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
收藏
页码：963 / 967
页数：5
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