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Abstract:
A series containing the highest nuclearity polyoxoniobate (PONb) nanoclusters, ranging from dimers to tetramers, has been obtained. They include one 114-nuclear {Li 8 ⊂Nb 114 O 316 }, one 81-nuclear {Li 3 K⊂Nb 81 O 225 }, and one 52-nuclear {H 4 Nb 52 O 150 }. The Nb nuclearity of these PONbs is remarkably larger than those of all known high-nuclearity PONbs (≤32). Furthermore, the introduction of 3d Cu 2+ ions can lead to the generation of extended inorganic–organic hybrid frameworks built from novel, high-nuclearity, nanoscale heterometallic PONb building blocks {H 3 Cu 3 Nb 78 O 222 } or {H 3 Cu 4 (en)Nb 78 O 222 }. 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. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
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Angewandte Chemie - International Edition
ISSN: 1433-7851
Year: 2017
Issue: 51
Volume: 56
Page: 16288-16292
1 2 . 1 0 2
JCR@2017
1 6 . 1 0 0
JCR@2023
ESI HC Threshold:226
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
SCOPUS Cited Count: 105
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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