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1,2,4-Triazole Schiff base directed synthesis of polynuclear iron complexes: Investigating the magnetic properties going from a dimer to a 1D chain to a 3D framework

Li AM, Rentschler E (2018)

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Publication Type: Journal article

Publication year: 2018

Journal

Book Volume: 154

Pages Range: 364-372

DOI: 10.1016/j.poly.2018.08.003

Abstract

Based on two functionalized Schiff base ligands 4-(1H-imidazol-5-ylmethylene-amino)-4H-1,2,4-triazole (imztrz) and 4-(p-tolylidene-amino)-4H-1,2,4-triazole (toltrz), a series of three triazole based polynuclear Fe complexes has been prepared. Compounds {[Fe^II(toltrz)2(C2O4)]·10H2O}n (1) and {[Fe^II(5-imztrz)(C2O4)]·2H2O}n (2) are oxalate bridged Fe^II complexes with 1 showing a linear 1D chain structure and 2 exhibiting a zigzag chain based 3D interpenetrating framework. Both structures show rather big voids in the 3D architecture (∼15% of the crystal volume). Compound (5-imztrzH)2[Fe^III 2(cit⁴⁻)2(H2O)2]·6H2O (3) is a binuclear Fe^III complex bridging by two citrate ligands to form a face-shared centrosymmetric structure. Magnetic susceptibility measurements indicate that all three compounds show weak antiferromagnetic exchange interaction between the adjacent Fe centers.

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How to cite

APA:

Li, A.-M., & Rentschler, E. (2018). 1,2,4-Triazole Schiff base directed synthesis of polynuclear iron complexes: Investigating the magnetic properties going from a dimer to a 1D chain to a 3D framework. Polyhedron, 154, 364-372. https://doi.org/10.1016/j.poly.2018.08.003

MLA:

Li, Ai-Min, and Eva Rentschler. "1,2,4-Triazole Schiff base directed synthesis of polynuclear iron complexes: Investigating the magnetic properties going from a dimer to a 1D chain to a 3D framework." Polyhedron 154 (2018): 364-372.

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