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

using model chemistry: PBE1PBE/6-311+G(3df,2pd)

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 PBE1PBE/6-311+G(3df,2pd)
 hartrees
Energy at 0K-199.389025
Energy at 298.15K-199.389043
HF Energy-199.389025
Nuclear repulsion energy31.204540
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 PBE1PBE/6-311+G(3df,2pd)
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 1090 1090 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 545.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 545.0 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 PBE1PBE/6-311+G(3df,2pd)
B
0.94053

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2pd)

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.687
F2 0.000 0.000 -0.687

Atom - Atom Distances (Å)
  F1 F2
F11.3736
F21.3736

picture of Fluorine diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2pd) 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 -9.683 0.000 0.000
y 0.000 -9.683 0.000
z 0.000 0.000 -8.820
Traceless
 xyz
x -0.431 0.000 0.000
y 0.000 -0.431 0.000
z 0.000 0.000 0.863
Polar
3z2-r21.725
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 0.808 0.000 0.000
y 0.000 0.808 0.000
z 0.000 0.000 1.697


<r2> (average value of r2) Å2
<r2> 14.359
(<r2>)1/2 3.789