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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-639.420971
Energy at 298.15K-639.420888
HF Energy-639.420971
Nuclear repulsion energy54.330461
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/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 615 553 8.12      

Unscaled Zero Point Vibrational Energy (zpe) 307.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 276.4 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/6-31G*
B
0.28069

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.118
S2 0.000 0.000 0.908

Atom - Atom Distances (Å)
  Al1 S2
Al12.0259
S22.0259

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 HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.452      
2 S -0.452      


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 -5.036 5.036
CHELPG 0.000 0.000 -5.494 5.494
AIM 0.000 0.000 3.083 3.084
ESP 0.000 0.000 -6.203 6.203


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.365 0.000 0.000
y 0.000 -25.365 0.000
z 0.000 0.000 -23.439
Traceless
 xyz
x -0.963 0.000 0.000
y 0.000 -0.963 0.000
z 0.000 0.000 1.926
Polar
3z2-r23.852
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 5.826 0.000 0.000
y 0.000 5.826 0.000
z 0.000 0.000 10.997


<r2> (average value of r2) Å2
<r2> 44.879
(<r2>)1/2 6.699