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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-474.965580
Energy at 298.15K 
HF Energy-474.418811
Nuclear repulsion energy79.005918
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3217 3054 30.68 169.83 0.13 0.22
2 A1 1835 1743 339.09 4.44 0.11 0.20
3 A1 1402 1331 1.32 11.69 0.61 0.76
4 A1 873 828 4.37 29.23 0.24 0.39
5 B1 711 675 84.91 2.10 0.75 0.86
6 B1 443 421 5.38 0.10 0.75 0.86
7 B2 3294 3127 5.57 87.83 0.75 0.86
8 B2 939 892 0.16 0.21 0.75 0.86
9 B2 366 348 2.38 0.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6539.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 6208.9 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/cc-pVTZ
ABC
9.65268 0.18948 0.18583

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.754
C2 0.000 0.000 -0.444
S3 0.000 0.000 1.111
H4 0.000 0.931 -2.293
H5 0.000 -0.931 -2.293

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30952.86461.07551.0755
C21.30951.55512.06942.0694
S32.86461.55513.52843.5284
H41.07552.06943.52841.8616
H51.07552.06943.52841.8616

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 120.063
C2 C1 H5 120.063 H4 C1 H5 119.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability