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

using model chemistry: CCSD(T)=FULL/aug-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(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-214.820171
Energy at 298.15K 
HF Energy-214.081477
Nuclear repulsion energy51.871880
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(T)=FULL/aug-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 371 355        
2 Ag 690 661        
3 B1u 681 652        
4 B2u 584 559        
5 B3g 573 549        
6 B3u 282 271        

Unscaled Zero Point Vibrational Energy (zpe) 1590.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 1523.9 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 CCSD(T)=FULL/aug-cc-pVQZ
ABC
1.00526 0.25630 0.20423

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.093 0.000
Li2 0.000 -1.093 0.000
F3 0.000 0.000 1.316
F4 0.000 0.000 -1.316

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.18641.71061.7106
Li22.18641.71061.7106
F31.71061.71062.6314
F41.71061.71062.6314

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 79.447 Li1 F4 Li2 79.447
F3 Li1 F4 100.553 F3 Li2 F4 100.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability