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

using model chemistry: CISD/cc-pV(D+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 CISD/cc-pV(D+d)Z
 hartrees
Energy at 0K-1074.450071
Energy at 298.15K 
HF Energy-1074.294587
Nuclear repulsion energy71.330007
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 CISD/cc-pV(D+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 450 450 14.98      

Unscaled Zero Point Vibrational Energy (zpe) 225.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 225.1 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 CISD/cc-pV(D+d)Z
B
0.16840

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 1.055
S2 0.000 0.000 -1.319

Atom - Atom Distances (Å)
  Ca1 S2
Ca12.3740
S22.3740

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