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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP4/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 MP4/cc-pV(T+d)Z
 hartrees
Energy at 0K-474.958088
Energy at 298.15K 
HF Energy-474.420148
Nuclear repulsion energy78.368197
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/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 3160 3160        
2 A1 1788 1788        
3 A1 1388 1388        
4 A1 834 834        
5 B1 681 681        
6 B1 413 413        
7 B2 3252 3252        
8 B2 934 934        
9 B2 354 354        

Unscaled Zero Point Vibrational Energy (zpe) 6402.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6402.3 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 MP4/cc-pV(T+d)Z
ABC
9.56056 0.18634 0.18277

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.768
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.120
H4 0.000 0.935 -2.313
H5 0.000 -0.935 -2.313

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32062.88851.08211.0821
C21.32061.56792.08632.0863
S32.88851.56793.55793.5579
H41.08212.08633.55791.8706
H51.08212.08633.55791.8706

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 120.197
C2 C1 H5 120.197 H4 C1 H5 119.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability