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Reversible Dissociation of a Dialumene

23 August 2021, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Dialumenes are neutral Al(I) compounds with Al=Al multiple bonds. We report the isolation of an amidophosphine-supported dialumene. Our X-ray crystallographic, spectroscopic, and DFT computational analyses reveal a long and extreme trans-bent Al=Al bond with low dissociation energy and bond-order. In solution, the dialumene can dissociate into monomeric Al(I) species. Reactivity studies reveal two modes of reaction: as dialumene or as aluminyl monomers.

Keywords

aluminium
main group
dialumene
low Valent
low oxidation state
multiple bonds

Supplementary materials

Title
Description
Actions
Title
Experimental Supplementary Information
Description
Experimental and computational details
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Title
xyz coordinates
Description
xyz coordinates of calculated species
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Now Published

Reversible Dissociation of a Dialumene** [opens in a new tab]
Rosalyn L. Falconer, Keelan M. Byrne, Gary S. Nichol, Tobias Krämer, Michael J. Cowley journal article
Angewandte Chemie International Edition , Volume 60, Issue 46
Online publication date: Oct 07, 2021

Version History

Aug 23, 2021 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-2021-6443s
D O I: 10.26434/chemrxiv-2021-6443s [opens in a new tab]

Funding

European Research Council
ERC-2016-STG-716315

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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