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All results from a given calculation for Li2 (Lithium diatomic)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-14.915121
Energy at 298.15K-14.914936
HF Energy-14.870284
Nuclear repulsion energy1.739968
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 MP2=FULL/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 342 324 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 171.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 162.0 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 MP2=FULL/6-311G*
B
0.64140

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.369
Li2 0.000 0.000 -1.369

Atom - Atom Distances (Å)
  Li1 Li2
Li12.7372
Li22.7372

picture of Lithium diatomic state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability