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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-475.017566
Energy at 298.15K 
HF Energy-474.418507
Nuclear repulsion energy78.657675
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 QCISD(T)=FULL/cc-pVTZ
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 3189 3052        
2 A1 1813 1735        
3 A1 1405 1344        
4 A1 847 811        
5 B1 743 711        
6 B1 423 405        
7 B2 3259 3118        
8 B2 945 905        
9 B2 360 345        

Unscaled Zero Point Vibrational Energy (zpe) 6492.3 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 6212.5 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 QCISD(T)=FULL/cc-pVTZ
ABC
9.65328 0.18775 0.18417

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.760
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.116
H4 0.000 0.931 -2.302
H5 0.000 -0.931 -2.302

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31142.87691.07711.0771
C21.31141.56552.07392.0739
S32.87691.56553.54323.5432
H41.07712.07393.54321.8616
H51.07712.07393.54321.8616

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 120.209
C2 C1 H5 120.209 H4 C1 H5 119.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability