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

using model chemistry: HF/aug-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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-214.065672
Energy at 298.15K 
HF Energy-214.065672
Nuclear repulsion energy51.819009
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 HF/aug-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 691 629 0.00 1.84 0.01 0.03
2 Ag 380 346 0.00 0.14 0.13 0.23
3 B1u 701 638 317.50 0.00 0.00 0.00
4 B2u 594 541 294.30 0.00 0.00 0.00
5 B3g 583 531 0.00 0.17 0.75 0.86
6 B3u 302 275 221.21 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1625.9 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 1480.3 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 HF/aug-cc-pVTZ
ABC
0.99295 0.25685 0.20407

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.100 0.000
Li2 0.000 -1.100 0.000
F3 0.000 0.000 1.314
F4 0.000 0.000 -1.314

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.19991.71381.7138
Li22.19991.71381.7138
F31.71381.71382.6285
F41.71381.71382.6285

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 79.854 Li1 F4 Li2 79.854
F3 Li1 F4 100.146 F3 Li2 F4 100.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.795      
2 Li 0.795      
3 F -0.795      
4 F -0.795      


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 -13.755 0.000 0.000
y 0.000 -2.628 0.000
z 0.000 0.000 -26.480
Traceless
 xyz
x 0.798 0.000 0.000
y 0.000 17.490 0.000
z 0.000 0.000 -18.288
Polar
3z2-r2-36.576
x2-y2-11.128
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.890 0.000 0.000
y 0.000 1.977 0.000
z 0.000 0.000 1.924


<r2> (average value of r2) Å2
<r2> 47.274
(<r2>)1/2 6.876