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All results from a given calculation for MgF2 (Magnesium fluoride)

using model chemistry: BLYP/6-31G(2df,p)

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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-399.888466
Energy at 298.15K-399.888892
HF Energy-399.888466
Nuclear repulsion energy77.354956
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 BLYP/6-31G(2df,p)
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 574 571 0.00      
2 Σu 904 899 94.07      
3 Πu 177 176 100.93      
3 Πu 177 176 100.93      

Unscaled Zero Point Vibrational Energy (zpe) 916.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 911.1 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 BLYP/6-31G(2df,p)
B
0.14409

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 0.000
F2 0.000 0.000 1.755
F3 0.000 0.000 -1.755

Atom - Atom Distances (Å)
  Mg1 F2 F3
Mg11.75471.7547
F21.75473.5094
F31.75473.5094

picture of Magnesium fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Mg1 F3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.413      
2 F -0.207      
3 F -0.207      


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 -16.475 0.000 0.000
y 0.000 -16.475 0.000
z 0.000 0.000 -31.696
Traceless
 xyz
x 7.611 0.000 0.000
y 0.000 7.611 0.000
z 0.000 0.000 -15.221
Polar
3z2-r2-30.442
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 2.779 0.000 0.000
y 0.000 2.779 0.000
z 0.000 0.000 2.939


<r2> (average value of r2) Å2
<r2> 68.880
(<r2>)1/2 8.299