610.562596
HF Energy-610.562477
Nuclear repulsion energy84.004320
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 B3LYP/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' 1585 1532 199.21      
2 A' 320 309 0.19      
3 A' 118 114 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 1011.3 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 977.5 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 B3LYP/cc-pVTZ
ABC
2.49917 0.14404 0.13619

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.549 -1.131 0.000
O2 0.000 1.073 0.000
O3 1.167 1.331 0.000

Atom - Atom Distances (Å)
  Cl1 O2 O3
Cl12.27153.0009
O22.27151.1951
O33.00091.1951

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 116.437
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.119      
2 O 0.052      
3 O 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.618 1.361 0.000 1.495
CHELPG        
AIM        
ESP 0.813 1.937 0.000 2.100


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.162 0.380 0.000
y 0.380 -21.187 0.000
z 0.000 0.000 -23.019
Traceless
 xyz
x -1.059 0.380 0.000
y 0.380 1.904 0.000
z 0.000 0.000 -0.844
Polar
3z2-r2-1.689
x2-y2-1.975
xy0.380
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.950 2.273 -0.000
y 2.273 6.355 0.000
z -0.000 0.000 1.958


<r2> (average value of r2) Å2
<r2> 75.173
(<r2>)1/2 8.670