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All results from a given calculation for MgCl2 (Magnesium dichloride)

using model chemistry: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-1118.800106
Energy at 298.15K-1118.800148
HF Energy-1118.800106
Nuclear repulsion energy134.338196
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 HF/Def2TZVPP
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 330 299 0.00      
2 Σu 631 572 181.40      
3 Πu 114 104 68.76      
3 Πu 114 104 68.76      

Unscaled Zero Point Vibrational Energy (zpe) 594.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 538.8 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 HF/Def2TZVPP
B
0.05089

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 0.000
Cl2 0.000 0.000 2.177
Cl3 0.000 0.000 -2.177

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.17742.1774
Cl22.17744.3549
Cl32.17744.3549

picture of Magnesium dichloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Mg1 Cl3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.022      
2 Cl -0.511      
3 Cl -0.511      


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 -33.400 0.000 0.000
y 0.000 -33.400 0.000
z 0.000 0.000 -52.387
Traceless
 xyz
x 9.493 0.000 0.000
y 0.000 9.493 0.000
z 0.000 0.000 -18.987
Polar
3z2-r2-37.974
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 4.947 0.000 0.000
y 0.000 4.947 0.000
z 0.000 0.000 7.160


<r2> (average value of r2) Å2
<r2> 185.859
(<r2>)1/2 13.633