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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-211.777707
Energy at 298.15K 
HF Energy-211.777707
Nuclear repulsion energy55.102980
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 BLYP/STO-3G
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 856 792 0.00 37.22 0.09 0.17
2 Ag 422 390 0.00 1.43 0.75 0.85
3 B1u 759 702 71.10 0.00 0.00 0.00
4 B2u 827 765 167.30 0.00 0.00 0.00
5 B3g 714 660 0.00 0.02 0.75 0.86
6 B3u 244 226 45.36 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1910.7 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 1767.8 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 BLYP/STO-3G
ABC
0.95364 0.31388 0.23615

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.122 0.000
Li2 0.000 -1.122 0.000
F3 0.000 0.000 1.189
F4 0.000 0.000 -1.189

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.24481.63501.6350
Li22.24481.63501.6350
F31.63501.63502.3778
F41.63501.63502.3778

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 86.704 Li1 F4 Li2 86.704
F3 Li1 F4 93.296 F3 Li2 F4 93.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.042      
2 Li 0.042      
3 F -0.042      
4 F -0.042      


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 -16.672 0.000 0.000
y 0.000 -9.581 0.000
z 0.000 0.000 -18.963
Traceless
 xyz
x -2.400 0.000 0.000
y 0.000 8.237 0.000
z 0.000 0.000 -5.837
Polar
3z2-r2-11.674
x2-y2-7.092
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.819 0.000 0.000
y 0.000 6.007 0.000
z 0.000 0.000 1.513


<r2> (average value of r2) Å2
<r2> 42.415
(<r2>)1/2 6.513