{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Rosa-Gastaldo D"],"funding":["Swiss National Science Foundation"],"pagination":["6838-6843"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10077333"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["15(14)"],"pubmed_abstract":["Ligand and metal exchange reactions are powerful methods to tailor the properties of atomically precise metal nanoclusters. Hence, a deep understanding of the mechanisms behind the dynamics that rule the ligand monolayer is crucial for its specific functionalization. Combining variable-temperature NMR experiments and dynamic-NMR simulations, we extract the thermodynamic activation parameters of a new exchange reaction: the intracluster ligand rearrangement between the two symmetry-unique positions in [Ag<sub>25</sub>(DMBT)<sub>18</sub>]<sup>-</sup> and [Ag<sub>24</sub>Au(DMBT)<sub>18</sub>]<sup>-</sup> clusters. We report for the first time that this peculiar intracluster modification does not seem to proceed <i>via</i> metal-sulphur bond breaking and follows a first-order rate law, being "],"journal":["Nanoscale"],"pubmed_title":["Intracluster ligand rearrangement: an NMR-based thermodynamic study."],"pmcid":["PMC10077333"],"funding_grant_id":["200020","200020_192232","192232"],"pubmed_authors":["Viger-Gravel J","Pupier M","Rosa-Gastaldo D","Burgi T","Meshvildishvili G"],"additional_accession":[]},"is_claimable":false,"name":"Intracluster ligand rearrangement: an NMR-based thermodynamic study.","description":"Ligand and metal exchange reactions are powerful methods to tailor the properties of atomically precise metal nanoclusters. Hence, a deep understanding of the mechanisms behind the dynamics that rule the ligand monolayer is crucial for its specific functionalization. Combining variable-temperature NMR experiments and dynamic-NMR simulations, we extract the thermodynamic activation parameters of a new exchange reaction: the intracluster ligand rearrangement between the two symmetry-unique positions in [Ag<sub>25</sub>(DMBT)<sub>18</sub>]<sup>-</sup> and [Ag<sub>24</sub>Au(DMBT)<sub>18</sub>]<sup>-</sup> clusters. We report for the first time that this peculiar intracluster modification does not seem to proceed <i>via</i> metal-sulphur bond breaking and follows a first-order rate law, being ","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Apr","modification":"2026-05-28T14:05:28.122Z","creation":"2024-11-21T09:31:00.419Z"},"accession":"S-EPMC10077333","cross_references":{"pubmed":["36960796"],"doi":["10.1039/d3nr00360d"]}}