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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2=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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-474.764123
Energy at 298.15K 
HF Energy-474.358626
Nuclear repulsion energy78.676548
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=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 3255 3041 24.59 157.80 0.12 0.21
2 A1 1858 1736 287.27 0.29 0.15 0.26
3 A1 1437 1343 0.32 14.96 0.58 0.73
4 A1 879 822 4.96 27.54 0.28 0.44
5 B1 700 654 89.55 0.29 0.75 0.86
6 B1 417 389 1.21 1.04 0.75 0.86
7 B2 3356 3136 2.62 98.41 0.75 0.86
8 B2 970 906 0.01 0.37 0.75 0.86
9 B2 359 336 1.81 0.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6615.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 6181.5 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=FULL/6-31G**
ABC
9.65604 0.18779 0.18421

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.761
C2 0.000 0.000 -0.445
S3 0.000 0.000 1.116
H4 0.000 0.931 -2.307
H5 0.000 -0.931 -2.307

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31632.87701.07891.0789
C21.31631.56072.08162.0816
S32.87701.56073.54703.5470
H41.07892.08163.54701.8613
H51.07892.08163.54701.8613

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 120.387
C2 C1 H5 120.387 H4 C1 H5 119.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability