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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-214.071402
Energy at 298.15K 
HF Energy-214.071402
Nuclear repulsion energy51.906678
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/Def2TZVPP
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 690 625 0.00 0.81 0.09 0.17
2 Ag 385 349 0.00 0.18 0.26 0.41
3 B1u 694 629 313.76 0.00 0.00 0.00
4 B2u 598 542 308.43 0.00 0.00 0.00
5 B3g 579 525 0.00 0.25 0.75 0.86
6 B3u 307 278 235.07 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1625.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 1473.4 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/Def2TZVPP
ABC
0.97528 0.26019 0.20539

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.110 0.000
Li2 0.000 -1.110 0.000
F3 0.000 0.000 1.306
F4 0.000 0.000 -1.306

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.21981.71381.7138
Li22.21981.71381.7138
F31.71381.71382.6116
F41.71381.71382.6116

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 80.726 Li1 F4 Li2 80.726
F3 Li1 F4 99.274 F3 Li2 F4 99.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.803      
2 Li 0.803      
3 F -0.803      
4 F -0.803      


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 -13.747 0.000 0.000
y 0.000 -2.409 0.000
z 0.000 0.000 -26.729
Traceless
 xyz
x 0.822 0.000 0.000
y 0.000 17.830 0.000
z 0.000 0.000 -18.651
Polar
3z2-r2-37.303
x2-y2-11.339
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.526 0.000 0.000
y 0.000 1.775 0.000
z 0.000 0.000 1.493


<r2> (average value of r2) Å2
<r2> 47.012
(<r2>)1/2 6.857