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All results from a given calculation for F2 (Fluorine diatomic)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-199.320804
Energy at 298.15K-199.320810
HF Energy-199.320804
Nuclear repulsion energy30.228804
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/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 1015 1001 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 507.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 500.3 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 PBEPBE/6-31G**
B
0.88263

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.709
F2 0.000 0.000 -0.709

Atom - Atom Distances (Å)
  F1 F2
F11.4180
F21.4180

picture of Fluorine diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F 0.000      
2 F 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 -9.265 0.000 0.000
y 0.000 -9.265 0.000
z 0.000 0.000 -8.317
Traceless
 xyz
x -0.474 0.000 0.000
y 0.000 -0.474 0.000
z 0.000 0.000 0.948
Polar
3z2-r21.896
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 0.453 0.000 0.000
y 0.000 0.453 0.000
z 0.000 0.000 1.429


<r2> (average value of r2) Å2
<r2> 14.637
(<r2>)1/2 3.826