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

using model chemistry: B3LYP/CEP-31G

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 B3LYP/CEP-31G
 hartrees
Energy at 0K-10.941983
Energy at 298.15K-10.941985
Nuclear repulsion energy2.855760
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 B3LYP/CEP-31G
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 482 466 4.70      

Unscaled Zero Point Vibrational Energy (zpe) 240.8 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 233.2 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 B3LYP/CEP-31G
B
0.24878

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.668
S2 0.000 0.000 0.556

Atom - Atom Distances (Å)
  Mg1 S2
Mg12.2236
S22.2236

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 B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.498      
2 S -0.498      


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 -8.050 8.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.778 0.000 0.000
y 0.000 -22.778 0.000
z 0.000 0.000 -6.369
Traceless
 xyz
x -8.204 0.000 0.000
y 0.000 -8.204 0.000
z 0.000 0.000 16.409
Polar
3z2-r232.817
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 9.011 0.000 0.000
y 0.000 9.011 0.000
z 0.000 0.000 15.108


<r2> (average value of r2) Å2
<r2> 18.227
(<r2>)1/2 4.269