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Uncoordinated β-Diketiminate Anions: Structural Insights from Caesium Complexes

12 May 2023, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

This study reports the first structural elucidation of uncoordinated β-diketiminate anions (BDI–) in the presence of caesium complexes. The β-diketiminate caesium salt (BDICs) was synthesised, and upon addition of Lewis donor ligands, free BDI– anions and donor-solvated Cs+ cations were observed. Interestingly, the released BDI– anions exhibit a dynamic cisoid-transoid exchange in solution.

Keywords

β-diketiminate
anions
caesium complexes
structural dynamics
uncoordinated species

Supplementary materials

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Description
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Supporting Information
Description
Experimental procedures, characterisation data, selected figures, computational and crystallographic details. Crystallographic data is also available in CIF format (CCDC deposition numbers 2256945-2256948).
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Supplementary deposited crystallographic files
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Supplementary deposited crystallographic files (CIF). CCDC deposition numbers 2256945-2256948.
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Version History

May 12, 2023 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-pb6m1
D O I: 10.26434/chemrxiv-2023-pb6m1 [opens in a new tab]

Funding

Ministry of Science and Innovation (MCIN, Spain)
EUR2020-112189
Ministry of Science and Innovation (MCIN, Spain)
PID2019-108292RA-I00
Andalusian Government and FEDER
P20-00373
University of Huelva
UHU-202043
Ministry of Science and Innovation (MCIN, Spain) and AEI
RYC-2017-21783

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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