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Experimental data for CH3CSCH3 (Thioacetone)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H6S/c1-3(2)4/h1-2H3 JTNXQVCPQMQLHK-UHFFFAOYSA-N S=C(C)C
State Conformation
1A1 C2V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
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
8 A1 363   webbook      
17 B1 153   webbook      

Calculated vibrational frequencies for CH3CSCH3 (Thioacetone).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.19183 0.17704 1974Kro/Lan:265 A0-DK = 48572.86 MHz

Calculated rotational constants for CH3CSCH3 (Thioacetone).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Thioacetone

Point Group C2v


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 CH3CSCH3 (Thioacetone).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-C 2
C=S 1
H-C 6

Connectivity
Atom 1 Atom 2
C1 S2
C1 C3
C1 C4
C3 H5
C3 H7
C3 H8
C4 H6
C4 H9
C4 H10
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A1

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
8.600 0.050     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 1A1 C2v True           C2v 1 2
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 CH3CSCH3 (Thioacetone).
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 1A1 C2v True       C2v 1 2

Calculated electric quadrupole moments for CH3CSCH3 (Thioacetone).

References
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squib reference DOI
1974Kro/Lan:265 HW Kroto, BM Landsberg, RJ Suffolk, A Vodden "The photoelectron and microwave spectra of the unstable species thioacetaldehyde, CH3CHS, and tioacetone, (CH3)2CS" Chemical Physics Letters 29 (2), 265, 1974 10.1016/0009-2614(74)85029-3
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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