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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CCD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-474.812473
Energy at 298.15K 
HF Energy-474.385389
Nuclear repulsion energy77.909164
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/aug-cc-pVDZ
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 3180 3067 16.52      
2 A1 1829 1764 350.31      
3 A1 1399 1349 0.08      
4 A1 865 834 12.45      
5 B1 747 721 70.58      
6 B1 391 377 5.61      
7 B2 3280 3163 1.35      
8 B2 947 913 1.53      
9 B2 340 328 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 6488.3 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 6257.9 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 CCD/aug-cc-pVDZ
ABC
9.37664 0.18430 0.18075

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.778
C2 0.000 0.000 -0.451
S3 0.000 0.000 1.126
H4 0.000 0.944 -2.327
H5 0.000 -0.944 -2.327

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32702.90391.09271.0927
C21.32701.57692.10082.1008
S32.90391.57693.58033.5803
H41.09272.10083.58031.8888
H51.09272.10083.58031.8888

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 120.193
C2 C1 H5 120.193 H4 C1 H5 119.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability