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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-474.791560
Energy at 298.15K 
HF Energy-474.380492
Nuclear repulsion energy78.033854
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 CCD/cc-pVDZ
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 3193 3054 15.55      
2 A1 1857 1777 282.48      
3 A1 1399 1339 0.00      
4 A1 872 835 10.54      
5 B1 725 694 75.13      
6 B1 411 393 1.99      
7 B2 3295 3152 1.53      
8 B2 955 913 0.19      
9 B2 358 343 1.74      

Unscaled Zero Point Vibrational Energy (zpe) 6532.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6249.3 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 CCD/cc-pVDZ
ABC
9.34987 0.18498 0.18139

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.774
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.124
H4 0.000 0.946 -2.325
H5 0.000 -0.946 -2.325

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32532.89841.09451.0945
C21.32531.57312.10102.1010
S32.89841.57313.57663.5766
H41.09452.10103.57661.8916
H51.09452.10103.57661.8916

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 120.219
C2 C1 H5 120.219 H4 C1 H5 119.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability