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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: QCISD/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-476.167536
Energy at 298.15K 
HF Energy-475.612069
Nuclear repulsion energy101.115180
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/daug-cc-pVTZ
ABC
0.73765 0.35886 0.26721

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.866
C2 0.000 0.741 -0.798
C3 0.000 -0.741 -0.798
H4 -0.914 1.249 -1.071
H5 0.914 1.249 -1.071
H6 0.914 -1.249 -1.071
H7 -0.914 -1.249 -1.071

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82201.82202.47982.47982.47982.4798
C21.82201.48281.08091.08092.20752.2075
C31.82201.48282.20752.20751.08091.0809
H42.47981.08092.20751.82873.09632.4985
H52.47981.08092.20751.82872.49853.0963
H62.47982.20751.08093.09632.49851.8287
H72.47982.20751.08092.49853.09631.8287

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.990 S1 C2 H4 114.943
S1 C2 H5 114.943 S1 C3 C2 65.990
S1 C3 H6 114.943 S1 C3 H7 114.943
C2 S1 C3 48.020 C2 C3 H6 118.024
C2 C3 H7 118.024 C3 C2 H4 118.024
C3 C2 H5 118.024 H4 C2 H5 115.538
H6 C3 H7 115.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability