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All results from a given calculation for Li2F2 (Lithium fluoride dimer)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-214.026136
Energy at 298.15K 
HF Energy-214.026136
Nuclear repulsion energy51.074196
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 HF/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 705 634 0.00 1.14 0.16 0.28
2 Ag 373 335 0.00 0.24 0.38 0.55
3 B1u 665 598 271.34 0.00 0.00 0.00
4 B2u 607 546 314.26 0.00 0.00 0.00
5 B3g 589 530 0.00 0.06 0.75 0.86
6 B3u 314 282 289.48 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1625.7 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 1462.9 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 HF/LANL2DZ
ABC
0.87051 0.26167 0.20119

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.175 0.000
Li2 0.000 -1.175 0.000
F3 0.000 0.000 1.302
F4 0.000 0.000 -1.302

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.34951.75371.7537
Li22.34951.75371.7537
F31.75371.75372.6042
F41.75371.75372.6042

picture of Lithium fluoride dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 F3 Li2 84.113 Li1 F4 Li2 84.113
F3 Li1 F4 95.887 F3 Li2 F4 95.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.791      
2 Li 0.791      
3 F -0.791      
4 F -0.791      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.804 0.000 0.000
y 0.000 -1.089 0.000
z 0.000 0.000 -28.258
Traceless
 xyz
x 0.869 0.000 0.000
y 0.000 19.941 0.000
z 0.000 0.000 -20.811
Polar
3z2-r2-41.622
x2-y2-12.715
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.876 0.000 0.000
y 0.000 1.360 0.000
z 0.000 0.000 0.813


<r2> (average value of r2) Å2
<r2> 47.784
(<r2>)1/2 6.913