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

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-214.917807
Energy at 298.15K 
HF Energy-214.917807
Nuclear repulsion energy51.328778
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 B1B95/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 396 380 0.00 281170.80 0.33 0.50
2 Ag 4201i 4024i 0.00 0.00 0.33 0.50
3 B1u 686 657 291.64 0.00 0.34 0.50
4 B2u 3065i 2936i 134.33 0.00 0.00 0.00
5 B3g 571 547 0.00 8.67 0.75 0.86
6 B3u 277 265 204.18 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) -2667.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) -2555.3 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 B1B95/aug-cc-pVDZ
ABC
0.96817 0.25272 0.20041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.114 0.000
Li2 0.000 -1.114 0.000
F3 0.000 0.000 1.325
F4 0.000 0.000 -1.325

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.22791.73101.7310
Li22.22791.73101.7310
F31.73101.73102.6500
F41.73101.73102.6500

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 80.109 Li1 F4 Li2 80.109
F3 Li1 F4 99.891 F3 Li2 F4 99.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.559      
2 Li 0.559      
3 F -0.559      
4 F -0.559      


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 -14.627 0.000 0.000
y 0.000 -2.973 0.000
z 0.000 0.000 -26.687
Traceless
 xyz
x 0.203 0.000 0.000
y 0.000 17.684 0.000
z 0.000 0.000 -17.887
Polar
3z2-r2-35.774
x2-y2-11.654
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.317 0.000 0.000
y 0.000 2.485 0.000
z 0.000 0.000 2.267


<r2> (average value of r2) Å2
<r2> 48.266
(<r2>)1/2 6.947