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All results from a given calculation for CaS (Calcium sulfide)

using model chemistry: MP4/cc-pV(T+d)Z

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 MP4/cc-pV(T+d)Z
 hartrees
Energy at 0K-1074.551075
Energy at 298.15K-1074.551309
HF Energy-1074.317659
Nuclear repulsion energy70.647052
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 MP4/cc-pV(T+d)Z
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 420 420        

Unscaled Zero Point Vibrational Energy (zpe) 210.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 210.0 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 MP4/cc-pV(T+d)Z
B
0.16521

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pV(T+d)Z

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 1.065
S2 0.000 0.000 -1.332

Atom - Atom Distances (Å)
  Ca1 S2
Ca12.3968
S22.3968

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