Abstract
A systematic investigation of Cd(II)–(apbim)–X systems (apbim=2-(2-aminophenyl)-1H-benzimidazole and X=N3–,SCN– and N(NC)2–) was conducted, and the following cadmium(II) coordination compounds [Cd(N3)2(apbim)]n•nMeOH (1), [Cd(SCN)2(apbim)]n•nMeOH (2), [Cd(dca)(apbim)2]n•n(NO3) (3), [Cd(SCN)2(apbim)2] (4) and [Cd(dca)2(apbim)2]•H2O (5) were successfully synthesized and characterized by single-crystal diffraction, X-ray powder diffraction (XRPD), differential scanning calorimetry (DSC) analysis and IR spectroscopy. The luminescent properties of 2-(2-aminophenyl)-1H-benzimidazole and cadmium(II) coordination compounds were studied in solution (4 and 5) and solid state (1–5). The studies revealed that the solid state architecture and solid state photoluminescent properties of the Cd(II)–apbim–X systems (X=N3, NCS– and dca–) are strongly influenced by intermolecular interactions.
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