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

using model chemistry: QCISD/TZVP

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 QCISD/TZVP
 hartrees
Energy at 0K-107.201117
Energy at 298.15K-107.201178
HF Energy-106.976466
Nuclear repulsion energy8.882487
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/TZVP
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 877 837 146.38      

Unscaled Zero Point Vibrational Energy (zpe) 438.3 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 418.7 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/TZVP
B
1.27158

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

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 -1.206

Atom - Atom Distances (Å)
  F1 Li2
F11.6085
Li21.6085

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