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: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-1354.960163
Energy at 298.15K-1354.960451
HF Energy-1354.378290
Nuclear repulsion energy244.085770
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 QCISD/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 1176 1122 312.32      
2 A1 513 489 20.39      
3 A1 310 295 0.05      
4 B1 491 469 2.13      
5 B2 840 802 233.24      
6 B2 320 305 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 1824.6 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 1740.9 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 QCISD/6-311G**
ABC
0.11625 0.11486 0.05778

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.741
Cl3 0.000 1.440 -0.843
Cl4 0.000 -1.440 -0.843

Atom - Atom Distances (Å)
  C1 S2 Cl3 Cl4
C11.60591.74051.7405
S21.60592.95782.9578
Cl31.74052.95782.8799
Cl41.74052.95782.8799

picture of Thiophosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 Cl3 124.177 S2 C1 Cl4 124.177
Cl3 C1 Cl4 111.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability