1,10-Phenanthrolin-1-ium 2-carboxy-4,5-dichlorobenzoate
نویسندگان
چکیده
In the structure of the 1:1 proton-transfer compound of 1,10-phenanthroline with 4,5-dichloro-phthalic acid, C(12)H(9)N(2) (+)·C(8)H(3)Cl(2)O(4) (-), determined at 130 K, the 1,10-phenanthrolinium cation and the hydrogen 4,5-dichloro-phthalate anion associate through a single N-H⋯O(carbox-yl) hydrogen bond giving discrete units which have no extension except through a number of weak cation C-H⋯O(anion) associations and weak cation-anion aromatic ring π-π inter-actions [minimum centroid-centroid separation = 3.6815 (12) Å]. The anions are essentially planar "[maximum deviation 0.214 (1) Å (a carboxyl O)] with the syn-related H atom of the carboxyl group, forming a short intra-molecular O-H⋯O(carbox-yl) hydrogen bond.
منابع مشابه
1,10-Phenanthrolin-1-ium nitrate–aquabis(4-hydroxybenzoato-κ2 O,O′)(nitrato-κ2 O,O′)(1,10-phenanthroline-κ2 N,N′)erbium(III)–1,10-phenanthroline–water (1/1/0.5/2)
In the title compound, C(12)H(9)N(2) (+)·NO(3) (-)·[Er(C(7)H(5)O(3))(2)(NO(3))(C(12)H(8)N(2))(H(2)O)]·0.5C(12)H(8)N(2)·2H(2)O, the water-mol-ecule-coordinated Er(III) ion is chelated by one 1,10-phenanthroline (phen) ligand, two 4-hy-droxy-benzoate anions and one nitrate anion in a monocapped square-anti-prismatic coordination geometry. The uncoordinating phen mol-ecule is approximately paralle...
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