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

using model chemistry: B1B95/STO-3G

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 B1B95/STO-3G
 hartrees
Energy at 0K-591.306789
Energy at 298.15K-591.306906
Nuclear repulsion energy51.173850
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 B1B95/STO-3G
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 729 643 12.93      

Unscaled Zero Point Vibrational Energy (zpe) 364.2 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 321.6 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 B1B95/STO-3G
B
0.31206

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.135
S2 0.000 0.000 0.851

Atom - Atom Distances (Å)
  Mg1 S2
Mg11.9854
S21.9854

picture of magnesium sulfide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.518      
2 S -0.518      


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 -6.454 6.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.580 0.000 0.000
y 0.000 -17.580 0.000
z 0.000 0.000 -12.124
Traceless
 xyz
x -2.728 0.000 0.000
y 0.000 -2.728 0.000
z 0.000 0.000 5.456
Polar
3z2-r210.912
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 1.420 0.000 0.000
y 0.000 1.420 0.000
z 0.000 0.000 5.725


<r2> (average value of r2) Å2
<r2> 36.875
(<r2>)1/2 6.072