Abstract
Solvothermal reactions with a 1:1 ratio of cuprous chloride and alkylamonium salts as templating agents in acetonitrile or ethanol yield two new polyanionic chains. The trimeric chain [Cu3Cl6]3-, 1, templated by pyridinium cations, crystallizes in the monoclinic space group P21/m with a = 9.1274(8) A, b = 13.2831(5) A, c = 10.0923(7) A, β = 112.562(5)°, and Z = 2. [Cu9Cl16],7- 2, is templated by the complex cation {[H3NMe]6Cl}5+ and two independent [H3NMe]+ cations. The polyanionic chain of 2 is constructed from the condensation of tetrameric cuprous chloride building blocks and crystallizes in the triclinic space group P1 with a = 10.091(2) A, b = 10.173(2) A, c = 23.723(3) A, α = 80.12(1)°, β = 80.99(1)°, γ = 70.68(2)°, and Z = 2. The targeted stoichiometry of [A][CuCl2], with A = pyridinium or methylammonium as templates, results in the formation of condensed oligomeric building blocks that are analogous to those observed for a variety of open-framework group 13 chalcogenides. The relationship between...
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