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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-214.862610
Energy at 298.15K 
HF Energy-214.862610
Nuclear repulsion energy50.206716
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 B97D3/6-31+G**
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 615 605 0.00 4.08 0.04 0.07
2 Ag 345 339 0.00 0.42 0.27 0.43
3 B1u 618 607 290.94 0.00 0.00 0.00
4 B2u 518 509 287.60 0.00 0.00 0.00
5 B3g 514 505 0.00 0.50 0.75 0.86
6 B3u 283 278 202.86 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1446.4 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 1421.5 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 B97D3/6-31+G**
ABC
0.92259 0.24222 0.19185

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.141 0.000
Li2 0.000 -1.141 0.000
F3 0.000 0.000 1.353
F4 0.000 0.000 -1.353

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.28221.77031.7703
Li22.28221.77031.7703
F31.77031.77032.7068
F41.77031.77032.7068

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 80.273 Li1 F4 Li2 80.273
F3 Li1 F4 99.727 F3 Li2 F4 99.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.602      
2 Li 0.602      
3 F -0.602      
4 F -0.602      


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 -14.960 0.000 0.000
y 0.000 -2.957 0.000
z 0.000 0.000 -28.083
Traceless
 xyz
x 0.560 0.000 0.000
y 0.000 18.565 0.000
z 0.000 0.000 -19.125
Polar
3z2-r2-38.251
x2-y2-12.003
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.393 0.000 0.000
y 0.000 2.791 0.000
z 0.000 0.000 2.351


<r2> (average value of r2) Å2
<r2> 50.359
(<r2>)1/2 7.096