2009•Russian Journal of Inorganic ChemistryRequires access

Synthesis and crystal structure of methylammonium dicitratoborate

I.I. Zviedre, Sergey Belyakov

Abstract

Methylammonium dicitratoborate CH3NH3[(C6H6O7)2B] (I) was synthesized for the first time. The crystal structure of the compound was studied by X-ray crystallography. Crystals of I are triclinic, space group P $$ \bar 1 $$ , a = 8.9726(3) Å, b = 10.1039(3) Å, c = 10.7231(4) Å, α = 66.894(1)°, β = 85.347(1)°, γ = 84.991(2)°, V = 889.57(5) Å3, Z = 2, ρcalcd = 1.580 g/cm3. Crystals of I are built up from large dicitratoborate anions with a spiran structure and methylammonium cations. The crystals have a layered structure. A hydrogen-bond system is formed by seven independent contacts O(N)-H⋯O.

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Key concepts: Triclinic crystal system, Crystallography, Crystal structure, Chemistry, Bar (unit), Group (periodic table), Hydrogen bond, Crystal (programming language)