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

using model chemistry: MP2/aug-cc-pVQZ

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 MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-639.721706
Energy at 298.15K-639.721673
Nuclear repulsion energy54.374753
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 MP2/aug-cc-pVQZ
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 707 671 78.45      

Unscaled Zero Point Vibrational Energy (zpe) 353.4 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 335.6 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 MP2/aug-cc-pVQZ
B
0.28115

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.117
S2 0.000 0.000 0.907

Atom - Atom Distances (Å)
  Al1 S2
Al12.0243
S22.0243

picture of Aluminum sulfide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability