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All results from a given calculation for MgS (magnesium sulfide)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at HF/SDD
 hartrees
Energy at 0K-597.054868
Energy at 298.15K-597.054865
Nuclear repulsion energy45.742419
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/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 477 429 3.37      

Unscaled Zero Point Vibrational Energy (zpe) 238.2 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 214.5 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/SDD
B
0.24933

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.269
S2 0.000 0.000 0.952

Atom - Atom Distances (Å)
  Mg1 S2
Mg12.2212
S22.2212

picture of magnesium sulfide state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.611      
2 S -0.611      


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 -8.904 8.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.819 0.000 0.000
y 0.000 -24.819 0.000
z 0.000 0.000 -14.984
Traceless
 xyz
x -4.917 0.000 0.000
y 0.000 -4.917 0.000
z 0.000 0.000 9.834
Polar
3z2-r219.669
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 8.491 0.000 0.000
y 0.000 8.491 0.000
z 0.000 0.000 15.905


<r2> (average value of r2) Å2
<r2> 47.284
(<r2>)1/2 6.876