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

using model chemistry: CCD/3-21G

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 CCD/3-21G
 hartrees
Energy at 0K-1113.356660
Energy at 298.15K-1113.356637
HF Energy-1113.243366
Nuclear repulsion energy129.295271
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 CCD/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 Σg 305 296 0.00      
2 Σu 602 586 102.27      
3 Πu 109 106 79.08      
3 Πu 109 106 79.08      

Unscaled Zero Point Vibrational Energy (zpe) 562.1 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 546.6 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 CCD/3-21G
B
0.04714

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

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 2.261
Cl3 0.000 0.000 -2.261

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.26132.2613
Cl22.26134.5225
Cl32.26134.5225

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 CCD/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.164      
2 Cl -0.582      
3 Cl -0.582      


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> 200.853
(<r2>)1/2 14.172