"Synthesis, structure, and magnetic properties of a family of Mn(II) co" by David J. Carnevale, Louise N. Dawe et al.
 

Chemistry and Physics Faculty Articles

Title

Synthesis, structure, and magnetic properties of a family of Mn(II) compounds with substituted 2-aminopyridinium ions

Document Type

Article

Publication Date

7-2021

Publication Title

Polyhedron

Keywords

Mn(II), X-ray structure, Magnetic Susceptibility, Halogen bonding

ISSN

0277-5387

Volume

202

Abstract

A family of complexes were made by combining MnX2·nH2O (X = Cl, Br) with 2-amino-3-methylpyridine (3MAP), 2-amino-5-methylpyridine (5MAP) or 2-amino-5-iodopyridine (5IAP) in aqueous acidic conditions. The resulting complexes were (3MAPH)2Cl2.MnCl2(H2O)2 (1), (3MAPH)2Br2.MnBr2(H2O)2 (2), (5IAPH)8 [Mn4Cl10(H2O)8] Cl6 (3) and (5MAPH)2 MnBr4 (4). Complexes 1–3 crystalize in monoclinic space groups (1 = P21/c, 2&3 = P21/n) with chains formed by halide bridged manganese ions. Compound 4 crystalizes in the triclinic space group P-1 with a manganese halide ladder structure formed via short Br…Br contacts. Complexes 1, 2 and 4 were studied through variable temperature magnetic susceptibility measurements, all of which exhibited weak antiferromagnetic interactions (J = ~ – 0.45 to –0.05 K).

DOI

10.1016/j.poly.2021.115200

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