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

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-214.770328
Energy at 298.15K 
HF Energy-214.770328
Nuclear repulsion energy51.644174
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 PBE1PBE/6-311G**
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 700 672 0.00 3.98 0.09 0.17
2 Ag 368 353 0.00 0.34 0.47 0.64
3 B1u 707 678 244.94 0.00 0.00 0.00
4 B2u 598 573 280.79 0.00 0.00 0.00
5 B3g 590 566 0.00 0.54 0.75 0.86
6 B3u 291 279 194.14 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1626.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1560.6 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 PBE1PBE/6-311G**
ABC
0.97411 0.25653 0.20306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.111 0.000
Li2 0.000 -1.111 0.000
F3 0.000 0.000 1.315
F4 0.000 0.000 -1.315

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.22111.72131.7213
Li22.22111.72131.7213
F31.72131.72132.6302
F41.72131.72132.6302

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 80.360 Li1 F4 Li2 80.360
F3 Li1 F4 99.640 F3 Li2 F4 99.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.582      
2 Li 0.582      
3 F -0.582      
4 F -0.582      


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 -14.224 0.000 0.000
y 0.000 -3.273 0.000
z 0.000 0.000 -25.738
Traceless
 xyz
x 0.281 0.000 0.000
y 0.000 16.708 0.000
z 0.000 0.000 -16.989
Polar
3z2-r2-33.979
x2-y2-10.951
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.796 0.000 0.000
y 0.000 2.402 0.000
z 0.000 0.000 1.690


<r2> (average value of r2) Å2
<r2> 47.531
(<r2>)1/2 6.894