Formation of a Magnetically Coupled Neutral [4 x 4] Square Grid from a 2,6-Pyridinedicarbaldehyde Bis(hydrazone) Ligand

被引：12

作者：

Adhikary, Amit ^{[1
]}

Goswami, Soumyabrata ^{[1
]}

Sheikh, Javeed Ahmad ^{[1
]}

Konar, Sanjit ^{[1
]}

机构：

[1] IISER Bhopal, Dept Chem, Bhopal 462066, MP, India

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2014年 / 2014卷 / 06期

关键词：

Self-assembly; Magnetic properties; Magnetostructural correlation; Copper; Square grids; METAL-ORGANIC FRAMEWORK; SPIN-CROSSOVER; COMPLEXES; CLUSTER; COPPER(II); SERIES; BINDING;

D O I：

10.1002/ejic.201301536

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis, characterization, magnetic properties, and magnetostructural correlation of a square-grid complex having the molecular formula [Cu16L81](dmf)(3) (1) {H4L1 = 2,6-bis[(3-methoxysalicylidene)hydrazinecarbonyl]pyridine} is described. Reaction of the H4L1 ligand and the Cu2+ salt generates complex 1, which exhibits a rare grid structure with a [4x4] metallic core of Cu2+. Structural studies revealed a mixed coordination geometry around the Cu2+ core. The molecule has a fourfold rotational axis and one inversion center. Magnetic investigations showed the coexistence of both ferro- and antiferromagnetic spin exchanges, though antiferromagnetic exchange dominates over ferromagnetic coupling in the low-temperature region.

引用

页码：963 / 967

页数：5

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