Exposing elusive cationic magnesium–chloro aggregates in aluminate complexes through donor control
2016 | journal article. A publication with affiliation to the University of Göttingen.
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Exposing elusive cationic magnesium–chloro aggregates in aluminate complexes through donor control
Brouillet, E. V.; Kennedy, A. R.; Koszinowski, K.; McLellan, R.; Mulvey, R. E. & Robertson, S. D. (2016)
Dalton Transactions, 45(13) pp. 5590-5597. DOI: https://doi.org/10.1039/C6DT00531D
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Details
- Authors
- Brouillet, Etienne V.; Kennedy, Alan R.; Koszinowski, Konrad; McLellan, Ross; Mulvey, Robert E.; Robertson, Stuart D.
- Abstract
- The cationic magnesium moiety of magnesium organohaloaluminate complexes, relevant to rechargeable Mg battery electrolytes, typically takes the thermodynamically favourable dinuclear [Mg2Cl3]+ form in the solid-state. We now report that judicious choice of Lewis donor allows the deliberate synthesis and isolation of the hitherto only postulated mononuclear [MgCl]+ and trinuclear [Mg3Cl5]+ modifications, forming a comparable series with a common aluminate anion [(Dipp)(Me3Si)NAlCl3]−. By pre-forming the Al–N bond prior to introduction of the Mg source, a consistently reproducible protocol is reported. Usage of the green solvent 2-methyltetrahydrofuran in place of THF in the context of Mg/Al battery electrolyte type complexes is also promoted.
- Issue Date
- 2016
- Status
- published
- Publisher
- Royal Soc Chemistry
- Journal
- Dalton Transactions
- Organization
- Fakultät für Chemie
- ISSN
- 1477-9234; 1477-9226
- Language
- English