Abstract
Three new hexacyanometallate(III) complexes, namely {[Cd3(4epy)12Cr2(µ-CN)6(CN)6]∙4H2O}n (1), {[Cd3(4epy)12Fe2(µ-CN)6(CN)6]∙4H2O}n (2) and {[Cd3(4epy)12Co2(µ-CN)6(CN)6]∙4H2O}n (3), were synthesized by using 4-ethylpyridine (4epy) ligand and characterized by spectral (FT-IR and Raman), crystallographic (SC-XRD and PXRD), thermal and elemental analyses techniques. Single crystal studies have shown that heterometallic complexes 1–3 form 3D polymers. Each M ion [M = Cr(III) in 1, Fe(III) in 2 and Co(III) in 3] is coordinated by six carbon atoms from cyanide ligands and adjacent metal ions are bridged by cyanide ligands to generate [Cd6M6(CN)12] clusters. Each Cd(II) ion is coordinated by four nitrogen atoms from 4epy ligands and two nitrogen atoms from cyanide ligands to distorted octahedral coordination geometry. In addition, thermal (TG/DTA) properties of the complexes were investigated. Powder X-ray diffraction (PXRD) patterns of the complexes were recorded to control the phase purities.
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Acknowledgements
The authors acknowledge to Scientific and Technological Research Application and Research Center, Sinop University, Türkiye, for the use of the Bruker D8 QUEST diffractometer.
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This work has been financially supported by Eskişehir Osmangazi University, Scientific research Unit [grant no: 2022–2561].
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Kekeç, S., Kürkçüoğlu, G.S., Yeşilel, O.Z. et al. Syntheses, crystal structures, spectroscopic and thermal properties of 3D heteronuclear coordination polymers with 4-ethylpyridine and cyanide ligands. Struct Chem (2023). https://doi.org/10.1007/s11224-023-02249-2
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DOI: https://doi.org/10.1007/s11224-023-02249-2