In this contribution, we report the thermal decomposition and thermo-X-ray diffraction analyses of a ZnII monomethyl terephthalate complex, [Zn(CH3O–CO–C6H4COO)2(OH2)3]·2H2O. Both XRD and temperature-dependent T-XRD patterns for the title compound in the thermal decomposition process (temperature range 30–300 °C) present diffraction peaks reminiscent of ordered, crystalline structure of the starting complex [Zn(CH3O–CO–C6H4COO)2(OH2)3]·2H2O. Crystallization and coordination water molecules of the title complex are eliminated in successive steps, and then the anhydrous complex decomposes to ZnO (the total experimental mass loss of 84.80 % versus the theoretical mass loss, 84.23 %). The formation of ZnO of wurtzite structure (hexagonal phase, space group P63mc) as spherical nanoparticles with average size of 58 nm has been confirmed by XRD, SEM and EDX analyses performed on the final product.
Zinc complex Monomethyl terephthalate Thermal study T-XRD
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Authors recognize financial support from the European Social Fund through POSDRU/89/1.5/S/54785 project: Postdoctoral Program for Advanced Research in the field of nanomaterials.