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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 |
|---|
| 2-Thiapropane; 2-Thiopropane; Dimethyl monosulfide; Dimethyl sulfide; Dimethyl sulphide; Dimethyl thioether; Dimethylsulfid; DMS; Exact-S; Methane, thiobis-; Methyl Monosulfide; Methyl sulfide; Methyl sulphide; Methylthiomethane; Sulfure de methyle; Thiobismethane; dimethylsulfane; |
| INChI | INChIKey | SMILES | IUPAC name |
|---|---|---|---|
| InChI=1S/C2H6S/c1-3-2/h1-2H3 | QMMFVYPAHWMCMS-UHFFFAOYSA-N | CSC | dimethylsulfane |
| State | Conformation |
|---|---|
| 1A1 | C2V |
| Property | Value | Uncertainty | units | Reference | Comment |
|---|---|---|---|---|---|
Hfg(298.15K) ![]() |
-37.50 | 2.00 | kJ mol-1 | webbook | |
Hfg(0K) ![]() |
2.00 | kJ mol-1 | webbook | ||
Entropy (298.15K) ![]() |
285.96 | J K-1 mol-1 | TRC | ||
Integrated Heat Capacity (0 to 298.15K) ![]() |
15.72 | kJ mol-1 | TRC | ||
Heat Capacity (298.15K) ![]() |
74.06 | J K-1 mol-1 | TRC |
| Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
|---|---|---|---|---|---|---|---|---|---|
| Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
| 1 | A1 | 2997 | 1994Ell/Ste:913-928 | ||||||
| 2 | A1 | 2925 | |||||||
| 3 | A1 | 1447 | |||||||
| 4 | A1 | 1337 | |||||||
| 5 | A1 | 1030 | |||||||
| 6 | A1 | 695 | |||||||
| 7 | A1 | 280 | |||||||
| 8 | A2 | 2970 | 1994Ell/Ste:913-928 | ||||||
| 9 | A2 | 1427 | |||||||
| 10 | A2 | 946 | |||||||
| 11 | A2 | 175 | |||||||
| 12 | B1 | 2970 | 1994Ell/Ste:913-928 | B1 B2 switched | |||||
| 13 | B1 | 1439 | |||||||
| 14 | B1 | 973 | |||||||
| 15 | B1 | 183 | |||||||
| 16 | B2 | 2999 | 1994Ell/Ste:913-928 | B1 B2 switched | |||||
| 17 | B2 | 2919 | |||||||
| 18 | B2 | 1442 | |||||||
| 19 | B2 | 1315 | |||||||
| 20 | B2 | 903 | |||||||
| 21 | B2 | 742 | |||||||
| A | B | C | reference | comment |
|---|---|---|---|---|
| 0.59406 | 0.25421 | 0.19073 | 1966Herzberg |
Product of moments of inertia ![]() | ||||
|---|---|---|---|---|
| 166321.2 | amu3Å6 | 7.61580132115687E-115 | gm3 cm6 | |
Point Group C2v
| Description | Value | unc. | Connectivity | Reference | Comment | |||
|---|---|---|---|---|---|---|---|---|
| Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
| rCS | 1.802 | 1 | 2 | 1961Pie/Hay:479-485 | ||||
| rCH | 1.091 | 2 | 4 | 1961Pie/Hay:479-485 | ||||
| aCSC | 98.9 | 2 | 1 | 3 | 1961Pie/Hay:479-485 | |||
| aHCH | 109.6 | 4 | 2 | 6 | 1961Pie/Hay:479-485 | |||
| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| S1 | 0.0000 | 0.5892 | 0.0000 |
| C2 | 1.3692 | -0.5828 | 0.0000 |
| C3 | -1.3692 | -0.5828 | 0.0000 |
| H4 | 2.2861 | 0.0081 | 0.0000 |
| H5 | -2.2861 | 0.0081 | 0.0000 |
| H6 | 1.3392 | -1.2114 | 0.8909 |
| H7 | 1.3392 | -1.2114 | -0.8909 |
| H8 | -1.3392 | -1.2114 | -0.8909 |
| H9 | -1.3392 | -1.2114 | 0.8909 |
| S1 | C2 | C3 | H4 | H5 | H6 | H7 | H8 | H9 | |
|---|---|---|---|---|---|---|---|---|---|
