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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-475.038993
Energy at 298.15K 
HF Energy-474.419810
Nuclear repulsion energy78.655700
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(T)=FULL/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 3184 3184        
2 A1 1814 1814        
3 A1 1398 1398        
4 A1 847 847        
5 B1 735 735        
6 B1 415 415        
7 B2 3237 3237        
8 B2 944 944        
9 B2 350 350        

Unscaled Zero Point Vibrational Energy (zpe) 6461.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6461.3 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(T)=FULL/daug-cc-pVTZ
ABC
9.65988 0.18776 0.18418

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.760
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.116
H4 0.000 0.930 -2.304
H5 0.000 -0.930 -2.304

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31082.87641.07791.0779
C21.31081.56562.07532.0753
S32.87641.56563.54483.5448
H41.07792.07533.54481.8610
H51.07792.07533.54481.8610

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 120.321
C2 C1 H5 120.321 H4 C1 H5 119.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability