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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: MP3/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 MP3/daug-cc-pVTZ
 hartrees
Energy at 0K-476.167028
Energy at 298.15K 
HF Energy-475.612157
Nuclear repulsion energy101.180040
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 MP3/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3/daug-cc-pVTZ
ABC
0.73817 0.35938 0.26750

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/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 0.742 -0.798
C3 0.000 -0.742 -0.798
H4 -0.913 1.248 -1.069
H5 0.913 1.248 -1.069
H6 0.913 -1.248 -1.069
H7 -0.913 -1.248 -1.069

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82121.82122.47692.47692.47692.4769
C21.82121.48311.07891.07892.20582.2058
C31.82121.48312.20582.20581.07891.0789
H42.47691.07892.20581.82673.09272.4956
H52.47691.07892.20581.82672.49563.0927
H62.47692.20581.07893.09272.49561.8267
H72.47692.20581.07892.49563.09271.8267

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.973 S1 C2 H4 114.886
S1 C2 H5 114.886 S1 C3 C2 65.973
S1 C3 H6 114.886 S1 C3 H7 114.886
C2 S1 C3 48.054 C2 C3 H6 117.983
C2 C3 H7 117.983 C3 C2 H4 117.983
C3 C2 H5 117.983 H4 C2 H5 115.665
H6 C3 H7 115.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability