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: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-1354.952297
Energy at 298.15K-1354.952611
HF Energy-1354.378620
Nuclear repulsion energy244.746104
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 CCD/6-311G**
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 1218 1163 264.04      
2 A1 521 498 23.02      
3 A1 312 298 0.05      
4 B1 495 473 2.63      
5 B2 854 816 223.83      
6 B2 325 310 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 1862.3 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 1778.7 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 CCD/6-311G**
ABC
0.11653 0.11581 0.05808

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.135
S2 0.000 0.000 1.733
Cl3 0.000 1.438 -0.840
Cl4 0.000 -1.438 -0.840

Atom - Atom Distances (Å)
  C1 S2 Cl3 Cl4
C11.59861.73731.7373
S21.59862.94772.9477
Cl31.73732.94772.8765
Cl41.73732.94772.8765

picture of Thiophosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 Cl3 124.118 S2 C1 Cl4 124.118
Cl3 C1 Cl4 111.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability