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

using model chemistry: HSEh1PBE/daug-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 HSEh1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-214.816522
Energy at 298.15K 
HF Energy-214.816522
Nuclear repulsion energy51.546480
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/daug-cc-pVTZ
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 673 673 0.00 5.08 0.01 0.02
2 Ag 363 363 0.00 0.25 0.14 0.25
3 B1u 678 678 294.06 0.00 0.00 0.00
4 B2u 575 575 270.69 0.00 0.00 0.00
5 B3g 565 565 0.00 0.31 0.75 0.86
6 B3u 286 286 195.77 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1570.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1570.1 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/daug-cc-pVTZ
ABC
0.98714 0.25363 0.20179

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVTZ

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 1.323
F4 0.000 0.000 -1.323

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.20641.72231.7223
Li22.20641.72231.7223
F31.72231.72232.6452
F41.72231.72232.6452

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 79.664 Li1 F4 Li2 79.664
F3 Li1 F4 100.336 F3 Li2 F4 100.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.595      
2 Li 0.595      
3 F -0.595      
4 F -0.595      


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 -14.351 0.000 0.000
y 0.000 -3.344 0.000
z 0.000 0.000 -26.600
Traceless
 xyz
x 0.621 0.000 0.000
y 0.000 17.132 0.000
z 0.000 0.000 -17.753
Polar
3z2-r2-35.505
x2-y2-11.007
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.455 0.000 0.000
y 0.000 2.596 0.000
z 0.000 0.000 2.460


<r2> (average value of r2) Å2
<r2> 48.010
(<r2>)1/2 6.929