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鞍形异质金属3d-4f团簇：结构与磁热效应

IF 4.7 2区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR
Inorganic Chemistry Pub Date : 2025-03-07 DOI:10.1021/acs.inorgchem.4c0491010.1021/acs.inorgchem.4c04910
Qingxin Liu, Min Feng, Wanmin Chen* and Zhiping Zheng*, 
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引用次数: 0

摘要

异质金属3d-4f簇配合物由于其结构美观、独特的性质和有用的应用而引起了人们的广泛关注。本文报道了Gd3+与Co2+在IDA存在下共水解得到的[Gd68Co60(OH)116(CH3COO)8(IDA)56(CO3)4(C2O4)8(H2O)92Cl16]Cl48·10H2O·60CH3OH （Gd68Co60， IDA：亚氨基二乙酸酯）簇。晶体学研究显示其具有一个纳米大小的中心空腔的鞍形循环结构。在3.0 K和7.0 T下，Gd68Co60的最大磁熵变化为38.58 J·K - 1·kg-1，这使得Gd68Co60在磁冷却应用中与性能更好的簇一起脱颖而出。
本文章由计算机程序翻译，如有差异，请以英文原文为准。

Saddle-Shaped Heterometallic 3d–4f Cluster: Structure and Magnetocaloric Effect

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Saddle-Shaped Heterometallic 3d–4f Cluster: Structure and Magnetocaloric Effect

Heterometallic 3d–4f cluster complexes have enjoyed much recent interest because of their structural esthetics, unique properties, and useful applications. A cluster of the formula [Gd68Co60(OH)116(CH3COO)8(IDA)56(CO3)4(C2O4)8(H2O)92Cl16]Cl48·10H2O·60CH3OH (Gd68Co60, IDA: iminodiacetate), obtained by the cohydrolysis of Gd3+ and Co2+ in the presence of IDA, is herein reported. Crystallographic studies revealed its saddle-shaped cyclic structure featuring a nanometer-sized central cavity. A maximum magnetic entropy change of 38.58 J·K–1·kg–1 was achieved at 3.0 K and 7.0 T, placing Gd68Co60 favorably alongside the better-performing clusters for magnetic cooling applications.

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来源期刊
Inorganic Chemistry
Inorganic Chemistry 化学-无机化学与核化学
CiteScore
7.60
自引率
13.00%
发文量
1960
审稿时长
1.9 months
期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.
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