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

using model chemistry: HSEh1PBE/aug-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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-214.815775
Energy at 298.15K 
HF Energy-214.815775
Nuclear repulsion energy51.491421
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 HSEh1PBE/aug-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 672 646 0.00 4.91 0.01 0.02
2 Ag 364 350 0.00 0.26 0.14 0.25
3 B1u 679 653 294.85 0.00 0.00 0.00
4 B2u 575 553 270.91 0.00 0.00 0.00
5 B3g 566 544 0.00 0.32 0.75 0.86
6 B3u 288 277 194.98 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1571.5 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 1511.5 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 HSEh1PBE/aug-cc-pVTZ
ABC
0.98653 0.25292 0.20131

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.104 0.000
Li2 0.000 -1.104 0.000
F3 0.000 0.000 1.324
F4 0.000 0.000 -1.324

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.20711.72391.7239
Li22.20711.72391.7239
F31.72391.72392.6489
F41.72391.72392.6489

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 79.602 Li1 F4 Li2 79.602
F3 Li1 F4 100.398 F3 Li2 F4 100.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.657      
2 Li 0.657      
3 F -0.657      
4 F -0.657      


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 -14.383 0.000 0.000
y 0.000 -3.332 0.000
z 0.000 0.000 -26.600
Traceless
 xyz
x 0.583 0.000 0.000
y 0.000 17.160 0.000
z 0.000 0.000 -17.743
Polar
3z2-r2-35.486
x2-y2-11.051
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.444 0.000 0.000
y 0.000 2.592 0.000
z 0.000 0.000 2.448


<r2> (average value of r2) Å2
<r2> 48.107
(<r2>)1/2 6.936