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All results from a given calculation for LiF (lithium fluoride)

using model chemistry: CCSD(T)/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-107.202171
Energy at 298.15K 
HF Energy-106.943531
Nuclear repulsion energy9.028740
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 CCSD(T)/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 980 980        

Unscaled Zero Point Vibrational Energy (zpe) 490.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 490.1 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 CCSD(T)/6-31G(2df,p)
B
1.31433

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.396
Li2 0.000 0.000 -1.187

Atom - Atom Distances (Å)
  F1 Li2
F11.5822
Li21.5822

picture of lithium fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability