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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: CCSD=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 CCSD=FULL/cc-pVQZ
 hartrees
Energy at 0K-476.312161
Energy at 298.15K 
HF Energy-475.620488
Nuclear repulsion energy101.771165
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=FULL/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVQZ
ABC
0.74458 0.36451 0.27098

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.860
C2 0.000 0.738 -0.791
C3 0.000 -0.738 -0.791
H4 -0.910 1.243 -1.066
H5 0.910 1.243 -1.066
H6 0.910 -1.243 -1.066
H7 -0.910 -1.243 -1.066

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80761.80762.46642.46642.46642.4664
C21.80761.47591.07691.07692.19772.1977
C31.80761.47592.19772.19771.07691.0769
H42.46641.07692.19771.82023.08162.4866
H52.46641.07692.19771.82022.48663.0816
H62.46642.19771.07693.08162.48661.8202
H72.46642.19771.07692.48663.08161.8202

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.904 S1 C2 H4 115.176
S1 C2 H5 115.176 S1 C3 C2 65.904
S1 C3 H6 115.176 S1 C3 H7 115.176
C2 S1 C3 48.191 C2 C3 H6 117.987
C2 C3 H7 117.987 C3 C2 H4 117.987
C3 C2 H5 117.987 H4 C2 H5 115.363
H6 C3 H7 115.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability