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

using model chemistry: TPSSh/6-311G*

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/6-311G*
 hartrees
Energy at 0K-214.995990
Energy at 298.15K 
HF Energy-214.995990
Nuclear repulsion energy51.476110
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/6-311G*
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 690 665 0.00 5.28 0.08 0.16
2 Ag 364 350 0.00 0.38 0.45 0.62
3 B1u 697 672 238.16 0.00 0.00 0.00
4 B2u 588 566 274.36 0.00 0.00 0.00
5 B3g 582 560 0.00 0.68 0.75 0.86
6 B3u 286 276 188.40 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1603.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1544.6 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 TPSSh/6-311G*
ABC
0.97109 0.25448 0.20164

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.112 0.000
Li2 0.000 -1.112 0.000
F3 0.000 0.000 1.320
F4 0.000 0.000 -1.320

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.22451.72641.7264
Li22.22451.72641.7264
F31.72641.72642.6408
F41.72641.72642.6408

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 80.221 Li1 F4 Li2 80.221
F3 Li1 F4 99.779 F3 Li2 F4 99.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.572      
2 Li 0.572      
3 F -0.572      
4 F -0.572      


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 1.928 0.000 0.000
y 0.000 2.573 0.000
z 0.000 0.000 1.784


<r2> (average value of r2) Å2
<r2> 47.858
(<r2>)1/2 6.918