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

using model chemistry: B3PW91/aug-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 B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1120.536894
Energy at 298.15K-1120.536914
Nuclear repulsion energy133.083753
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 B3PW91/aug-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 315 303 0.00      
2 Σu 608 587 161.11      
3 Πu 115 111 56.76      
3 Πu 115 111 56.76      

Unscaled Zero Point Vibrational Energy (zpe) 576.4 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 556.0 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 B3PW91/aug-cc-pVDZ
B
0.04994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-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 2.197
Cl3 0.000 0.000 -2.197

Atom - Atom Distances (Å)
  Mg1 Cl2 Cl3
Mg12.19692.1969
Cl22.19694.3938
Cl32.19694.3938

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 B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.582      
2 Cl -0.291      
3 Cl -0.291      


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 -33.637 0.000 0.000
y 0.000 -33.637 0.000
z 0.000 0.000 -50.247
Traceless
 xyz
x 8.305 0.000 0.000
y 0.000 8.305 0.000
z 0.000 0.000 -16.609
Polar
3z2-r2-33.218
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 6.128 0.000 0.000
y 0.000 6.128 0.000
z 0.000 0.000 9.112


<r2> (average value of r2) Å2
<r2> 188.562
(<r2>)1/2 13.732