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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-214.740559
Energy at 298.15K 
HF Energy-214.740559
Nuclear repulsion energy51.353735
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 HSEh1PBE/6-31+G**
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 664 634 0.00 2.46 0.04 0.07
2 Ag 362 346 0.00 0.29 0.34 0.51
3 B1u 665 635 299.66 0.00 0.00 0.00
4 B2u 566 541 293.15 0.00 0.00 0.00
5 B3g 565 539 0.00 0.32 0.75 0.86
6 B3u 292 279 209.51 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1557.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1486.8 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 HSEh1PBE/6-31+G**
ABC
0.95962 0.25408 0.20089

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.119 0.000
Li2 0.000 -1.119 0.000
F3 0.000 0.000 1.321
F4 0.000 0.000 -1.321

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.23781.73151.7315
Li22.23781.73151.7315
F31.73151.73152.6428
F41.73151.73152.6428

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 80.512 Li1 F4 Li2 80.512
F3 Li1 F4 99.488 F3 Li2 F4 99.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.607      
2 Li 0.607      
3 F -0.607      
4 F -0.607      


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 -14.721 0.000 0.000
y 0.000 -3.153 0.000
z 0.000 0.000 -27.328
Traceless
 xyz
x 0.519 0.000 0.000
y 0.000 17.872 0.000
z 0.000 0.000 -18.391
Polar
3z2-r2-36.782
x2-y2-11.568
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.103 0.000 0.000
y 0.000 2.421 0.000
z 0.000 0.000 2.121


<r2> (average value of r2) Å2
<r2> 48.353
(<r2>)1/2 6.954