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

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

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=FULLultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-214.817002
Energy at 298.15K 
HF Energy-214.649569
Nuclear repulsion energy51.542769
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=FULLultrafine/6-31G(2df,p)
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 706 706 0.00 4.51 0.05 0.09
2 Ag 370 370 0.00 0.11 0.06 0.11
3 B1u 704 704 233.46 0.00 0.00 0.00
4 B2u 585 585 279.89 0.00 0.00 0.00
5 B3g 579 579 0.00 1.28 0.75 0.86
6 B3u 298 298 186.97 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1620.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1620.6 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=FULLultrafine/6-31G(2df,p)
ABC
0.97720 0.25472 0.20205

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.109 0.000
Li2 0.000 -1.109 0.000
F3 0.000 0.000 1.320
F4 0.000 0.000 -1.320

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.21761.72371.7237
Li22.21761.72371.7237
F31.72371.72372.6395
F41.72371.72372.6395

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 80.070 Li1 F4 Li2 80.070
F3 Li1 F4 99.930 F3 Li2 F4 99.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability