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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-474.755429
Energy at 298.15K 
HF Energy-474.354245
Nuclear repulsion energy78.286098
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/6-31G*
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 3197 3045 13.59      
2 A1 1849 1761 273.50      
3 A1 1434 1366 0.01      
4 A1 853 812 16.42      
5 B1 756 720 85.18      
6 B1 399 380 1.40      
7 B2 3284 3127 0.62      
8 B2 985 938 0.01      
9 B2 352 335 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 6554.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 6241.6 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/6-31G*
ABC
9.57653 0.18604 0.18250

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.767
C2 0.000 0.000 -0.451
S3 0.000 0.000 1.122
H4 0.000 0.935 -2.321
H5 0.000 -0.935 -2.321

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31622.88841.08651.0865
C21.31621.57222.09092.0909
S32.88841.57223.56723.5672
H41.08652.09093.56721.8690
H51.08652.09093.56721.8690

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 120.671
C2 C1 H5 120.671 H4 C1 H5 118.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability