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- W2943459457 abstract "The title molecular salts, (C 18 H 23 N 2 ) 2 [CdI 4 ], (I), and C 18 H 23 N 2 + ·C 7 H 7 O 4 S − ·H 2 O, (II), are stilbazole, or 4-styrylpyridine, derivatives. The cation, ( E )-4-[4-(diethylamino)styryl]-1-methylpyridin-1-ium, has a methyl group attached to pyridine ring and a diethyl amine group attached to the benzene ring. The asymmetric unit of salt (I), comprises one cationic molecule and half a CdI 4 dianion. The Cd atom is situated on a twofold rotation axis and has a slightly distorted tetrahedral coordination sphere. In (II), the anion consists of a 4-methoxybenzenesulfonate and it crystallizes as a monohydrate. In both salts, the cations adopt an E configuration with respect to the C=C bond and the pyridine and benzene rings are inclined to each other by 10.7 (4)° in (I) and 4.6 (2)° in (II). In the crystals of both salts, the packing is consolidated by offset π–π stacking interactions involving the pyridinium and benzene rings, with centroid–centroid distances of 3.627 (4) Å in (I) and 3.614 (3) Å in (II). In the crystal of (II), a pair of 4-methoxybenzenesulfonate anions are bridged by O water —H...O sulfonate hydrogen bonds, forming loops with an R 2 4 (8) motif. These four-membered units are then linked to the cations by a number of C—H...O hydrogen bonds, forming slabs lying parallel to the ab plane." @default.
- W2943459457 created "2019-05-09" @default.
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- W2943459457 date "2018-11-30" @default.
- W2943459457 modified "2023-09-27" @default.
- W2943459457 title "Crystal structures of two stilbazole derivatives: bis{(<i>E</i>)-4-[4-(diethylamino)styryl]-1-methylpyridin-1-ium} tetraiodidocadmium(II) and (<i>E</i>)-4-[4-(diethylamino)styryl]-1-methylpyridin-1-ium 4-methoxybenzenesulfonate monohydrate" @default.
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- W2943459457 doi "https://doi.org/10.1107/s2056989018016808" @default.
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