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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-213.697361
Energy at 298.15K 
HF Energy-213.697361
Nuclear repulsion energy53.080762
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 M06-2X/3-21G*
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 787 746 0.00 8.75 0.10 0.18
2 Ag 406 384 0.00 0.48 0.50 0.67
3 B1u 745 705 194.60 0.00 0.04 0.00
4 B2u 684 647 260.28 0.00 0.00 0.00
5 B3g 669 634 0.00 0.24 0.75 0.86
6 B3u 313 296 192.72 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1801.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 1706.3 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 M06-2X/3-21G*
ABC
0.95414 0.28064 0.21686

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.122 0.000
Li2 0.000 -1.122 0.000
F3 0.000 0.000 1.257
F4 0.000 0.000 -1.257

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.24421.68521.6852
Li22.24421.68521.6852
F31.68521.68522.5146
F41.68521.68522.5146

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 83.495 Li1 F4 Li2 83.495
F3 Li1 F4 96.505 F3 Li2 F4 96.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.461      
2 Li 0.461      
3 F -0.461      
4 F -0.461      


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 -14.467 0.000 0.000
y 0.000 -4.000 0.000
z 0.000 0.000 -24.890
Traceless
 xyz
x -0.022 0.000 0.000
y 0.000 15.679 0.000
z 0.000 0.000 -15.656
Polar
3z2-r2-31.313
x2-y2-10.467
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.418 0.000 0.000
y 0.000 2.748 0.000
z 0.000 0.000 1.287


<r2> (average value of r2) Å2
<r2> 45.037
(<r2>)1/2 6.711