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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Hintermair, Ulrich
University of Bath
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024Understanding and tuning the electronic structure of pentalenidescitations
- 2024Synthesis and Structure of Heavy Alkali Metal Pentalenides
- 2021Multi-nuclear, high-pressure, operando FlowNMR spectroscopic study of Rh/PPh3 – catalysed hydroformylation of 1-hexene
- 2019Graphite-protected CsPbBr3 perovskite photoanodes functionalised with water oxidation catalyst for oxygen evolution in watercitations
- 2019Inexpensive Metal Free Encapsulation Layers Enable Halide Perovskite Based Photoanodes for Water Splitting
- 2016Kinetics versus Charge SeparationSeparation: Improving the Activity of Stoichiometric and Non-Stoichiometric Hematite Photoanodes Using a Molecular Iridium Water Oxidation Catalystcitations
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article
Synthesis and Structure of Heavy Alkali Metal Pentalenides
Abstract
<p>The solid-state structures of the first rubidium and caesium pentalenides [Rb(THF)]<sub>2</sub>[Ph<sub>4</sub>Pn] and [Cs(THF)]<sub>2</sub>[Ph<sub>4</sub>Pn] have been determined by single crystal X-ray diffraction. Both were found to be polymeric in the solid state through interactions of the cations with the phenyl substituents, in contrast to their lighter group 1 congeners which are monomeric for lithium and sodium, and THF-bridged for potassium. Both [Rb(THF)]<sub>2</sub>[Ph<sub>4</sub>Pn] and [Cs(THF)]<sub>2</sub>[Ph<sub>4</sub>Pn] displayed increased η<sup>8</sup> coordination, demonstrating a shift towards higher hapticities down the group as previously predicted computationally for the parent M<sub>2</sub>[Pn] complexes (M=group 1 metal). The solid-state structures of the polydentate donor adducts [M(DME)<sub>x</sub>]<sub>2</sub>[Ph<sub>4</sub>Pn] (M=Li, x=1; M=Na, x=2) and [M(Me<sub>6</sub>TREN)]<sub>2</sub>[Ph<sub>4</sub>Pn] (M=K, Rb, Cs) were all monomeric and displayed increased metal-carbon distances and decreased ring slippage values relative to the THF adducts.</p>