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

using model chemistry: HF/aug-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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-398.707469
Energy at 298.15K-398.707835
HF Energy-398.707469
Nuclear repulsion energy78.283905
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 HF/aug-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 589 537 0.00      
2 Σu 918 836 194.38      
3 Πu 152 138 158.21      
3 Πu 152 138 158.21      

Unscaled Zero Point Vibrational Energy (zpe) 905.6 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 824.4 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 HF/aug-cc-pVTZ
B
0.14758

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

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 1.734
F3 0.000 0.000 -1.734

Atom - Atom Distances (Å)
  Mg1 F2 F3
Mg11.73391.7339
F21.73393.4677
F31.73393.4677

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 HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.408      
2 F -0.704      
3 F -0.704      


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 -15.109 0.000 0.000
y 0.000 -15.109 0.000
z 0.000 0.000 -35.221
Traceless
 xyz
x 10.056 0.000 0.000
y 0.000 10.056 0.000
z 0.000 0.000 -20.112
Polar
3z2-r2-40.224
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 1.923 0.000 0.000
y 0.000 1.923 0.000
z 0.000 0.000 2.107


<r2> (average value of r2) Å2
<r2> 67.737
(<r2>)1/2 8.230