Somphon, WeenawanHaller, Kenneth JRae, A DavidNg, Seik Weng2015-12-130108-7681http://hdl.handle.net/1885/83552The 1:1 adduct of [SnCl2(C2H4COOCH 3] and 1,10-phenanthroline, (C12H8N 2), which was set aside for 25 years, when recrystallized from ethanol was found to be the salt [C12H9N2] +ยท[SnCl2(C2H4COO)(C 2H4COOH)]-. The SnIV atom in the anion has pseudo-octahedKeywords: Carboxylation; Chlorine; Ethanol; Hydrogen bonds; Negative ions; Recrystallization (metallurgy); Salts; Carboxylatoethyl; Cl interactions; Octahedral coordination; Polytypism; EstersPacking and polytypism in 1,10-phenanthrolin-1-ium (2-carboxyethyl)(2-carboxylatoethyl)dichlorostannate(IV)200610.1107/S01087681060024612015-12-12