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

using model chemistry: CCSD=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at CCSD=FULL/cc-pVQZ
 hartrees
Energy at 0K-214.788284
Energy at 298.15K 
HF Energy-214.081007
Nuclear repulsion energy51.789941
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 CCSD=FULL/cc-pVQZ
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 372 372 0.00      
2 Ag 682 682 0.00      
3 B1u 686 686 289.83      
4 B2u 583 583 278.61      
5 B3g 572 572 0.00      
6 B3u 293 293 204.34      

Unscaled Zero Point Vibrational Energy (zpe) 1594.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1594.4 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 CCSD=FULL/cc-pVQZ
ABC
0.99898 0.25575 0.20362

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVQZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.097 0.000
Li2 0.000 -1.097 0.000
F3 0.000 0.000 1.317
F4 0.000 0.000 -1.317

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.19331.71391.7139
Li22.19331.71391.7139
F31.71391.71392.6342
F41.71391.71392.6342

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 79.562 Li1 F4 Li2 79.562
F3 Li1 F4 100.438 F3 Li2 F4 100.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability