Abstract
The chemical preparation, crystal structure and spectroscopic characterization of [C9H28N4][Bi2Cl10].H2O have been reported. This compound crystallizes in the monoclinic system in space group P21/c and cell parameters a = 12.2385 (6), b = 17.3062 (7), c = 13.0772 (6) Å, β = 104.475 (5)°, Z = 4 and V = 2681.9 (2) Å3. Its crystal structure has been determined and refined to R = 0.049, using 5848 independent reflections. The atomic arrangement can be described by an alternation of organic and inorganic layers. The inorganic layer built up of [Bi2Cl10]4– bioctahedra arranged in sandwich between the organic layer. The organic groups are interconnected by the water molecules through N-H…O(W) hydrogen bonds to form infinite zig-zag chains spreading along the b-axis. These Chains are themselves interconnected by means of the N–H…Cl hydrogen bonds originating from [Bi2Cl10]4– anions, to form a three-dimensional network. Intermolecular Cl…Cl interactions between adjacent dimeric [Bi2Cl10]4– anions have been observed. The compound was also characterized by FT-IR and Raman spectrscopies.
Highlights
Many research activities into the field of organic-inorganic hybrid materials based on metal-halide compounds have attracted much interest
Cations and water molecules are linked by a network of N-H...Cl, O-H...Cl, C-H...Cl and N-H...Cl hydrogen bonds into a three-dimensional framework
The [C9H28N4]4+ tetracations are interconnected by the water molecules through N-H...O(W) hydrogen bonds generated by the NH3+ and NH2+ ions, so that infinite (C9H28N4H2O)n4n+ zig-zag chains spreading along the b-axis were formed (Figure 3)
Summary
Many research activities into the field of organic-inorganic hybrid materials based on metal-halide compounds have attracted much interest. The interest in this hybrid materials stems from the benefits introduced by the inclusion of both organic and inorganic components into the product [1]. The numerous metal-halide compounds involving Sn(II), Pb(II), Sb(III) and Bi(III) and various organic amines evoke much attention. The crystal packing of the title materials are mainly influenced by N-H...X hydrogen bonds. These interactions between cations and anions should play a relevant contribution to the formation of a particular type of complex salts. In this paper the results of the studies of the crystal structure and vibrational properties of [C9H28N4][Bi2Cl10].H2O are described
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