2020Journal of Coordination ChemistryRequires access

A new Cd-coordination polymer based on 1,3-di(4-pyridyl)propane: synthesis, crystal structure, thermogravimetric analysis, and photoluminescent properties

Ashok Kumar Bharati, Maria Fátima C. Guedes da Silva, Kafeel Ahmad Siddiqui

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Abstract

Hydrothermal reaction of cadmium iodide (CdI2) and 1,3-di(4-pyridyl)propane (dpp) results in the formation of the 2-D coordination polymer [Cd2(µ-ddp)4I4]n (1) where the Cd(II) ions assume octahedral I2N4 geometries. The dpp ligands adopt anti-anti (TT) and gauche-gauche′ (GG′) conformations. Thermogravimetric analysis reveals that 1 decomposes in two steps comprising dissociation of one dpp ligand followed by complete decomposition of the framework corresponding to the remaining three dpp ligands and iodides. Polymer 1 is luminescent at 386 nm.

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Hydrothermal reaction of cadmium iodide (CdI2) and 1,3-di(4-pyridyl)propane (dpp) results in the formation of the 2-D coordination polymer [Cd2(µ-ddp)4I4]n (1) where the Cd(II) ions assume octahedral I2N4 geometries. The dpp ligands adopt anti-anti (TT) and gauche-gauche′ (GG′) conformations. Thermogravimetric analysis reveals that 1 decomposes in two steps comprising dissociation of one dpp ligand followed by complete decomposition of the framework corresponding to the remaining three dpp ligands and iodides. Polymer 1 is luminescent at 386 nm.

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Available abstract

Hydrothermal reaction of cadmium iodide (CdI2) and 1,3-di(4-pyridyl)propane (dpp) results in the formation of the 2-D coordination polymer [Cd2(µ-ddp)4I4]n (1) where the Cd(II) ions assume octahedral I2N4 geometries. The dpp ligands adopt anti-anti (TT) and gauche-gauche′ (GG′) conformations. Thermogravimetric analysis reveals that 1 decomposes in two steps comprising dissociation of one dpp ligand followed by complete decomposition of the framework corresponding to the remaining three dpp ligands and iodides. Polymer 1 is luminescent at 386 nm.

Key concepts: Thermogravimetric analysis, Chemistry, Propane, Iodide, Coordination polymer, Dissociation (chemistry), Thermal decomposition, Octahedron

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A new Cd-coordination polymer based on 1,3-di(4-pyridyl)propane: synthesis, crystal structure, thermogravimetric analysis, and photoluminescent properties — Research Paper | ScholarLens