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

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-49.048138
Energy at 298.15K 
HF Energy-49.048138
Nuclear repulsion energy18.057639
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 B3LYP/CEP-31G*
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 662 639 0.00 1.86 0.28 0.44
2 Ag 329 318 0.00 0.26 0.30 0.46
3 B1u 614 593 241.46 0.00 0.00 0.00
4 B2u 511 494 301.24 0.00 0.00 0.00
5 B3g 487 471 0.00 0.77 0.75 0.86
6 B3u 283 273 220.19 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1443.3 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 1393.8 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 B3LYP/CEP-31G*
ABC
0.79736 0.24754 0.18890

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.227 0.000
Li2 0.000 -1.227 0.000
F3 0.000 0.000 1.339
F4 0.000 0.000 -1.339

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.45491.81631.8163
Li22.45491.81631.8163
F31.81631.81632.6775
F41.81631.81632.6775

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 85.034 Li1 F4 Li2 85.034
F3 Li1 F4 94.966 F3 Li2 F4 94.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.583      
2 Li 0.583      
3 F -0.583      
4 F -0.583      


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 -14.481 0.000 0.000
y 0.000 -0.501 0.000
z 0.000 0.000 -27.295
Traceless
 xyz
x -0.583 0.000 0.000
y 0.000 20.387 0.000
z 0.000 0.000 -19.804
Polar
3z2-r2-39.608
x2-y2-13.980
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.320 0.000 0.000
y 0.000 2.933 0.000
z 0.000 0.000 1.867


<r2> (average value of r2) Å2
<r2> 36.907
(<r2>)1/2 6.075