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: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-1070.273714
Energy at 298.15K-1070.274604
HF Energy-1070.033949
Nuclear repulsion energy201.772548
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 B2PLYP/6-311G**
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 907 907 59.37      
2 A 508 508 34.55      
3 A 244 244 23.52      
4 A 122 122 2.92      
5 B 578 578 65.93      
6 B 386 386 67.69      

Unscaled Zero Point Vibrational Energy (zpe) 1371.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1371.9 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 B2PLYP/6-311G**
ABC
0.42127 0.07183 0.06395

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.325 0.569 0.852
O2 -0.325 -0.569 0.852
Cl3 -0.325 1.747 -0.401
Cl4 0.325 -1.747 -0.401

Atom - Atom Distances (Å)
  O1 O2 Cl3 Cl4
O11.31141.83892.6338
O21.31142.63381.8389
Cl31.83892.63383.5546
Cl42.63381.83893.5546

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 112.372 O2 O1 Cl3 112.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.110      
2 O -0.110      
3 Cl 0.110      
4 Cl 0.110      


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 -0.400 0.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.414 -1.091 0.000
y -1.091 -34.729 0.000
z 0.000 0.000 -35.283
Traceless
 xyz
x -1.409 -1.091 0.000
y -1.091 1.119 0.000
z 0.000 0.000 0.289
Polar
3z2-r20.578
x2-y2-1.685
xy-1.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.575 -1.398 0.000
y -1.398 9.734 0.000
z 0.000 0.000 4.072


<r2> (average value of r2) Å2
<r2> 153.523
(<r2>)1/2 12.390