Minato, T., Salley, D., Mizuno, N., Yamaguchi, K., Cronin, L. and Suzuki, K. (2021) Robotic stepwise synthesis of hetero-multinuclear metal oxo clusters as single-molecule magnets. Journal of the American Chemical Society, 143(32), pp. 12809-12816. (doi: 10.1021/jacs.1c06047) (PMID:34358427)
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Abstract
An efficient stepwise synthesis method for discovering new heteromultinuclear metal clusters using a robotic workflow is developed where numerous reaction conditions for constructing heteromultinuclear metal oxo clusters in polyoxometalates (POMs) were explored using a custom-built automated platform. As a result, new nonanuclear tetrametallic oxo clusters {FeMn4}Lu2A2 in TBA5[(A-α-SiW9O34)2FeMn4O2{Lu(acac)2}2A2] (IIA; A = Ag, Na, K; TBA = tetra-n-butylammonium; acac = acetylacetonate) were discovered by the installation of diamagnetic metal cations A+ into a paramagnetic {FeMn4}Lu2 unit in TBA7[(A-α-SiW9O34)2FeMn4O2{Lu(acac)2}2] (I). POMs IIA exhibited single-molecule magnet properties with the higher energy barriers for magnetization reversal (IIAg, 40.0 K; IINa, 40.3 K; IIK, 26.7 K) compared with that of the parent I (19.7 K). Importantly, these clusters with unique properties were constructed as designed by a step of the predictable sequential multistep reactions with the time-efficient platform.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Minato, Dr Takuo and Salley, Mr Daniel and Cronin, Professor Lee |
| Authors: | Minato, T., Salley, D., Mizuno, N., Yamaguchi, K., Cronin, L., and Suzuki, K. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of the American Chemical Society |
| Publisher: | American Chemical Society |
| ISSN: | 0002-7863 |
| ISSN (Online): | 1520-5126 |
| Published Online: | 06 August 2021 |
| Copyright Holders: | Copyright © 2021 American Chemical Society |
| First Published: | First published in Journal of the American Chemical Society 143(32): 12809-12816 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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