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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-214.943677
Energy at 298.15K 
HF Energy-214.943677
Nuclear repulsion energy51.588045
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 mPW1PW91/6-311G**
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 696 666 0.00 3.75 0.09 0.17
2 Ag 367 351 0.00 0.33 0.46 0.63
3 B1u 703 673 247.05 0.00 0.00 0.00
4 B2u 594 568 282.98 0.00 0.00 0.00
5 B3g 586 561 0.00 0.52 0.75 0.86
6 B3u 291 278 196.77 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1618.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 1548.3 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 mPW1PW91/6-311G**
ABC
0.97169 0.25601 0.20263

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.112 0.000
Li2 0.000 -1.112 0.000
F3 0.000 0.000 1.316
F4 0.000 0.000 -1.316

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.22381.72321.7232
Li22.22381.72321.7232
F31.72321.72322.6328
F41.72321.72322.6328

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 80.373 Li1 F4 Li2 80.373
F3 Li1 F4 99.627 F3 Li2 F4 99.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.588      
2 Li 0.588      
3 F -0.588      
4 F -0.588      


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 -14.191 0.000 0.000
y 0.000 -3.193 0.000
z 0.000 0.000 -25.822
Traceless
 xyz
x 0.316 0.000 0.000
y 0.000 16.814 0.000
z 0.000 0.000 -17.130
Polar
3z2-r2-34.260
x2-y2-10.998
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.770 0.000 0.000
y 0.000 2.356 0.000
z 0.000 0.000 1.682


<r2> (average value of r2) Å2
<r2> 47.607
(<r2>)1/2 6.900