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

using model chemistry: TPSSh/cc-pVTZ

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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-1120.723234
Energy at 298.15K-1120.723241
HF Energy-1120.723234
Nuclear repulsion energy134.114866
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 TPSSh/cc-pVTZ
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 320 310 0.00      
2 Σu 615 595 154.65      
3 Πu 109 105 57.31      
4 Πu 109 105 57.31      

Unscaled Zero Point Vibrational Energy (zpe) 575.8 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 557.6 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 TPSSh/cc-pVTZ
B
0.05072

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

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 2.180
Cl3 0.000 0.000 -2.180

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.18002.1800
Cl22.18004.3600
Cl32.18004.3600

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 TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.725      
2 Cl -0.362      
3 Cl -0.362      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.224 0.000 0.000
y 0.000 5.224 0.000
z 0.000 0.000 8.637


<r2> (average value of r2) Å2
<r2> 185.863
(<r2>)1/2 13.633