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

using model chemistry: B3PW91/cc-pVTZ

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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-640.571720
Energy at 298.15K-640.571640
HF Energy-640.571720
Nuclear repulsion energy53.927986
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 B3PW91/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 613 589 13.76      

Unscaled Zero Point Vibrational Energy (zpe) 306.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 294.7 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 B3PW91/cc-pVTZ
B
0.27655

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.126
S2 0.000 0.000 0.915

Atom - Atom Distances (Å)
  Al1 S2
Al12.0410
S22.0410

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 B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.276      
2 S -0.276      


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 -3.855 3.855
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.278 0.000 0.000
y 0.000 -25.278 0.000
z 0.000 0.000 -22.343
Traceless
 xyz
x -1.467 0.000 0.000
y 0.000 -1.467 0.000
z 0.000 0.000 2.935
Polar
3z2-r25.870
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 7.155 0.000 0.000
y 0.000 7.155 0.000
z 0.000 0.000 11.474


<r2> (average value of r2) Å2
<r2> 45.056
(<r2>)1/2 6.712