return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-311+G(3df,2p)

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 B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-107.471557
Energy at 298.15K-107.471626
HF Energy-107.471557
Nuclear repulsion energy9.091132
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 B3LYP/6-311+G(3df,2p)
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 907 877 150.21      

Unscaled Zero Point Vibrational Energy (zpe) 453.6 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 438.6 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 B3LYP/6-311+G(3df,2p)
B
1.33202

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.393
Li2 0.000 0.000 -1.179

Atom - Atom Distances (Å)
  F1 Li2
F11.5716
Li21.5716

picture of lithium fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.680      
2 Li 0.680      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -6.225 6.225
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.498 0.000 0.000
y 0.000 -7.498 0.000
z 0.000 0.000 -1.023
Traceless
 xyz
x -3.238 0.000 0.000
y 0.000 -3.238 0.000
z 0.000 0.000 6.475
Polar
3z2-r212.951
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.488 0.000 0.000
y 0.000 1.488 0.000
z 0.000 0.000 1.454


<r2> (average value of r2) Å2
<r2> 8.893
(<r2>)1/2 2.982