| S1 | 1.8023 | 1.8023 | 2.3588 | 2.3588 | 2.4144 | 2.4144 | 2.4144 | 2.4144 | |
| C2 | 1.8023 | 2.7384 | 1.0908 | 3.7028 | 1.0908 | 1.0908 | 2.9196 | 2.9196 | |
| C3 | 1.8023 | 2.7384 | 3.7028 | 1.0908 | 2.9196 | 2.9196 | 1.0908 | 1.0908 | |
| H4 | 2.3588 | 1.0908 | 3.7028 | 4.5722 | 1.7826 | 1.7826 | 3.9273 | 3.9273 | |
| H5 | 2.3588 | 3.7028 | 1.0908 | 4.5722 | 3.9273 | 3.9273 | 1.7826 | 1.7826 | |
| H6 | 2.4144 | 1.0908 | 2.9196 | 1.7826 | 3.9273 | 1.7818 | 3.2169 | 2.6784 | |
| H7 | 2.4144 | 1.0908 | 2.9196 | 1.7826 | 3.9273 | 1.7818 | 2.6784 | 3.2169 | |
| H8 | 2.4144 | 2.9196 | 1.0908 | 3.9273 | 1.7826 | 3.2169 | 2.6784 | 1.7818 | |
| H9 | 2.4144 | 2.9196 | 1.0908 | 3.9273 | 1.7826 | 2.6784 | 3.2169 | 1.7818 |
Experimental Bond Angles (degrees) from cartesians
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| S1 | C2 | H4 | 106.637 | S1 | C2 | H6 | 110.724 | |
| S1 | C2 | H7 | 110.724 | S1 | C3 | H5 | 106.637 | |
| S1 | C3 | H8 | 110.724 | S1 | C3 | H9 | 110.724 | |
| C2 | S1 | C3 | 98.875 | H4 | C2 | H6 | 109.591 | |
| H4 | C2 | H7 | 109.591 | H5 | C3 | H8 | 109.591 | |
| H5 | C3 | H9 | 109.591 | H6 | C2 | H7 | 109.527 | |
| H8 | C3 | H9 | 109.527 |
Bond descriptions
| Bond Type | Count |
|---|---|
| C-S | 2 |
| H-C | 6 |
| Atom 1 | Atom 2 |
|---|---|
| S1 | C2 |
| S1 | C3 |
| C2 | H4 |
| C2 | H6 |
| C2 | H7 |
| C3 | H5 |
| C3 | H8 |
| C3 | H9 |
| Energy (cm-1) | Degeneracy | reference | description |
|---|---|---|---|
| 0 | 1 | 1A1 |
| Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
|---|---|---|---|---|
| 8.690 | 0.020 | 8.720 | webbook |
| State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x | y | z | total | dipole | quadrupole | ||||||||
| 1 | 1 | 1A1 | C2v | True | 1.500 | 1961Pie/Hay:479-485 | MW +-0.01 μ0 | C2v | 1 | 2 | |||
| State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| xx | yy | zz | dipole | quadrupole | ||||||||
| 1 | 1 | 1A1 | C2v | True | -1.700 | 3.200 | -1.500 | 1984Gra/Gub | +-0.8, +-0.5, +-0.5 | C2v | 1 | 2 |
| alpha | unc. | Reference |
|---|---|---|
| 7.550 | 1984Gra/Gub |
| squib | reference | DOI |
|---|---|---|
| 1961Pie/Hay:479-485 | L Pierce, M Hayashi "Microwave Spectrum, Dipole Moment, Structure, and Internal Rotation of Dimethyl Sulfide" J. Chem. Phys. 35, 479 (1961) | 10.1063/1.1731956 |
| 1966Herzberg | Herzberg, G., Electronic spectra and electronic structure of polyatomic molecules,Van Nostrand,New York, 1966 | |
| 1984Gra/Gub | CG Gray, KE Gubbins "Theory of molecular fluids. Volume 1:Fundamentals" Clarendon Press, Oxford 1984 | |
| 1994Ell/Ste:913-928 | J Ellwood, D Steele "Vibrational absorption intensities in chemical analysis--VIII. Dimethyl sulphide" Spectrochimica Acta, Vol. 50A, No. 5, pp. 913-928, 1994 | 10.1016/0584-8539(94)80140-1 |
| TRC | Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994 | |
| webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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