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

using model chemistry: B2PLYP/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-214.905454
Energy at 298.15K 
HF Energy-214.723055
Nuclear repulsion energy51.324138
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 B2PLYP/daug-cc-pVTZ
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 666 666 0.00 5.35 0.01 0.02
2 Ag 360 360 0.00 0.28 0.11 0.21
3 B1u 671 671 293.46 0.00 0.00 0.00
4 B2u 569 569 272.06 0.00 0.00 0.00
5 B3g 560 560 0.00 0.32 0.75 0.86
6 B3u 286 286 197.31 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1556.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1556.0 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 B2PLYP/daug-cc-pVTZ
ABC
0.97867 0.25145 0.20005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.108 0.000
Li2 0.000 -1.108 0.000
F3 0.000 0.000 1.328
F4 0.000 0.000 -1.328

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.21591.72971.7297
Li22.21591.72971.7297
F31.72971.72972.6566
F41.72971.72972.6566

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 79.663 Li1 F4 Li2 79.663
F3 Li1 F4 100.337 F3 Li2 F4 100.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.593      
2 Li 0.593      
3 F -0.593      
4 F -0.593      


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 -14.476 0.000 0.000
y 0.000 -3.346 0.000
z 0.000 0.000 -26.950
Traceless
 xyz
x 0.672 0.000 0.000
y 0.000 17.367 0.000
z 0.000 0.000 -18.039
Polar
3z2-r2-36.078
x2-y2-11.130
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.476 0.000 0.000
y 0.000 2.621 0.000
z 0.000 0.000 2.484


<r2> (average value of r2) Å2
<r2> 48.446
(<r2>)1/2 6.960