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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: CCSD/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 CCSD/daug-cc-pVTZ
 hartrees
Energy at 0K-476.166782
Energy at 298.15K 
HF Energy-475.612095
Nuclear repulsion energy101.156460
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/daug-cc-pVTZ
ABC
0.73785 0.35928 0.26746

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 -0.797
C3 0.000 -0.741 -0.797
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
S11.82101.82102.47892.47892.47892.4789
C21.82101.48271.08071.08072.20712.2071
C31.82101.48272.20712.20711.08071.0807
H42.47891.08072.20711.82843.09552.4978
H52.47891.08072.20711.82842.49783.0955
H62.47892.20711.08073.09552.49781.8284
H72.47892.20711.08072.49783.09551.8284

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.977 S1 C2 H4 114.960
S1 C2 H5 114.960 S1 C3 C2 65.977
S1 C3 H6 114.960 S1 C3 H7 114.960
C2 S1 C3 48.046 C2 C3 H6 118.013
C2 C3 H7 118.013 C3 C2 H4 118.013
C3 C2 H5 118.013 H4 C2 H5 115.540
H6 C3 H7 115.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability