Record High-Nuclearity Polyoxoniobates: Discrete Nanoclusters {Nb114}, {Nb81}, and {Nb52}, and Extended Frameworks Based on {Cu3Nb78} and {Cu4Nb78}

被引：99
作者：
Jin, Lu [1 ]
Zhu, Zeng-Kui [1 ]
Wu, Yan-Lan [1 ]
Qi, Yan-Jie [1 ]
Li, Xin-Xiong [1 ]
Zheng, Shou-Tian [1 ]
机构：
[1] Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2017年 / 56卷 / 51期
关键词：
inorganic-organic frameworks; nanoclusters; niobium; polyoxometalates; polyoxoniobates; SINGLE-MOLECULE MAGNET; BUILDING-BLOCKS; METAL-OXIDE; POLYOXOMETALATE; CLUSTERS; CHEMISTRY; ION; FRAGMENTS; EVOLUTION; CATIONS;
D O I：
10.1002/anie.201709565
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series containing the highest nuclearity polyoxoniobate (PONb) nanoclusters, ranging from dimers to tetramers, has been obtained. They include one 114-nuclear {Li-8 subset of Nb114O316}, one 81-nuclear {Li3K subset of Nb81O225}, and one 52-nuclear {H4Nb52O150}. The Nb nuclearity of these PONbs is remarkably larger than those of all known high-nuclearity PONbs (<= 32). Furthermore, the introduction of 3d Cu2+ ions can lead to the generation of extended inorganic-organic hybrid frameworks built from novel, high-nuclearity, nanoscale heterometallic PONb building blocks {H3Cu3Nb78O222} or {H3Cu4(en)Nb78O222}. These building blocks also contain the largest number of Nb centers of any heterometallic PONbs reported to date. The synthesis of new-type PONbs has long been a challenging subject in PONb chemistry.
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收藏
页码：16288 / 16292
页数：5
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