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

using model chemistry: TPSSh/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at TPSSh/aug-cc-pVQZ
 hartrees
Energy at 0K-215.035409
Energy at 298.15K 
HF Energy-215.035409
Nuclear repulsion energy51.518753
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 TPSSh/aug-cc-pVQZ
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 667 667 0.00 6.15 0.01 0.02
2 Ag 363 363 0.00 0.30 0.12 0.21
3 B1u 667 667 288.30 0.00 0.01 0.02
4 B2u 570 570 265.42 0.00 0.00 0.00
5 B3g 555 555 0.00 0.39 0.75 0.86
6 B3u 286 286 190.92 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1553.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1553.9 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 TPSSh/aug-cc-pVQZ
ABC
0.98881 0.25305 0.20149

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.102 0.000
Li2 0.000 -1.102 0.000
F3 0.000 0.000 1.324
F4 0.000 0.000 -1.324

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.20451.72281.7228
Li22.20451.72281.7228
F31.72281.72282.6482
F41.72281.72282.6482

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 79.552 Li1 F4 Li2 79.552
F3 Li1 F4 100.448 F3 Li2 F4 100.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.888      
2 Li 0.888      
3 F -0.888      
4 F -0.888      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.567 0.000 0.000
y 0.000 2.714 0.000
z 0.000 0.000 2.543


<r2> (average value of r2) Å2
<r2> 48.089
(<r2>)1/2 6.935