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All results from a given calculation for Cl2 (Chlorine diatomic)

using model chemistry: B2PLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-920.021917
Energy at 298.15K-920.021868
HF Energy-919.936404
Nuclear repulsion energy75.349997
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 530 530 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 264.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 264.8 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/6-31G**
B
0.23405

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.015
Cl2 0.000 0.000 -1.015

Atom - Atom Distances (Å)
  Cl1 Cl2
Cl12.0296
Cl22.0296

picture of Chlorine diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.000      
2 Cl 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.449 0.000 0.000
y 0.000 -25.449 0.000
z 0.000 0.000 -22.529
Traceless
 xyz
x -1.460 0.000 0.000
y 0.000 -1.460 0.000
z 0.000 0.000 2.920
Polar
3z2-r25.840
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.571 0.000 0.000
y 0.000 1.571 0.000
z 0.000 0.000 4.974


<r2> (average value of r2) Å2
<r2> 50.302
(<r2>)1/2 7.092