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All results from a given calculation for Cl2CS (Thiophosgene)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-44.870312
Energy at 298.15K-44.870386
HF Energy-44.651584
Nuclear repulsion energy46.483291
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/CEP-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 A1 1092 1055 176.86      
2 A1 446 431 25.50      
3 A1 279 269 0.85      
4 B1 447 432 3.59      
5 B2 740 715 225.93      
6 B2 298 288 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 1650.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1595.3 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/CEP-31G
ABC
0.10467 0.10361 0.05207

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.152
S2 0.000 0.000 1.831
Cl3 0.000 1.518 -0.889
Cl4 0.000 -1.518 -0.889

Atom - Atom Distances (Å)
  C1 S2 Cl3 Cl4
C11.67881.84031.8403
S21.67883.11463.1146
Cl31.84033.11463.0350
Cl41.84033.11463.0350

picture of Thiophosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 Cl3 124.452 S2 C1 Cl4 124.452
Cl3 C1 Cl4 111.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability