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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

1
Department of Chemistry, Fu Jen Catholic University, Hsinchuang, New Taipei 24205, Taiwan
2
Instrumentation Centre, College of Science, National Taiwan University, Taipei 10672, Taiwan
3
National Synchrotron Radiation Research Center, NSRRC, Hsinchu 30076, Taiwan
*
Author to whom correspondence should be addressed.
Magnetochemistry 2019, 5(3), 43; https://doi.org/10.3390/magnetochemistry5030043
Received: 15 June 2019 / Revised: 8 July 2019 / Accepted: 10 July 2019 / Published: 13 July 2019
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Abstract

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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MDPI and ACS Style

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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