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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD(T)=FULL/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-475.103672
Energy at 298.15K 
HF Energy-474.422153
Nuclear repulsion energy78.783160
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/aug-cc-pV(T+d)Z
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 3189 3189        
2 A1 1814 1814        
3 A1 1403 1403        
4 A1 850 850        
5 B1 735 735        
6 B1 421 421        
7 B2 3242 3242        
8 B2 958 958        
9 B2 353 353        

Unscaled Zero Point Vibrational Energy (zpe) 6481.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6481.7 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/aug-cc-pV(T+d)Z
ABC
9.65511 0.18838 0.18477

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.758
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.114
H4 0.000 0.931 -2.301
H5 0.000 -0.931 -2.301

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31102.87201.07791.0779
C21.31101.56102.07512.0751
S32.87201.56103.54023.5402
H41.07792.07513.54021.8614
H51.07792.07513.54021.8614

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 120.290
C2 C1 H5 120.290 H4 C1 H5 119.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability