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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
| You are here: Experimental > One molecule all properties | |
| Other names |
|---|
| Thioacetaldehyde; ethanethial; |
| INChI | INChIKey | SMILES | IUPAC name |
|---|---|---|---|
| InChI=1S/C2H4S/c1-2-3/h2H,1H3 | QJFUMFCCMJJLIE-UHFFFAOYSA-N | CC=S | ethanethial |
| State | Conformation |
|---|---|
| 1A' | C1 |
| Property | Value | Uncertainty | units | Reference | Comment |
|---|---|---|---|---|---|
Hfg(298.15K) ![]() |
50.00 | 8.00 | kJ mol-1 | webbook | |
Hfg(0K) ![]() |
8.00 | kJ mol-1 | webbook | ||
Entropy (298.15K) ![]() |
J K-1 mol-1 | ||||
Integrated Heat Capacity (0 to 298.15K) ![]() |
kJ mol-1 |
| Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
|---|---|---|---|---|---|---|---|---|---|
| Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
| A | B | C | reference | comment |
|---|---|---|---|---|
Product of moments of inertia ![]() | ||||
|---|---|---|---|---|
| amu3Å6 | 0 | gm3 cm6 | ||
Point Group Cs
| Description | Value | unc. | Connectivity | Reference | Comment | |||
|---|---|---|---|---|---|---|---|---|
| Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
| rCS | 1.610 | 1 | 3 | 1987Kuchitsu(II/15) | ||||
| rCH | 1.089 | 1 | 4 | 1987Kuchitsu(II/15) | C has =S | |||
| rCC | 1.506 | 1 | 2 | 1987Kuchitsu(II/15) | ||||
| rCH | 1.090 | 2 | 5 | 1987Kuchitsu(II/15) | in plane H | |||
| rCH | 1.098 | 2 | 6 | 1987Kuchitsu(II/15) | out of plane H | |||
| aCCS | 125.28 | 2 | 1 | 3 | 1987Kuchitsu(II/15) | |||
| aHCC | 119.4 | 2 | 1 | 4 | 1987Kuchitsu(II/15) | to single H | ||
| aHCC | 111.2 | 1 | 2 | 5 | 1987Kuchitsu(II/15) | to in plane H | ||
| aHCC | 110.12 | 1 | 2 | 6 | 1987Kuchitsu(II/15) | to out of plane H | ||
| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| C1 | 0.0000 | 0.6274 | 0.0000 |
| C2 | -1.5051 | 0.6806 | 0.0000 |
| S3 | 0.8829 | -0.7189 | 0.0000 |
| H4 | 0.5678 | 1.5567 | 0.0000 |
| H5 | -1.9349 | -0.3210 | 0.0000 |
| H6 | -1.8643 | 1.2092 | 0.8929 |
| H7 | -1.8643 | 1.2092 | -0.8929 |
| C1 | C2 | S3 | H4 | H5 | H6 | H7 | |
|---|---|---|---|---|---|---|---|
| C1 | 1.5060 | 1.6100 | 1.0890 | 2.1549 | 2.1474 | 2.1474 | |
| C2 | 1.5060 | 2.7678 | 2.2504 | 1.0900 | 1.0980 | 1.0980 | |
| S3 | 1.6100 | 2.7678 | 2.2973 | 2.8457 | 3.4730 | 3.4730 | |
| H4 | 1.0890 | 2.2504 | 2.2973 | 3.1288 | 2.6140 | 2.6140 | |
| H5 | 2.1549 | 1.0900 | 2.8457 | 3.1288 | 1.7730 | 1.7730 | |
| H6 | 2.1474 | 1.0980 | 3.4730 | 2.6140 | 1.7730 | 1.7857 | |
| H7 | 2.1474 | 1.0980 | 3.4730 | 2.6140 | 1.7730 | 1.7857 |
Experimental Bond Angles (degrees) from cartesians
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| C1 | C2 | H5 | 111.200 | C1 | C2 | H6 | 110.120 | |
| C1 | C2 | H7 | 110.120 | C2 | C1 | S3 | 125.280 | |
| C2 | C1 | H4 | 119.400 | S3 | C1 | H4 | 115.320 | |
| H5 | C2 | H6 | 108.259 | H5 | C2 | H7 | 108.259 | |
| H6 | C2 | H7 | 108.815 |
Bond descriptions
| Bond Type | Count |
|---|---|
| H-C | 4 |
| C-C | 1 |
| C=S | 1 |
| Atom 1 | Atom 2 |
|---|---|
| C1 | C2 |
| C1 | S3 |
| C1 | H4 |
| C2 | H5 |
| C2 | H6 |
| C2 | H7 |
| Energy (cm-1) | Degeneracy | reference | description |
|---|---|---|---|
| 0 | 1 | 1A' |
| Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
|---|---|---|---|---|
| 9.300 | webbook |
| State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x | y | z | total | dipole | quadrupole | ||||||||
| 1 | 1 | 1A' | C1 | True | Cs | 2 | 3 | ||||||
| State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| xx | yy | zz | dipole | quadrupole | ||||||||
| 1 | 1 | 1A' | C1 | True | Cs | 2 | 3 | |||||
| squib | reference | DOI |
|---|---|---|
| 1987Kuchitsu(II/15) | Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 15: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1987. | |
| webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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