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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-199.042360
Energy at 298.15K-199.042356
HF Energy-198.672199
Nuclear repulsion energy30.065393
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 QCISD/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 969 923 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 484.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 461.3 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 QCISD/6-31G*
B
0.87311

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.713
F2 0.000 0.000 -0.713

Atom - Atom Distances (Å)
  F1 F2
F11.4257
F21.4257

picture of Fluorine diatomic state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability