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trans-3,6-Bis­(chloro­phenyl­methyl­ene)-1,2,4,5-tetra­thia­ne

✍ Scribed by Jones, Peter G. ;Bubenitschek, Peter ;Sander, Wolfram ;Wierlacher, Stefan

Publisher
International Union of Crystallography
Year
2002
Tongue
English
Weight
181 KB
Volume
58
Category
Article
ISSN
1600-5368

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✦ Synopsis

Single-crystal X-ray study T = 133 K Mean '(C±C) = 0.005 A Ê R factor = 0.049 wR factor = 0.140 Data-to-parameter ratio = 14.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The crystal and molecular structure of the title compound, C 19 H 20 Cl 2 O 2 , reveals a chair conformation for the pyran ring in which the hydroxyl group is axially oriented. All the other substituents occupy equatorial positions. There are two molecules in the asymmetric unit.