Eur J Chem volume 10, issue 2, P180-188 2019 DOI: 10.5155/eurjchem.10.2.180-188.1882

Reticular synthesis, topological studies and physicochemical properties of a 3D manganese(II) coordination network [Mn3(BTC)2(DMSO)4]n

Leonã Da Silva Flores, Roselia Ives Rosa, Jefferson Da Silva Martins, Roberto Rosas Pinho, Renata Diniz, Charlane Cimini Corrêa
Abstract: In order to build a metal-organic framework with mixed ligands (acid-acid), a 3D coordination network based on manganese metal center was obtained [Mn3(BTC)2(DMSO)4]n; where BTC = Benzene-1,3,5-tricarboxylic acid and DMSO = Dimethylsulfoxide. The crystal structure was determined by single crystal X-ray diffraction, showing the assembly of a tridimensional 3,6-connected non-entangled polymeric network, with RTL topology. The secondary building unit (SBU) acts as a node of the 3-periodic expansion and involves carboxylate- and oxo-bridged metals. The DMSO employed in the synthesis is chemically involved in the coordination as a µ2-O bridge between distinct manganese metal centers. The structural characterization of the material was supported by spectroscopic (infrared absorption and Raman scattering), thermal (TG, DTG, and DTA) and elemental analysis.

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