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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-474.890503
Energy at 298.15K 
HF Energy-474.372320
Nuclear repulsion energy78.983131
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 CCSD=FULL/6-31G(2df,p)
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 3223 3034 24.06      
2 A1 1876 1767 307.60      
3 A1 1415 1333 0.06      
4 A1 868 817 16.90      
5 B1 755 711 69.12      
6 B1 443 417 2.58      
7 B2 3316 3122 3.51      
8 B2 968 912 0.12      
9 B2 378 356 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 6620.7 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 6234.1 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 CCSD=FULL/6-31G(2df,p)
ABC
9.64623 0.18949 0.18584

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.751
C2 0.000 0.000 -0.446
S3 0.000 0.000 1.111
H4 0.000 0.931 -2.299
H5 0.000 -0.931 -2.299

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30542.86251.08011.0801
C21.30541.55702.07362.0736
S32.86251.55703.53473.5347
H41.08012.07363.53471.8623
H51.08012.07363.53471.8623

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 120.451
C2 C1 H5 120.451 H4 C1 H5 119.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability