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All results from a given calculation for LiMg (Lithium magnesium)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-206.202096
Energy at 298.15K-206.201898
HF Energy-206.202096
Nuclear repulsion energy6.278159
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 220 218 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 110.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 109.1 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/3-21G
B
0.33729

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.428
Mg2 0.000 0.000 0.607

Atom - Atom Distances (Å)
  Li1 Mg2
Li13.0344
Mg23.0344

picture of Lithium magnesium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.158      
2 Mg -0.158      


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 -0.824 0.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.975 0.000 0.000
y 0.000 -19.975 0.000
z 0.000 0.000 -20.080
Traceless
 xyz
x 0.053 0.000 0.000
y 0.000 0.053 0.000
z 0.000 0.000 -0.105
Polar
3z2-r2-0.210
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 23.685 0.000 0.000
y 0.000 23.685 0.000
z 0.000 0.000 53.689


<r2> (average value of r2) Å2
<r2> 34.596
(<r2>)1/2 5.882