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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: QCISD(T)=FULL/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-475.114547
Energy at 298.15K 
HF Energy-474.428321
Nuclear repulsion energy78.760715
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/aug-cc-pVQZ
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 3166 3166        
2 A1 1808 1808        
3 A1 1391 1391        
4 A1 845 845        
5 B1 721 721        
6 B1 408 408        
7 B2 3260 3260        
8 B2 939 939        
9 B2 353 353        

Unscaled Zero Point Vibrational Energy (zpe) 6445.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6445.3 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 QCISD(T)=FULL/aug-cc-pVQZ
ABC
9.60725 0.18835 0.18473

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.758
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.114
H4 0.000 0.933 -2.301
H5 0.000 -0.933 -2.301

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31022.87211.07961.0796
C21.31021.56192.07492.0749
S32.87211.56193.54043.5404
H41.07962.07493.54041.8660
H51.07962.07493.54041.8660

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 120.203
C2 C1 H5 120.203 H4 C1 H5 119.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability