return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for Cl2CS (Thiophosgene)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1355.264501
Energy at 298.15K-1355.259349
HF Energy-1354.302329
Nuclear repulsion energy246.171371
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 CBS-Q
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 1261 1261 441.94      
2 A1 552 552 14.68      
3 A1 321 321 0.04      
4 B1 531 531 0.04      
5 B2 927 927 240.88      
6 B2 335 335 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 1963.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1963.5 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 CBS-Q
ABC
0.11718 0.11435 0.05787

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.142
S2 0.000 0.000 1.726
Cl3 0.000 1.423 -0.837
Cl4 0.000 -1.423 -0.837

Atom - Atom Distances (Å)
  C1 S2 Cl3 Cl4
C11.58401.72781.7278
S21.58402.93212.9321
Cl31.72782.93212.8469
Cl41.72782.93212.8469

picture of Thiophosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 Cl3 124.531 S2 C1 Cl4 124.531
Cl3 C1 Cl4 110.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability