American Journal of Heterocyclic Chemistry

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Two New Iodo-Bridged Cadmium(II) Polymers with 1,4-dioxane and Ethanolamine Ligands: Synthesis and Crystal Structures

Two new organic/inorganic composite coordination polymers have been synthesised by the reaction of cadmium (II) iodide with 1,4-dioxane, [CdI2(C4H8O2)]n (1) and with N-(2,4-dichlorobenzylidene)ethanolamine, [Cd2I4(NH2CH2CH2OH)2]n (2). These complexes have been structurally characterised by X-ray diffraction analysis. Complex 1 crystallizes in the monoclinic space group P21/c with a = 8.2028 (3), b = 14.3556(5), c = 7.6594(3) Å, β = 100.513(1)°, V = 886.80(6) Å3 and Z = 4. Complex 2 crystallizes in the orthorhombic space group Pccn with a = 8.7369(6); b = 13.2514(9), c = 14.3794(11) Å, V = 1664.8(2) Å3 and Z = 8. The crystal structure analysis shows an octahedral environment around the cadmium atom in complex 1 and the crystal packing comprises of doubly iodo-bridged polymeric layers, where the two independent 1,4 dioxane ligands act as are bridging species through O atoms. The structure of 2 is an iodo bridged one-dimensional chain with the two independent Cd(II) ions alternating along the polymer. Here one Cd(II) ion is coordinated in a slightly distorted octahedral geometry by two chelating ethanolamine ligands via O, N donors and two iodo ligands. The other Cd(II) ion is tetrahedrally coordinated by four iodo ligands.

Cadmium (II), Crystal Structure, Tetrahedral and Octahedral Coordination

APA Style

Aboubacar Diop, Tidiane Diop, Mouhamadou Abdoulaye Diallo, Paul Tinnemans, Ennio Zangrando, et al. (2022). Two New Iodo-Bridged Cadmium(II) Polymers with 1,4-dioxane and Ethanolamine Ligands: Synthesis and Crystal Structures. American Journal of Heterocyclic Chemistry, 8(2), 12-16. https://doi.org/10.11648/j.ajhc.20220802.11

ACS Style

Aboubacar Diop; Tidiane Diop; Mouhamadou Abdoulaye Diallo; Paul Tinnemans; Ennio Zangrando, et al. Two New Iodo-Bridged Cadmium(II) Polymers with 1,4-dioxane and Ethanolamine Ligands: Synthesis and Crystal Structures. Am. J. Heterocycl. Chem. 2022, 8(2), 12-16. doi: 10.11648/j.ajhc.20220802.11

AMA Style

Aboubacar Diop, Tidiane Diop, Mouhamadou Abdoulaye Diallo, Paul Tinnemans, Ennio Zangrando, et al. Two New Iodo-Bridged Cadmium(II) Polymers with 1,4-dioxane and Ethanolamine Ligands: Synthesis and Crystal Structures. Am J Heterocycl Chem. 2022;8(2):12-16. doi: 10.11648/j.ajhc.20220802.11

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