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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: CCSD(T)/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-474.963347
Energy at 298.15K 
HF Energy-474.421563
Nuclear repulsion energy78.499230
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 CCSD(T)/aug-cc-pV(T+d)Z
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 3156 3156        
2 A1 1789 1789        
3 A1 1389 1389        
4 A1 839 839        
5 B1 704 704        
6 B1 405 405        
7 B2 3246 3246        
8 B2 941 941        
9 B2 350 350        

Unscaled Zero Point Vibrational Energy (zpe) 6409.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6409.0 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 CCSD(T)/aug-cc-pV(T+d)Z
ABC
9.55732 0.18703 0.18344

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.765
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.118
H4 0.000 0.935 -2.309
H5 0.000 -0.935 -2.309

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31762.88281.08241.0824
C21.31761.56532.08382.0838
S32.88281.56533.55273.5527
H41.08242.08383.55271.8709
H51.08242.08383.55271.8709

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 119.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability