1,3,4,6-Tetrathiapentalene-2,5-dione or thiapendione is a chemical compound with a formula C4O2S4. It is a dithiole containing two carbonyl groups that is used in the synthesis of sulfur heterocyclic compounds.[1]
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Other names
Thiapendione
[1,3]Dithiolo[4,5-d][1,3]dithiole-2,5-dione | |
Identifiers | |
3D model (JSmol)
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.151.101 |
EC Number |
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PubChem CID
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Properties | |
C4O2S4 | |
Molar mass | 208.28 g·mol−1 |
Density | 2 g/cm3[1] |
Structure[1] | |
Monoclinic | |
P21/c | |
a = 3.9321(8) Å, b = 10.886(2) Å, c = 8.3000(9) Å α = 90°, β = 103.60(1)°, γ = 90°
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Formula units (Z)
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2 |
D2h | |
0 D | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References
edit- ^ a b c Müller, H.; Averbuch, M.-T. (1999). "1,3,4,6-Tetrathiapentalene-2,5-dione". Acta Crystallographica Section C Crystal Structure Communications. 55 (4): 590–592. Bibcode:1999AcCrC..55..590M. doi:10.1107/S0108270198014346.