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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-472.205333
Energy at 298.15K 
HF Energy-471.974131
Nuclear repulsion energy77.370077
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 CID/3-21G
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 3201 2982 18.81      
2 A1 1867 1740 239.63      
3 A1 1492 1390 0.23      
4 A1 816 760 16.97      
5 B1 887 826 98.47      
6 B1 418 389 4.03      
7 B2 3276 3052 1.29      
8 B2 1034 963 0.03      
9 B2 355 331 3.58      

Unscaled Zero Point Vibrational Energy (zpe) 6673.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 6216.9 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 CID/3-21G
ABC
9.70212 0.18153 0.17820

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.780
C2 0.000 0.000 -0.476
S3 0.000 0.000 1.139
H4 0.000 0.928 -2.340
H5 0.000 -0.928 -2.340

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30362.91861.08431.0843
C21.30361.61492.08222.0822
S32.91861.61493.60053.6005
H41.08432.08223.60051.8569
H51.08432.08223.60051.8569

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 121.103
C2 C1 H5 121.103 H4 C1 H5 117.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability