2,3-Dimethoxy-10-oxostrychnidinium 2-(2,4,6-trinitroanilino)benzoate monohydrate : a 1:1 proton-transfer salt of brucine with o-picraminobenzoic acid
Data(s) |
2011
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Resumo |
In the structure of the 1:1 proton-transfer compound of brucine with 2-(2,4,6-trinitroanilino)benzoic acid C23H27N2O4+ . C13H7N4O8- . H~2~O, the brucinium cations form the classic undulating ribbon substructures through overlapping head-to-tail interactions while the anions and the three related partial water molecules of solvation (having occupancies of 0.73, 0.17 and 0.10) occupy the interstitial regions of the structure. The cations are linked to the anions directly through N-H...O(carboxyl) hydrogen bonds and indirectly by the three water molecules which form similar conjoint cyclic bridging units [graph set R2/4(8)] through O-H...O(carbonyl) and O(carboxyl) hydrogen bonds, giving a two-dimensional layered structure. Within the anion, intramolecular N-H...O(carboxyl) and N H...O(nitro) hydrogen bonds result in the benzoate and picrate rings being rotated slightly out of coplanarity inter-ring dihedral angle 32.50(14)\%]. This work provides another example of the molecular selectivity of brucine in forming stable crystal structures and also represents the first reported structure of any form of the guest compound 2-(2,4,6-trinitroanilino)benzoic acid. |
Formato |
application/pdf |
Identificador | |
Publicador |
Blackwell Publishing on behalf of I.U.Cr |
Relação |
http://eprints.qut.edu.au/43724/1/OPSABRUPre.pdf DOI:10.1107/S010827011102782X Smith, Graham & Wermuth, Urs D. (2011) 2,3-Dimethoxy-10-oxostrychnidinium 2-(2,4,6-trinitroanilino)benzoate monohydrate : a 1:1 proton-transfer salt of brucine with o-picraminobenzoic acid. Acta Crystallographica. Section C : Crystal Structure Communications, 67, o334-o336. |
Direitos |
Copyright 2011 International Union of Crystallography |
Fonte |
Chemistry; Faculty of Science and Technology |
Palavras-Chave | #030600 PHYSICAL CHEMISTRY (INCL. STRUCTURAL) #crystal structure #hydrogen bonding #proton-transfer compound #brucine #o-picraminobenzoic acid |
Tipo |
Journal Article |