Abstract
The reaction of 4-(dimethylamino)pyridine, picolinic acid and stannic chloride yields the title monosolvated salt, (C13H10NO)[SnCl4(C6H4NO2)]·CH3OH. The SnIV atom is N,O-chelated by the picolinate ion in a cis-SnNOCl4 octahedral geometry. The cation is linked to the methanol solvent molecule by an O—H⋯O hydrogen bond; the solvent molecule itself is a hydrogen-bond donor to the uncoordinating carboxylate O atom of the anion. The cations and anions are linked by weak N—H⋯Cl interactions, forming a chain running along the b axis.
Highlights
The reaction of 4-(dimethylamino)pyridine, picolinic acid and stannic chloride yields the title monosolvated salt, (C13H10NO)[SnCl4(C6H4NO2)]ÁCH3OH
The cation is linked to the methanol solvent molecule by an O—HÁ Á ÁO hydrogen bond; the solvent molecule itself is a hydrogen-bond donor to the uncoordinating carboxylate O atom of the anion
The cations and anions are linked by weak N—HÁ Á ÁCl interactions, forming a chain running along the b axis
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.004 A; R factor = 0.028; wR factor = 0.065; data-to-parameter ratio = 18.2. The reaction of 4-(dimethylamino)pyridine, picolinic acid and stannic chloride yields the title monosolvated salt, (C13H10NO)[SnCl4(C6H4NO2)]ÁCH3OH. The SnIV atom is N,O-chelated by the picolinate ion in a cis-SnNOCl4 octahedral geometry. The cation is linked to the methanol solvent molecule by an O—HÁ Á ÁO hydrogen bond; the solvent molecule itself is a hydrogen-bond donor to the uncoordinating carboxylate O atom of the anion. The cations and anions are linked by weak N—HÁ Á ÁCl interactions, forming a chain running along the b axis. Related literature For a tetrachlorido(pyridine-2-carboxylato)stannate(IV), see: Najafi et al (2012). Mr = 610.85 Monoclinic, C2=c a = 31.5065 (11) Ab = 8.0802 (2) Ac = 20.0948 (9) A
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