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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-474.770357
Energy at 298.15K 
HF Energy-474.380229
Nuclear repulsion energy77.948110
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/cc-pVDZ
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 3200 3048 26.72 169.27 0.12 0.21
2 A1 1832 1745 287.72 1.28 0.02 0.04
3 A1 1378 1312 1.44 12.47 0.58 0.74
4 A1 867 825 3.58 27.53 0.28 0.44
5 B1 653 622 86.60 0.72 0.75 0.86
6 B1 416 397 1.40 0.44 0.75 0.86
7 B2 3308 3151 4.54 104.36 0.75 0.86
8 B2 931 887 0.00 0.35 0.75 0.86
9 B2 355 338 1.95 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6470.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 6162.6 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 MP2/cc-pVDZ
ABC
9.33964 0.18450 0.18092

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.778
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.125
H4 0.000 0.946 -2.326
H5 0.000 -0.946 -2.326

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32952.90311.09371.0937
C21.32951.57362.10292.1029
S32.90311.57363.57893.5789
H41.09372.10293.57891.8926
H51.09372.10293.57891.8926

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 120.094
C2 C1 H5 120.094 H4 C1 H5 119.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability