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2a′,8a′-Di­chloro-3,8-dioxo-1′,2′,2a′,8a′-tetra­hydro­di­spiro­[cyclo­propane-1,1′-cyclo­buta­[b]­naphthalene-2′,1′′-cyclo­propane]

✍ Scribed by Usman, Anwar ;Fun, Hoong-Kun ;Wang, Lei ;Zhang, Yan ;Xu, Jian-Hua

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

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✦ Synopsis

Single-crystal X-ray study T = 213 K Mean '(C±C) = 0.003 A Ê R factor = 0.078 wR factor = 0.199 Data-to-parameter ratio = 15.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

📜 SIMILAR VOLUMES

2a′-Chloro-3,8-dioxo-1′,2′,2a′,8a′-tetra
2a′-Chloro-3,8-dioxo-1′,2′,2a′,8a′-tetra­hydro­di­spiro­[cyclo­propane-1,1′-cyclo­buta­[b]­napthalene-2′,1′′-cyclo­propane]
✍ Wang, Lei ;Usman, Anwar ;Fun, Hoong-Kun ;Zhang, Yan ;Xu, Jian-Hua 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 184 KB

In the title compound, C 16 H 13 ClO 2 , the tetrahydrobenzene ring adopts a boat conformation, and both cyclopropyl groups are orthogonal to the cyclobutane ring. The Cl atom shows positional disorder.

2a,8a-Di­chloro-2a,8a-di­hydro-1-phenyl­
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✍ Shi, Hou-Guang ;Li, Xue-Mei ;Xu, Jian-Hua ;Zhang, Shu-Sheng ;Fun, Hoong-Kun 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 230 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê R factor = 0.047 wR factor = 0.128 Data-to-parameter ratio = 10.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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✍ Usman, Anwar ;Razak, Ibrahim Abdul ;Fun, Hoong-Kun ;Chantrapromma, Suchada ;Zhan 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 174 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.003 A Ê R factor = 0.062 wR factor = 0.176 Data-to-parameter ratio = 12.8 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.