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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-474.530816
Energy at 298.15K 
HF Energy-474.291042
Nuclear repulsion energy76.449139
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/SDD
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 3146 3037 14.61 166.45 0.12 0.22
2 A1 1753 1692 277.59 0.78 0.36 0.53
3 A1 1441 1391 4.73 13.51 0.56 0.72
4 A1 800 772 2.90 30.67 0.36 0.53
5 B1 793 765 136.29 3.43 0.75 0.86
6 B1 362 350 7.14 0.01 0.75 0.86
7 B2 3251 3138 0.17 92.77 0.75 0.86
8 B2 990 956 0.01 0.37 0.75 0.86
9 B2 352 340 7.33 0.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6444.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 6220.5 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/SDD
ABC
9.45545 0.17696 0.17371

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.811
C2 0.000 0.000 -0.467
S3 0.000 0.000 1.151
H4 0.000 0.940 -2.370
H5 0.000 -0.940 -2.370

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.34392.96181.09421.0942
C21.34391.61792.12282.1228
S32.96181.61793.64443.6444
H41.09422.12283.64441.8810
H51.09422.12283.64441.8810

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 120.735
C2 C1 H5 120.735 H4 C1 H5 118.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability