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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-474.765921
Energy at 298.15K 
HF Energy-474.354832
Nuclear repulsion energy78.759146
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 MP3=FULL/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 3229 3030 18.96      
2 A1 1882 1766 306.66      
3 A1 1446 1357 0.06      
4 A1 890 835 13.96      
5 B1 756 709 90.68      
6 B1 417 391 1.65      
7 B2 3315 3110 1.35      
8 B2 992 931 0.02      
9 B2 363 341 1.94      

Unscaled Zero Point Vibrational Energy (zpe) 6644.6 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 6234.6 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 MP3=FULL/6-31G*
ABC
9.63130 0.18836 0.18475

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.756
C2 0.000 0.000 -0.445
S3 0.000 0.000 1.114
H4 0.000 0.932 -2.310
H5 0.000 -0.932 -2.310

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31092.87061.08401.0840
C21.31091.55972.08472.0847
S32.87061.55973.54903.5490
H41.08402.08473.54901.8637
H51.08402.08473.54901.8637

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 120.726
C2 C1 H5 120.726 H4 C1 H5 118.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability