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

using model chemistry: MP2/6-31+G**

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 MP2/6-31+G**
 hartrees
Energy at 0K-107.145252
Energy at 298.15K-107.145308
HF Energy-106.946028
Nuclear repulsion energy8.878541
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 MP2/6-31+G**
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 865 813 157.23      

Unscaled Zero Point Vibrational Energy (zpe) 432.2 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 406.6 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 MP2/6-31+G**
B
1.27045

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.402
Li2 0.000 0.000 -1.207

Atom - Atom Distances (Å)
  F1 Li2
F11.6092
Li21.6092

picture of lithium fluoride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability