Terephthalate-bridged two-dimensional heteronuclear Cu(II)–Mn(II) complex with terminal 2,2’-dipyridylamine ligand

Lidija Radovanović, Jelena Rogan, Dejan Poleti, Marko V Rodić, Zvonko Jagličić


A terephthalate-bridged heteronuclear Cu(II)–Mn(II) complex [Cu2Mn(dipya)2(tpht)3]n, I, where dipya is 2,2′-dipyridylamine and tpht is anion of 1,4-benzenedicarboxylic (terephthalic, H2tpht) acid, has been synthesized under hydrothermal conditions. The obtained complex I was characterized by a single-crystal X-ray diffraction, FTIR spectroscopy, TG/DSC analysis and magnetic measurements. The Cu(II) and Mn(II) metal centers adopt distorted octahedral geometry and they are linked by bridging tpht ligands. Two crystallographically different tpht anions are coordinated as tridentate and hexadentate ligands forming two-dimensional layers. The layers are inter­connected by hydrogen bonds and additionally stabilized by non-covalent C‑H···π interactions. The measurements of magnetic susceptibility have proven that I is an almost perfect paramagnet.

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DOI: https://doi.org/10.2298/JSC170425086R

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