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

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-214.924565
Energy at 298.15K 
HF Energy-214.723154
Nuclear repulsion energy51.532274
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/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 673 673 0.00 5.31 0.01 0.02
2 Ag 364 364 0.00 0.28 0.11 0.21
3 B1u 677 677 292.85 0.00 0.00 0.00
4 B2u 575 575 271.05 0.00 0.00 0.00
5 B3g 567 567 0.00 0.31 0.75 0.86
6 B3u 289 289 196.68 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1572.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1572.9 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/daug-cc-pVTZ
ABC
0.98888 0.25323 0.20161

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.102 0.000
Li2 0.000 -1.102 0.000
F3 0.000 0.000 1.324
F4 0.000 0.000 -1.324

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.20441.72251.7225
Li22.20441.72251.7225
F31.72251.72252.6472
F41.72251.72252.6472

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 79.570 Li1 F4 Li2 79.570
F3 Li1 F4 100.430 F3 Li2 F4 100.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability