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All results from a given calculation for AlS (Aluminum sulfide)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-640.564431
Energy at 298.15K-640.564286
HF Energy-640.564431
Nuclear repulsion energy51.238670
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 BLYP/6-31G
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 517 513 10.44      

Unscaled Zero Point Vibrational Energy (zpe) 258.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 256.3 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 BLYP/6-31G
B
0.24965

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.185
S2 0.000 0.000 0.963

Atom - Atom Distances (Å)
  Al1 S2
Al12.1482
S22.1482

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.369      
2 S -0.369      


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 -3.729 3.729
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.809 0.000 0.000
y 0.000 -25.809 0.000
z 0.000 0.000 -23.909
Traceless
 xyz
x -0.950 0.000 0.000
y 0.000 -0.950 0.000
z 0.000 0.000 1.900
Polar
3z2-r23.800
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 6.556 0.000 0.000
y 0.000 6.556 0.000
z 0.000 0.000 11.725


<r2> (average value of r2) Å2
<r2> 48.822
(<r2>)1/2 6.987