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

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-106.488436
Energy at 298.15K-106.488533
HF Energy-106.354145
Nuclear repulsion energy9.335821
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=FULL/3-21G*
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 1058 1003 70.68      

Unscaled Zero Point Vibrational Energy (zpe) 528.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 501.3 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 MP2=FULL/3-21G*
B
1.40468

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.383
Li2 0.000 0.000 -1.148

Atom - Atom Distances (Å)
  F1 Li2
F11.5304
Li21.5304

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