Abstract
Crystals of the one-dimensional organic-inorganic lead iodide-based compound catena-poly[bis-(piperazine-1,4-diium) [[tetra-iodido-plumbate(II)]-μ-iodido] iodide monohydrate], (C4N2H12)2[PbI5]I·H2O, were obtained by slow evaporation at room temperature of a solution containing lead iodide and piperazine in a 1:2 molar ratio. Inorganic lead iodide chains, organic (C4N2H12)(2+) cations, water mol-ecules of crystallization and isolated I(-) anions are connected through N-H⋯·I, N-H⋯OW and OW-H⋯I hydrogen-bond inter-actions. Zigzag chains of corner-sharing [PbI6](4-) octa-hedra with composition [PbI4/1I2/2](3-) running parallel to the a axis are present in the structure packing.
Highlights
Iodide monohydrate], (C4N2H12)2[PbI5]IH2O, were obtained by slow evaporation at room temperature of a solution containing lead iodide and piperazine in a 1:2 molar ratio
Organic–inorganic hybrid materials offer the opportunity to combine the desirable properties of the organic moiety such as processability, toughness and impact strength with the typical properties of the inorganic part such as high temperature stability and durability
A significant number of organic–inorganic hybrid materials based on lead halide units have been prepared and studied (Billing & Lemmerer, 2006; Rayner & Billing, 2010), in particular with self-organized low-dimensional families of lead iodide-based crystals where the [PbI6] octahedra form one, two- or three-dimensional networks (Elleuch et al, 2007; Trigui et al, 2011)
Summary
Supporting information: this article has supporting information at journals.iucr.org/e. A significant number of organic–inorganic hybrid materials based on lead halide units have been prepared and studied (Billing & Lemmerer, 2006; Rayner & Billing, 2010), in particular with self-organized low-dimensional families of lead iodide-based crystals where the [PbI6] octahedra form one-, two- or three-dimensional networks (Elleuch et al, 2007; Trigui et al, 2011). In one-dimensional lead halide hybrid compounds, the inorganic chains may be formed by one, two or three bridging halides, referred to as corner-, edge- and face-sharing polyhedra, respectively. Thanks to their anticipated electroluminescence, photoluminescence and nonlinear optical properties, these compounds are the most desired ones (Lemmerer & Billing, 2006). In this work we report the synthesis and crystal structure determination of a new lead iodide hybrid, (C4N2H12)2[PbI5]IH2O, (I)
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