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Novel Structures and Magnetic Properties of Two [Mn2] Complexes with 2,4-di-2-pyridyl-2,4-pentanediol as the Ligand

Department of Chemistry, Fu Jen Catholic University, Hsinchuang, New Taipei 24205, Taiwan
Instrumentation Centre, College of Science, National Taiwan University, Taipei 10672, Taiwan
National Synchrotron Radiation Research Center, NSRRC, Hsinchu 30076, Taiwan
Author to whom correspondence should be addressed.
Magnetochemistry 2019, 5(3), 43;
Received: 15 June 2019 / Revised: 8 July 2019 / Accepted: 10 July 2019 / Published: 13 July 2019
PDF [2818 KB, uploaded 13 July 2019]


Two ligands, 2,4-di-2-pyridyl-2,4-pentanediol (rD and mD), were employed to synthesize two Mn2 complexes, [Mn2(rD)2Br2] (1) and [Mn2(mD)2(H2O)2]Br2 (2). Compound 1 crystallized in a tetragonal space group, P41212, with a novel hamburger shaped structure. A detailed study indicated that compound 1 did not contain a metal–metal bond, but antiferromagnetic coupling was observed between the Mn(III) ions. Compound 2 crystallized in a monoclinic space group, C2/c, with one Mn(II) and the other with Mn(IV). The two manganese ions were bridged by two alkoxide ligands, resulting in ferromagnetic coupling. Magnetic property studies confirm the above assignments. View Full-Text
Keywords: Magnetic; Mn2; Manganese; 2,4-di-2-pyridyl-2,4-pentanediol Magnetic; Mn2; Manganese; 2,4-di-2-pyridyl-2,4-pentanediol

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Yang, E.-C.; Chang, Y.-Y.; Huang, S.-Y.; Hong, L.-X.; Lee, G.-H.; Sheu, H.-S.; Chang, C.-K. Novel Structures and Magnetic Properties of Two [Mn2] Complexes with 2,4-di-2-pyridyl-2,4-pentanediol as the Ligand. Magnetochemistry 2019, 5, 43.

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