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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CCD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-472.407958
Energy at 298.15K 
HF Energy-472.085095
Nuclear repulsion energy78.402464
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/3-21G*
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 3151 3014 11.64      
2 A1 1848 1767 205.29      
3 A1 1483 1419 0.64      
4 A1 865 827 10.87      
5 B1 841 804 95.16      
6 B1 387 370 2.43      
7 B2 3226 3086 0.17      
8 B2 1040 995 0.10      
9 B2 348 333 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 6593.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 6307.0 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/3-21G*
ABC
9.64634 0.18656 0.18302

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.764
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.120
H4 0.000 0.931 -2.327
H5 0.000 -0.931 -2.327

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31692.88341.08821.0882
C21.31691.56652.09812.0981
S32.88341.56653.57033.5703
H41.08822.09813.57031.8623
H51.08822.09813.57031.8623

picture of Thioketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 180.000 C2 C1 H4 121.171
C2 C1 H5 121.171 H4 C1 H5 117.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability