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All results from a given calculation for ClOOCl (Dichlorine dioxide)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-60.516968
Energy at 298.15K-60.518435
HF Energy-60.516968
Nuclear repulsion energy65.807449
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 HF/CEP-121G*
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 1094 988 9.11      
2 A 834 754 0.09      
3 A 387 350 1.38      
4 A 118 107 0.42      
5 B 838 757 2.60      
6 B 513 463 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 1892.1 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 1709.3 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 HF/CEP-121G*
ABC
0.49812 0.07920 0.07203

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.341 0.593 0.761
O2 -0.341 -0.593 0.761
Cl3 -0.341 1.647 -0.358
Cl4 0.341 -1.647 -0.358

Atom - Atom Distances (Å)
  O1 O2 Cl3 Cl4
O11.36761.68242.5043
O21.36762.50431.6824
Cl31.68242.50433.3642
Cl42.50431.68243.3642

picture of Dichlorine dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 Cl4 109.954 O2 O1 Cl3 109.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.172      
2 O -0.172      
3 Cl 0.172      
4 Cl 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.020 1.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.347 -1.576 0.000
y -1.576 -31.257 0.000
z 0.000 0.000 -33.889
Traceless
 xyz
x -1.774 -1.576 0.000
y -1.576 2.861 0.000
z 0.000 0.000 -1.088
Polar
3z2-r2-2.175
x2-y2-3.090
xy-1.576
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.209 -0.897 0.000
y -0.897 7.068 0.000
z 0.000 0.000 3.957


<r2> (average value of r2) Å2
<r2> 74.693
(<r2>)1/2 8.642