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

using model chemistry: PBEPBE/cc-pVTZ

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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-597.980022
Energy at 298.15K-597.980061
Nuclear repulsion energy47.100330
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 PBEPBE/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 Σ 526 522 6.48      

Unscaled Zero Point Vibrational Energy (zpe) 263.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 261.2 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 PBEPBE/cc-pVTZ
B
0.26435

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.233
S2 0.000 0.000 0.924

Atom - Atom Distances (Å)
  Mg1 S2
Mg12.1571
S22.1571

picture of magnesium sulfide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.417      
2 S -0.417      


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 -6.991 6.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.804 0.000 0.000
y 0.000 -24.804 0.000
z 0.000 0.000 -14.740
Traceless
 xyz
x -5.032 0.000 0.000
y 0.000 -5.032 0.000
z 0.000 0.000 10.064
Polar
3z2-r220.129
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 8.846 0.000 0.000
y 0.000 8.846 0.000
z 0.000 0.000 14.464


<r2> (average value of r2) Å2
<r2> 45.305
(<r2>)1/2 6.731