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 F2 (Fluorine diatomic)

using model chemistry: B97D3/6-311G*

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 B97D3/6-311G*
 hartrees
Energy at 0K-199.474138
Energy at 298.15K 
HF Energy-199.474138
Nuclear repulsion energy30.138083
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 B97D3/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 930 930 0.00 6.68 0.35 0.52

Unscaled Zero Point Vibrational Energy (zpe) 464.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 464.9 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 B97D3/6-311G*
B
0.87734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.711
F2 0.000 0.000 -0.711

Atom - Atom Distances (Å)
  F1 F2
F11.4222
F21.4222

picture of Fluorine diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* 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 -9.458 0.000 0.000
y 0.000 -9.458 0.000
z 0.000 0.000 -8.660
Traceless
 xyz
x -0.399 0.000 0.000
y 0.000 -0.399 0.000
z 0.000 0.000 0.798
Polar
3z2-r21.595
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 0.253 0.000 0.000
y 0.000 0.253 0.000
z 0.000 0.000 1.460


<r2> (average value of r2) Å2
<r2> 14.843
(<r2>)1/2 3.853