Synthesis and magnetic characteristics of new tetrachloroferrates(III) with 2-methylpyridinium, 3-methylpyridinium and 4-methylpyridinium cations: X-ray crystal structure of 4-methylpyridinium tetrachloroferrate(III)

Add time:08/16/2019    Source:sciencedirect.com

The crystal and molecular structure of a new 4-methylpyridinium tetrachloroferrate(III) of molecular formula [4-Me(Py)H][FeCl4] was determined. The iron cation is four coordinated by chlorine anions, and it adopts a slightly distorted tetrahedral coordination with two angles smaller, three equal and one larger than tetrahedral one. The compound is isostructural with its 2- and 3-methylpyridinium analogues. Magnetic measurements of the powdered samples gave negative values of the Weiss constants equal −7.3 K, −6.6 K and −6.2 K for [2-Me(Py)H][FeCl4], [3-Me(Py)H][FeCl4] and [4-Me(Py)H][FeCl4], respectively, which suggest antiferromagnetic coupling. The susceptibility curves of all complexes exhibit maxima indicating the presence of antiferromagnetic ordering with a Neel temperature of approximately 7 K.

We also recommend Trading Suppliers and Manufacturers of 2-methylpyridinium chloride (cas 14401-91-3). Pls Click Website Link as below: cas 14401-91-3 suppliers

Prev:Research paperA new Ni(dmit)2-based organic magnetic charge-transfer salt, (m-PO-CONH-N-methylpyridinium)[Ni(dmit)2]·CH3CN
Next:Synthesis, crystal structure of (2-methylpyridinium)2[TbCl4(H2O)3]Cl and magnetic behaviour of (2-methylpyridinium)2[TbCl4(H2O)3]Cl and (2-methylpyridinium)3[TbCl6])