Synthesis, crystal structures, and luminescence properties of coordination polymers and a discrete complex of cadmium(ii) halides with 1-(1,2,4-triazol-1-yl)adamantane

The reactions of 1-(1,2,4-triazol-1-yl)adamantane with cadmium( ii ) chloride, bromide, and iodide were studied. The crystal structures of the synthesized coordination compounds were determined by single-crystal X-ray diffraction. Cadmium( ii ) chloride and bromide form 1D coordination polymers, in...

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Bibliographic Details
Published in:Russian chemical bulletin 2021-05, Vol.70 (5), p.857-863
Main Authors: Pavlov, D. I., Ryadun, A. A., Samsonenko, D. G., Fedin, V. P., Potapov, A. S.
Format: Article
Language:English
Subjects:
Cadmium
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Chlorides
Chlorine
Coordination compounds
Coordination polymers
Crystal structure
Crystals
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Halides
Halogens
Inorganic Chemistry
Iodine
Ligands
Luminescence
Nitrogen atoms
Optical properties
Organic Chemistry
Single crystals
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Summary:The reactions of 1-(1,2,4-triazol-1-yl)adamantane with cadmium( ii ) chloride, bromide, and iodide were studied. The crystal structures of the synthesized coordination compounds were determined by single-crystal X-ray diffraction. Cadmium( ii ) chloride and bromide form 1D coordination polymers, in which cadmium ions are bridged by two halide ions, whereas cadmium( ii ) iodide forms a discrete complex with a tetrahedral environment of the cadmium ion. in all compounds, the organic ligand is coordinated in a monodentate fashion through nitrogen atoms at the 4 positions of the 1,2,4-triazole rings. The quantum yield of ligand-centered luminescence of the halide complexes increases in the series of halogens from chlorine to iodine and reaches 35% for the iodide complex.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-021-3159-6