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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-215.023321
Energy at 298.15K 
HF Energy-215.023321
Nuclear repulsion energy51.570469
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 B3LYPultrafine/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 697 674 0.00 4.81 0.09 0.16
2 Ag 367 355 0.00 0.34 0.48 0.65
3 B1u 704 680 240.21 0.00 0.00 0.00
4 B2u 593 573 277.34 0.00 0.00 0.00
5 B3g 585 565 0.00 0.61 0.75 0.86
6 B3u 291 281 188.93 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1618.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1564.2 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 B3LYPultrafine/6-311G*
ABC
0.97782 0.25504 0.20228

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.108 0.000
Li2 0.000 -1.108 0.000
F3 0.000 0.000 1.319
F4 0.000 0.000 -1.319

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.21691.72281.7228
Li22.21691.72281.7228
F31.72281.72282.6378
F41.72281.72282.6378

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 80.088 Li1 F4 Li2 80.088
F3 Li1 F4 99.912 F3 Li2 F4 99.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.561      
2 Li 0.561      
3 F -0.561      
4 F -0.561      


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 -14.354 0.000 0.000
y 0.000 -3.522 0.000
z 0.000 0.000 -25.791
Traceless
 xyz
x 0.302 0.000 0.000
y 0.000 16.551 0.000
z 0.000 0.000 -16.853
Polar
3z2-r2-33.706
x2-y2-10.832
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.872 0.000 0.000
y 0.000 2.526 0.000
z 0.000 0.000 1.739


<r2> (average value of r2) Å2
<r2> 47.775
(<r2>)1/2 6.912