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Diquino[4,3-b;3′,4′-e][1,4]thia­selenine

✍ Scribed by Besnard, Céline ;Kloc, Christian ;Siegrist, Theo ;Svensson, Christer ;Pluta, Krystian

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
225 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 18 H 10 N 2 SSe, is a pentacyclic ring system folded along the SÁ Á ÁSe vector. The central thiaselenine ring adopts a boat conformation and the two halves of the molecule are related by a crystallographic mirror plane.

📜 SIMILAR VOLUMES

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✍ Prof. Dr. M. J. Janssen; J. Bos 📂 Article 📅 1969 🏛 John Wiley and Sons 🌐 English ⚖ 255 KB 👁 1 views

n anes [51. As a result the intramolecular Cl.. . C1 contacts are increased to values ranging from 3.308 to 3.338 A, and the planes of the four chlorines above, and the four chlorines below the central ring are separated by 2.454 A. The bond distances give no evidence for conjugation. The distances

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The title compound, C 13 H 13 FN 4 S,was prepared by the reaction of 4-amino-5-mercapto-3-propyl-1,2,4-triazole and 2-bromo-4 0 -fluoroacetophenone. The bond lengths and angles show normal values. The thiadiazine ring is non-planar.

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✍ Zhang, Li-Xue ;Jin, Jian-Yu ;Zhou, San-Nu ;Xiao, Hong-Ping ;Zhang, An-Jiang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 109 KB

In the title compound, C 11 H 9 FN 4 S, the triazole ring is planar, whereas the thiadiazine may be regarded as having a screwboat conformation.

3-Phenyl-4a,5-di­hydro-1,2,4-triazolo­[3
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✍ Aravindan, P. G. ;Rajakannan, V. ;Yogavel, M. ;Velmurugan, D. ;Senthilvelan, A. 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 302 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.044 wR factor = 0.146 Data-to-parameter ratio = 12.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.