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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP4/daug-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 MP4/daug-cc-pVTZ
 hartrees
Energy at 0K-474.965351
Energy at 298.15K 
HF Energy-474.418859
Nuclear repulsion energy78.221270
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 MP4/daug-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 3153 3153        
2 A1 1780 1780        
3 A1 1381 1381        
4 A1 830 830        
5 B1 675 675        
6 B1 406 406        
7 B2 3245 3245        
8 B2 930 930        
9 B2 348 348        

Unscaled Zero Point Vibrational Energy (zpe) 6373.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6373.9 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 MP4/daug-cc-pVTZ
ABC
9.54533 0.18564 0.18210

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.771
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.122
H4 0.000 0.936 -2.316
H5 0.000 -0.936 -2.316

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32072.89361.08291.0829
C21.32071.57292.08702.0870
S32.89361.57293.56333.5633
H41.08292.08703.56331.8721
H51.08292.08703.56331.8721

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 120.191
C2 C1 H5 120.191 H4 C1 H5 119.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability