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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-214.971466
Energy at 298.15K 
HF Energy-214.971466
Nuclear repulsion energy50.394230
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 wB97X-D/TZVP
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 638 609 0.00 0.89 0.32 0.49
2 Ag 348 332 0.00 0.66 0.40 0.57
3 B1u 665 635 270.48 0.00 0.00 0.00
4 B2u 550 526 303.73 0.00 0.00 0.00
5 B3g 570 544 0.00 0.01 0.75 0.86
6 B3u 290 277 243.80 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1530.2 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1461.3 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 wB97X-D/TZVP
ABC
0.91881 0.24531 0.19361

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.143 0.000
Li2 0.000 -1.143 0.000
F3 0.000 0.000 1.345
F4 0.000 0.000 -1.345

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.28691.76531.7653
Li22.28691.76531.7653
F31.76531.76532.6897
F41.76531.76532.6897

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 80.747 Li1 F4 Li2 80.747
F3 Li1 F4 99.253 F3 Li2 F4 99.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.781      
2 Li 0.781      
3 F -0.781      
4 F -0.781      


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 -14.342 0.000 0.000
y 0.000 -2.395 0.000
z 0.000 0.000 -28.123
Traceless
 xyz
x 0.917 0.000 0.000
y 0.000 18.837 0.000
z 0.000 0.000 -19.755
Polar
3z2-r2-39.509
x2-y2-11.947
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.325 0.000 0.000
y 0.000 2.069 0.000
z 0.000 0.000 1.488


<r2> (average value of r2) Å2
<r2> 49.740
(<r2>)1/2 7.053