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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-399.628550
Energy at 298.15K-399.628874
HF Energy-399.628550
Nuclear repulsion energy77.495936
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 HSEh1PBE/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 572 551 0.00      
2 Σu 905 871 89.60      
3 Πu 144 139 127.16      
3 Πu 144 139 127.16      

Unscaled Zero Point Vibrational Energy (zpe) 882.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 849.3 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 HSEh1PBE/cc-pVDZ
B
0.14462

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

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 1.751
F3 0.000 0.000 -1.751

Atom - Atom Distances (Å)
  Mg1 F2 F3
Mg11.75151.7515
F21.75153.5030
F31.75153.5030

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 HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.967      
2 F -0.484      
3 F -0.484      


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 -15.594 0.000 0.000
y 0.000 -15.594 0.000
z 0.000 0.000 -33.382
Traceless
 xyz
x 8.894 0.000 0.000
y 0.000 8.894 0.000
z 0.000 0.000 -17.788
Polar
3z2-r2-35.576
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 1.738 0.000 0.000
y 0.000 1.738 0.000
z 0.000 0.000 2.284


<r2> (average value of r2) Å2
<r2> 68.662
(<r2>)1/2 8.286