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

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-214.001526
Energy at 298.15K 
HF Energy-214.001526
Nuclear repulsion energy51.495722
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 HF/cc-pVDZ
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 727 660 0.00 1.38 0.13 0.23
2 Ag 377 342 0.00 0.14 0.32 0.49
3 B1u 709 644 234.33 0.00 0.00 0.00
4 B2u 607 551 307.61 0.00 0.00 0.00
5 B3g 597 542 0.00 0.71 0.75 0.86
6 B3u 314 285 243.62 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1664.8 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 1511.7 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 HF/cc-pVDZ
ABC
0.93213 0.25954 0.20302

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.135 0.000
Li2 0.000 -1.135 0.000
F3 0.000 0.000 1.307
F4 0.000 0.000 -1.307

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.27051.73151.7315
Li22.27051.73151.7315
F31.73151.73152.6149
F41.73151.73152.6149

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 81.937 Li1 F4 Li2 81.937
F3 Li1 F4 98.063 F3 Li2 F4 98.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.617      
2 Li 0.617      
3 F -0.617      
4 F -0.617      


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 -13.958 0.000 0.000
y 0.000 -2.004 0.000
z 0.000 0.000 -26.805
Traceless
 xyz
x 0.447 0.000 0.000
y 0.000 18.378 0.000
z 0.000 0.000 -18.825
Polar
3z2-r2-37.649
x2-y2-11.954
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.389 0.000 0.000
y 0.000 1.749 0.000
z 0.000 0.000 1.069


<r2> (average value of r2) Å2
<r2> 47.406
(<r2>)1/2 6.885