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

using model chemistry: wB97X-D/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 wB97X-D/daug-cc-pVTZ
 hartrees
Energy at 0K-214.980534
Energy at 298.15K 
HF Energy-214.980534
Nuclear repulsion energy51.101481
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/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 653 653 0.00 4.57 0.01 0.02
2 Ag 358 358 0.00 0.36 0.10 0.18
3 B1u 680 680 292.17 0.00 0.00 0.00
4 B2u 545 545 272.08 0.00 0.00 0.00
5 B3g 566 566 0.00 0.37 0.75 0.86
6 B3u 286 286 200.39 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1544.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1544.0 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/daug-cc-pVTZ
ABC
0.99618 0.24641 0.19755

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.098 0.000
Li2 0.000 -1.098 0.000
F3 0.000 0.000 1.342
F4 0.000 0.000 -1.342

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.19631.73391.7339
Li22.19631.73391.7339
F31.73391.73392.6836
F41.73391.73392.6836

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 78.595 Li1 F4 Li2 78.595
F3 Li1 F4 101.405 F3 Li2 F4 101.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.619      
2 Li 0.619      
3 F -0.619      
4 F -0.619      


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 -14.325 0.000 0.000
y 0.000 -3.290 0.000
z 0.000 0.000 -27.017
Traceless
 xyz
x 0.828 0.000 0.000
y 0.000 17.381 0.000
z 0.000 0.000 -18.210
Polar
3z2-r2-36.419
x2-y2-11.035
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.503 0.000 0.000
y 0.000 2.589 0.000
z 0.000 0.000 2.393


<r2> (average value of r2) Å2
<r2> 48.936
(<r2>)1/2 6.995