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 energy | 101.115180 |
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
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 |
| S1 | | 1.8220 | 1.8220 | 2.4798 | 2.4798 | 2.4798 | 2.4798 |
C2 | 1.8220 | | 1.4828 | 1.0809 | 1.0809 | 2.2075 | 2.2075 | C3 | 1.8220 | 1.4828 | | 2.2075 | 2.2075 | 1.0809 | 1.0809 | H4 | 2.4798 | 1.0809 | 2.2075 | | 1.8287 | 3.0963 | 2.4985 | H5 | 2.4798 | 1.0809 | 2.2075 | 1.8287 | | 2.4985 | 3.0963 | H6 | 2.4798 | 2.2075 | 1.0809 | 3.0963 | 2.4985 | | 1.8287 | H7 | 2.4798 | 2.2075 | 1.0809 | 2.4985 | 3.0963 | 1.8287 | |
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