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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-474.897392
Energy at 298.15K 
HF Energy-474.416153
Nuclear repulsion energy78.881273
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 MP2/Def2TZVPP
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 3193 3038 29.05 171.67 0.12 0.21
2 A1 1818 1730 344.02 7.31 0.14 0.24
3 A1 1394 1326 1.12 11.65 0.57 0.73
4 A1 870 828 4.22 30.05 0.22 0.36
5 B1 673 641 86.36 3.05 0.75 0.86
6 B1 429 408 5.10 0.09 0.75 0.86
7 B2 3291 3132 5.51 83.82 0.75 0.86
8 B2 939 894 0.36 0.06 0.75 0.86
9 B2 360 343 2.52 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6483.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 6169.0 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 MP2/Def2TZVPP
ABC
9.58045 0.18888 0.18522

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

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 -0.442
S3 0.000 0.000 1.112
H4 0.000 0.934 -2.299
H5 0.000 -0.934 -2.299

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31612.86971.07981.0798
C21.31611.55362.07922.0792
S32.86971.55363.53673.5367
H41.07982.07923.53671.8686
H51.07982.07923.53671.8686

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 120.088
C2 C1 H5 120.088 H4 C1 H5 119.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability