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 ClOOCl (Dichlorine dioxide)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-1070.181722
Energy at 298.15K-1070.182667
HF Energy-1070.181722
Nuclear repulsion energy195.783653
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 PBEPBE/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 1141 1134 104.60      
2 A 539 535 16.90      
3 A 288 286 10.40      
4 A 109 108 0.20      
5 B 538 535 83.04      
6 B 366 364 83.42      

Unscaled Zero Point Vibrational Energy (zpe) 1490.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1481.0 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 PBEPBE/aug-cc-pVDZ
ABC
0.40532 0.06616 0.05891

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.318 0.542 0.877
O2 -0.318 -0.542 0.877
Cl3 -0.318 1.833 -0.412
Cl4 0.318 -1.833 -0.412

Atom - Atom Distances (Å)
  O1 O2 Cl3 Cl4
O11.25691.93242.7025
O21.25692.70251.9324
Cl31.93242.70253.7215
Cl42.70251.93243.7215

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 114.177 O2 O1 Cl3 114.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.085      
2 O -0.085      
3 Cl 0.085      
4 Cl 0.085      


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 0.496 0.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.103 -0.423 0.000
y -0.423 -36.026 0.000
z 0.000 0.000 -34.568
Traceless
 xyz
x -0.806 -0.423 0.000
y -0.423 -0.691 0.000
z 0.000 0.000 1.497
Polar
3z2-r22.993
x2-y2-0.077
xy-0.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.288 -1.481 0.000
y -1.481 14.059 0.000
z 0.000 0.000 6.441


<r2> (average value of r2) Å2
<r2> 164.333
(<r2>)1/2 12.819