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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CISD/daug-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 CISD/daug-cc-pVDZ
 hartrees
Energy at 0K-474.765564
Energy at 298.15K 
HF Energy-474.386702
Nuclear repulsion energy78.279068
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 CISD/daug-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 3240 3240 22.75      
2 A1 1863 1863 437.35      
3 A1 1423 1423 0.33      
4 A1 878 878 19.81      
5 B1 776 776 75.03      
6 B1 408 408 5.65      
7 B2 3342 3342 2.27      
8 B2 959 959 1.13      
9 B2 355 355 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 6622.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6622.5 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 CISD/daug-cc-pVDZ
ABC
9.47533 0.18607 0.18249

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.768
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.121
H4 0.000 0.939 -2.314
H5 0.000 -0.939 -2.314

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31812.88981.08651.0865
C21.31811.57162.08732.0873
S32.88981.57163.56173.5617
H41.08652.08733.56171.8790
H51.08652.08733.56171.8790

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 120.153
C2 C1 H5 120.153 H4 C1 H5 119.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability