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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CCD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-474.917808
Energy at 298.15K 
HF Energy-474.418719
Nuclear repulsion energy78.876579
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/cc-pVTZ
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 3190 2978 19.68      
2 A1 1852 1729 346.23      
3 A1 1415 1322 0.00      
4 A1 874 816 13.13      
5 B1 756 706 76.92      
6 B1 426 397 4.44      
7 B2 3281 3063 2.32      
8 B2 960 897 0.57      
9 B2 366 341 2.02      

Unscaled Zero Point Vibrational Energy (zpe) 6559.6 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 6124.7 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/cc-pVTZ
ABC
9.60303 0.18894 0.18529

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.755
C2 0.000 0.000 -0.446
S3 0.000 0.000 1.113
H4 0.000 0.933 -2.298
H5 0.000 -0.933 -2.298

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30912.86781.07951.0795
C21.30911.55862.07372.0737
S32.86781.55863.53583.5358
H41.07952.07373.53581.8665
H51.07952.07373.53581.8665

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 120.178
C2 C1 H5 120.178 H4 C1 H5 119.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability