return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/STO-3G

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/STO-3G
 hartrees
Energy at 0K-211.799569
Energy at 298.15K 
HF Energy-211.799569
Nuclear repulsion energy55.324414
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/STO-3G
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 898 898 0.00 19.21 0.10 0.19
2 Ag 430 430 0.00 0.89 0.74 0.85
3 B1u 856 856 101.96 0.00 0.00 0.00
4 B2u 854 854 199.61 0.00 0.00 0.00
5 B3g 813 813 0.00 0.00 0.75 0.86
6 B3u 249 249 69.05 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 2049.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2049.1 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 wB97X-D/STO-3G
ABC
1.00541 0.30940 0.23659

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.093 0.000
Li2 0.000 -1.093 0.000
F3 0.000 0.000 1.197
F4 0.000 0.000 -1.197

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.18621.62141.6214
Li22.18621.62141.6214
F31.62141.62142.3950
F41.62141.62142.3950

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 84.783 Li1 F4 Li2 84.783
F3 Li1 F4 95.217 F3 Li2 F4 95.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.111      
2 Li 0.111      
3 F -0.111      
4 F -0.111      


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 -15.809 0.000 0.000
y 0.000 -8.320 0.000
z 0.000 0.000 -19.431
Traceless
 xyz
x -1.934 0.000 0.000
y 0.000 9.300 0.000
z 0.000 0.000 -7.367
Polar
3z2-r2-14.733
x2-y2-7.489
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.283 0.000 0.000
y 0.000 4.932 0.000
z 0.000 0.000 1.342


<r2> (average value of r2) Å2
<r2> 42.050
(<r2>)1/2 6.485