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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-214.938292
Energy at 298.15K 
HF Energy-214.938292
Nuclear repulsion energy51.228834
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 B3PW91/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 359 346 0.00      
2 Ag 665 639 0.00      
3 B1u 673 647 271.52      
4 B2u 563 542 275.37      
5 B3g 555 534 0.00      
6 B3u 286 275 195.64      

Unscaled Zero Point Vibrational Energy (zpe) 1550.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 1491.4 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 B3PW91/cc-pVTZ
ABC
0.97398 0.25063 0.19934

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.111 0.000
Li2 0.000 -1.111 0.000
F3 0.000 0.000 1.330
F4 0.000 0.000 -1.330

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.22121.73311.7331
Li22.22121.73311.7331
F31.73311.73312.6609
F41.73311.73312.6609

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 79.707 Li1 F4 Li2 79.707
F3 Li1 F4 100.293 F3 Li2 F4 100.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.454      
2 Li 0.454      
3 F -0.454      
4 F -0.454      


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 -14.455 0.000 0.000
y 0.000 -3.177 0.000
z 0.000 0.000 -26.448
Traceless
 xyz
x 0.357 0.000 0.000
y 0.000 17.275 0.000
z 0.000 0.000 -17.632
Polar
3z2-r2-35.263
x2-y2-11.278
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.278 0.000 0.000
y 0.000 2.577 0.000
z 0.000 0.000 2.148


<r2> (average value of r2) Å2
<r2> 48.441
(<r2>)1/2 6.960