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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: MP3/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/Def2TZVPP
 hartrees
Energy at 0K-474.918955
Energy at 298.15K 
HF Energy-474.416517
Nuclear repulsion energy79.069046
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 MP3/Def2TZVPP
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 3207 3207 21.91      
2 A1 1846 1846 373.05      
3 A1 1418 1418 0.00      
4 A1 883 883 13.18      
5 B1 739 739 78.65      
6 B1 426 426 5.33      
7 B2 3300 3300 3.07      
8 B2 963 963 0.76      
9 B2 367 367 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 6574.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6574.5 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 MP3/Def2TZVPP
ABC
9.62319 0.18984 0.18617

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.752
C2 0.000 0.000 -0.442
S3 0.000 0.000 1.110
H4 0.000 0.932 -2.294
H5 0.000 -0.932 -2.294

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30992.86161.07841.0784
C21.30991.55172.07332.0733
S32.86161.55173.52903.5290
H41.07842.07333.52901.8645
H51.07842.07333.52901.8645

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 120.174
C2 C1 H5 120.174 H4 C1 H5 119.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability