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

using model chemistry: PBEPBE/cc-pCVTZ

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 PBEPBE/cc-pCVTZ
 hartrees
Energy at 0K-14.955855
Energy at 298.15K-14.955662
HF Energy-14.955855
Nuclear repulsion energy1.745716
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 PBEPBE/cc-pCVTZ
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 332 332 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 166.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 166.0 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 PBEPBE/cc-pCVTZ
B
0.64565

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pCVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.364
Li2 0.000 0.000 -1.364

Atom - Atom Distances (Å)
  Li1 Li2
Li12.7282
Li22.7282

picture of Lithium diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.000      
2 Li 0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.582 0.000 0.000
y 0.000 -15.582 0.000
z 0.000 0.000 -3.031
Traceless
 xyz
x -6.275 0.000 0.000
y 0.000 -6.275 0.000
z 0.000 0.000 12.551
Polar
3z2-r225.102
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 24.866 0.000 0.000
y 0.000 24.866 0.000
z 0.000 0.000 41.249


<r2> (average value of r2) Å2
<r2> 18.284
(<r2>)1/2 4.276