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

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-214.954926
Energy at 298.15K 
HF Energy-214.954926
Nuclear repulsion energy50.665018
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 BLYP/aug-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 647 646 0.00 6.69 0.02 0.04
2 Ag 353 353 0.00 0.32 0.18 0.30
3 B1u 649 648 282.12 0.00 0.00 0.00
4 B2u 548 547 265.00 0.00 0.00 0.00
5 B3g 547 546 0.00 0.61 0.75 0.86
6 B3u 279 279 190.09 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1511.8 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 1508.9 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 BLYP/aug-cc-pVDZ
ABC
0.96293 0.24399 0.19467

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.117 0.000
Li2 0.000 -1.117 0.000
F3 0.000 0.000 1.348
F4 0.000 0.000 -1.348

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.23391.75101.7510
Li22.23391.75101.7510
F31.75101.75102.6969
F41.75101.75102.6969

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 79.272 Li1 F4 Li2 79.272
F3 Li1 F4 100.728 F3 Li2 F4 100.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.524      
2 Li 0.524      
3 F -0.524      
4 F -0.524      


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 -15.254 0.000 0.000
y 0.000 -3.621 0.000
z 0.000 0.000 -27.384
Traceless
 xyz
x 0.249 0.000 0.000
y 0.000 17.698 0.000
z 0.000 0.000 -17.947
Polar
3z2-r2-35.894
x2-y2-11.633
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.759 0.000 0.000
y 0.000 3.034 0.000
z 0.000 0.000 2.719


<r2> (average value of r2) Å2
<r2> 49.846
(<r2>)1/2 7.060