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

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-215.039232
Energy at 298.15K 
HF Energy-215.039232
Nuclear repulsion energy51.389410
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 B3LYP/6-311+G(3df,2p)
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 668 646 0.00 4.53 0.02 0.04
2 Ag 365 353 0.00 0.26 0.21 0.34
3 B1u 674 652 293.49 0.00 0.00 0.00
4 B2u 568 549 269.76 0.00 0.00 0.00
5 B3g 561 542 0.00 0.40 0.75 0.86
6 B3u 289 280 194.28 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1562.8 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 1511.2 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 B3LYP/6-311+G(3df,2p)
ABC
0.98686 0.25144 0.20039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.103 0.000
Li2 0.000 -1.103 0.000
F3 0.000 0.000 1.328
F4 0.000 0.000 -1.328

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.20671.72681.7268
Li22.20671.72681.7268
F31.72681.72682.6566
F41.72681.72682.6566

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 79.428 Li1 F4 Li2 79.428
F3 Li1 F4 100.572 F3 Li2 F4 100.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.686      
2 Li 0.686      
3 F -0.686      
4 F -0.686      


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 -14.539 0.000 0.000
y 0.000 -3.486 0.000
z 0.000 0.000 -26.768
Traceless
 xyz
x 0.588 0.000 0.000
y 0.000 17.167 0.000
z 0.000 0.000 -17.756
Polar
3z2-r2-35.511
x2-y2-11.053
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.412 0.000 0.000
y 0.000 2.626 0.000
z 0.000 0.000 2.397


<r2> (average value of r2) Å2
<r2> 48.390
(<r2>)1/2 6.956