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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-473.014426
Energy at 298.15K 
HF Energy-472.905174
Nuclear repulsion energy78.598214
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 B2PLYP=FULLultrafine/3-21G*
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 3182 3182 26.42 157.44 0.12 0.22
2 A1 1842 1842 304.21 2.98 0.17 0.29
3 A1 1462 1462 3.32 23.41 0.56 0.72
4 A1 857 857 12.30 26.16 0.31 0.48
5 B1 797 797 116.65 0.75 0.75 0.86
6 B1 422 422 3.39 2.10 0.75 0.86
7 B2 3258 3258 2.70 107.05 0.75 0.86
8 B2 1009 1009 0.98 1.16 0.75 0.86
9 B2 366 366 2.65 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6596.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6596.7 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 B2PLYP=FULLultrafine/3-21G*
ABC
9.70524 0.18751 0.18396

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.759
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.117
H4 0.000 0.928 -2.318
H5 0.000 -0.928 -2.318

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31032.87581.08391.0839
C21.31031.56552.08762.0876
S32.87581.56553.55863.5586
H41.08392.08763.55861.8566
H51.08392.08763.55861.8566

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 121.080
C2 C1 H5 121.080 H4 C1 H5 117.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability