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

using model chemistry: B1B95/cc-pVDZ

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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-1120.764134
Energy at 298.15K-1120.764164
Nuclear repulsion energy133.596924
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 B1B95/cc-pVDZ
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 323 311 0.00      
2 Σu 627 603 147.19      
3 Πu 113 108 58.93      
3 Πu 113 108 58.93      

Unscaled Zero Point Vibrational Energy (zpe) 588.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 565.2 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 B1B95/cc-pVDZ
B
0.05033

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

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 2.188
Cl3 0.000 0.000 -2.188

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.18852.1885
Cl22.18854.3769
Cl32.18854.3769

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 B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.616      
2 Cl -0.308      
3 Cl -0.308      


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 -33.037 0.000 0.000
y 0.000 -33.037 0.000
z 0.000 0.000 -49.966
Traceless
 xyz
x 8.465 0.000 0.000
y 0.000 8.465 0.000
z 0.000 0.000 -16.930
Polar
3z2-r2-33.860
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 4.293 0.000 0.000
y 0.000 4.293 0.000
z 0.000 0.000 8.173


<r2> (average value of r2) Å2
<r2> 186.996
(<r2>)1/2 13.675