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Experimental data for C3H6S (Thiirane, methyl-)

22 02 02 11 45
Other names
1,2-Epithiopropane; 2-Methylthiacyclopropane; 2-Methylthiirane; Methylthiirane; Propane, 1,2-epithio-; Propene sulfide; Propylene episulfide; Propylene sulfide; Propylene sulphide; Thiirane, 2-methyl-; Thiirane, methyl-;
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H6S/c1-3-2-4-3/h3H,2H2,1H3 MBNVSWHUJDDZRH-UHFFFAOYSA-N C[C@@H]1SC1 2-Methylthiirane
State Conformation
1A C1
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation 46.11 2.00 kJ mol-1 1970COX/PIL
Hfg(0K) enthalpy of formation   2.00 kJ mol-1 1970COX/PIL
Entropy (298.15K) entropy     J K-1 mol-1  
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity     kJ mol-1  
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for C3H6S (Thiirane, methyl-).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.38857 0.16225 0.13165 1963But:2310

Calculated rotational constants for C3H6S (Thiirane, methyl-).
Product of moments of inertia moments of inertia
577182.6amu3Å6   2.6429030787615E-114gm3 cm6
Geometric Data
picture of Thiirane, methyl-

Point Group C1


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for C3H6S (Thiirane, methyl-).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 6
C-C 2
C-S 2

Connectivity
Atom 1 Atom 2
C1 C2
C1 H5
C1 H6
C1 H7
C2 C3
C2 S4
C2 H8
C3 S4
C3 H9
C3 H10
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
8.850   8.880   webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
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       1.950 NSRDS-NBS10 MW C1 3 5
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for C3H6S (Thiirane, methyl-).
Electric quadrupole moment quadrupole
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       C1 3 5

Calculated electric quadrupole moments for C3H6S (Thiirane, methyl-).

References
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squib reference DOI
1963But:2310 Butcher, S. "Microwave Spectrum of Propylene Sulfide." Journal of Chemical Physics. 38, 2310-2311 (1963) 10.1063/1.1733974
1970COX/PIL J.D. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds" Academic Press, London, 1970 10.1002/bbpc.19700740727
NSRDS-NBS10 R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 10.6028/NBS.NSRDS.10
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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