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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
2 1 yes D*H 3Σu

State 1 (1Σg)

Jump to S2C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-15.012843
Energy at 298.15K-15.012655
HF Energy-15.012843
Nuclear repulsion energy1.761951
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 wB97X-D/TZVP
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 338 323 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 168.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 161.3 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 wB97X-D/TZVP
B
0.65888

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.354
Li2 0.000 0.000 -1.354

Atom - Atom Distances (Å)
  Li1 Li2
Li12.7089
Li22.7089

picture of Lithium diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP 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 -16.233 0.000 0.000
y 0.000 -16.233 0.000
z 0.000 0.000 -2.968
Traceless
 xyz
x -6.632 0.000 0.000
y 0.000 -6.632 0.000
z 0.000 0.000 13.264
Polar
3z2-r226.529
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 9.595 0.000 0.000
y 0.000 9.595 0.000
z 0.000 0.000 40.348


<r2> (average value of r2) Å2
<r2> 18.317
(<r2>)1/2 4.280

State 2 (3Σu)

Jump to S1C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-14.981653
Energy at 298.15K-14.980944
HF Energy-14.981653
Nuclear repulsion energy0.512623
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 wB97X-D/TZVP
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 6 5 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 2.7 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 wB97X-D/TZVP
B
0.05567

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.579
Li2 0.000 0.000 -1.579

Atom - Atom Distances (Å)
  Li1 Li2
Li13.1588
Li23.1588

picture of Lithium diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP 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 -16.690 0.000 0.000
y 0.000 -16.690 0.000
z 0.000 0.000 -16.690
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 -0.000
Polar
3z2-r2-0.001
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 18.532 0.000 0.000
y 0.000 18.532 0.000
z 0.000 0.000 19.234


<r2> (average value of r2) Å2
<r2> 139.898
(<r2>)1/2 11.828