Single-crystal X-ray study T = 294 K Mean '(C±C) = 0.003 A Ê R factor = 0.036 wR factor = 0.091 Data-to-parameter ratio = 7.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
cis-2,4-Dinitro-6,8-dipropionyl-1H,5H-2,4,6,8-tetraazabicyclo[3.3.0]octane, a precursor of the energetic compound `bicyclo-HMX'
✍ Scribed by Gilardi, Richard ;George, Clifford ;Evans, Robin
- Publisher
- International Union of Crystallography
- Year
- 2002
- Tongue
- English
- Weight
- 369 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 94 K Mean '(C±C) = 0.002 A Ê R factor = 0.035 wR factor = 0.087 Data-to-parameter ratio = 10.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.006 A Ê R factor = 0.056 wR factor = 0.132 Data-to-parameter ratio = 12.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
10 0 0 00 0 0 -(4-Methoxybenzylidene)-5 0 0 00 0 0 ,4 0 0 0 -bis(4-methoxyphenyl)-1 0 0 0 -methyl-2,3,2 0 0 00 0 0 ,3 0 0 00 0 0 ,7 0 0 00 0 0 ,8 0 0 00 0 0 ,9 0 0 00 0 0 ,10 0 0 00 0 0 -octahydro-1H,5 0 0 00 0 0 H,6 0 0 00 0 0 H-indole-3-spiro-2 0 0 0 -pyrrolidine-3 0 0 0 -spiro-2 0 0 00 0 0 -cyclo
Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.003 A Ê Disorder in solvent or counterion R factor = 0.047 wR factor = 0.137 Data-to-parameter ratio = 14.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
An intramolecular Diels-Alder-type cycloaddition between an indole and a 1,2,4,5-tetrazine produced the title compound, C 29 H 26 N 4 O 4 , the first example of a pentaheterocyclic structure obtained via loss of nitrogen and addition of the elements of acetic anhydride. Of the four N atoms in the mo