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Precision Synthesis and Catalysis using Solid-State Molecular Organometallic Chemistry. Single-Crystal Reactivity in 3D and 2D

Project description

Redefining chemistry one crystal at a time

In chemistry, the most powerful catalysts are often the most unstable. These are fleeting molecular structures that dissolve or deactivate before they can act. In solution, solvents and side reactions can smother this delicate reactivity, preventing scientists from harnessing their full potential. With this in mind, the ERC-funded PRECISION SMOM project aims to solve this challenge by removing the solution altogether. The project’s goal is to introduce reactions that take place inside single crystals, where molecules remain precisely ordered yet reactive. By controlling how metals behave in these crystal environments, PRECISION SMOM aims to unlock new pathways for clean, efficient catalysis. Overall, it will redefine what is possible in molecular synthesis and materials chemistry.

Objective

Fast and efficient solution-based homogeneous catalysis, or the synthesis of complexes with weakly bound ligands (e.g. methane), often requires the formation of a highly active, coordinatively unsaturated, metal centre. However, the vast excess of solvent can play a detrimental role by competitive coordination, or reaction itself, at the metal centre. Even if solvent does not impede the formation of reactive species, dimerisation can form inactive complexes. These factors quench reactivity and obstruct the formation of reactive complexes that are on the brink of stability, but at the cutting-edge of synthesis and catalysis.

If the problem is the solution, then the solution is to remove the solution!

PRECISION SMOM directly addresses this problem, redefining what is possible in the molecular synthesis of, and catalysis with, highly active organometallic complexes, by offering opportunities in chemical space that extend far beyond what is possible using solution-based methods. It does this by exploiting the Solid-state Molecular OrganoMetallic (SMOM) methods pioneered by Weller; where synthesis, reactivity and catalysis occur in crystallo using precisely-defined molecular single-crystals in solid/gas processes, as shown by the synthesis and reactivity of stable σ-alkane complexes, solving a 40-yr-old challenge in organometallic chemistry.

PRECISION SMOM will use a suite of synergistic studies to understand, and control, the influence of metal site and microenvironment on in crystallo reactivity. Such holistic, fundamental, understanding will promote the translation of SMOM systems into precisely-defined heterogeneous molecular catalysis, focussing on selective and efficient processes for a range of challenging but widely applicable transformations. PRECISION SMOM will change the way we think about reactivity in molecular single-crystals: breaking new ground, embracing wider challenges, and exploiting new opportunities for in crystallo synthesis and catalysis.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2024-ADG

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Host institution

UNIVERSITY OF YORK
Net EU contribution
€ 2 063 192,50
Address
HESLINGTON
YO10 5DD YORK NORTH YORKSHIRE
United Kingdom
Region
Yorkshire and the Humber North Yorkshire York
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Beneficiaries (2)