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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: QCISD(T)=FULL/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/cc-pVQZ
 hartrees
Energy at 0K-476.342628
Energy at 298.15K 
HF Energy-475.620309
Nuclear repulsion energy101.383473
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/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVQZ
ABC
0.74098 0.36099 0.26873

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.864
C2 0.000 0.740 -0.795
C3 0.000 -0.740 -0.795
H4 -0.913 1.246 -1.069
H5 0.913 1.246 -1.069
H6 0.913 -1.246 -1.069
H7 -0.913 -1.246 -1.069

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81651.81652.47372.47372.47372.4737
C21.81651.47951.07901.07902.20242.2024
C31.81651.47952.20242.20241.07901.0790
H42.47371.07902.20241.82583.08902.4917
H52.47371.07902.20241.82582.49173.0890
H62.47372.20241.07903.08902.49171.8258
H72.47372.20241.07902.49173.08901.8258

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.968 S1 C2 H4 114.982
S1 C2 H5 114.982 S1 C3 C2 65.968
S1 C3 H6 114.982 S1 C3 H7 114.982
C2 S1 C3 48.063 C2 C3 H6 117.973
C2 C3 H7 117.973 C3 C2 H4 117.973
C3 C2 H5 117.973 H4 C2 H5 115.575
H6 C3 H7 115.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability