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

using model chemistry: MP2/6-31G

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 MP2/6-31G
 hartrees
Energy at 0K-1118.781527
Energy at 298.15K-1118.781439
HF Energy-1118.686037
Nuclear repulsion energy129.241478
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 MP2/6-31G
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 294 281 0.00      
2 Σu 584 558 106.88      
3 Πu 98 94 76.94      
3 Πu 98 94 76.94      

Unscaled Zero Point Vibrational Energy (zpe) 536.9 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 513.7 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 MP2/6-31G
B
0.04710

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

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 2.262
Cl3 0.000 0.000 -2.262

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.26222.2622
Cl22.26224.5244
Cl32.26224.5244

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 MP2/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.102      
2 Cl -0.551      
3 Cl -0.551      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000