{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T13:01:35Z","timestamp":1791291695606,"version":"4.1.0"},"reference-count":43,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\u03c0\u2010Extended porphyrinoids are versatile platforms for the emerging field of \u03c0\u2010electron magnetism in conjugated systems. However, achieving controlled bond\u2010selective transformations that enable tuning of their electronic ground states remains a major challenge. Here, we propose a protocol for covalent bond dissociation in \u03c0\u2010extended porphyrinoids at carbonitrile\u2010Au substituents. By applying bias pulses with an STM tip positioned close to the molecule, the ligand can be selectively cleaved, resulting in chemisorption of the porphyrinoid onto the Au(111) surface. BR\u2010STM provides structural insights into the bonding configurations before and after the scission, while STS in combination with DFT+CASCI calculations reveals the impact of the cleavage on the molecule's electronic properties. Whereas the intact molecule exhibits a closed\u2010shell electronic structure, removal of the ligands induces a change in its electronic ground state, leading to the emergence of a Kondo resonance upon cleavage of the CN\u2500Au ligands. In addition, DFT + vdW simulations show that carbonitrile\u2500Au coordination weakens the carbon\u2500carbon bond connecting the ligand to the molecular core, thereby facilitating its cleavage through tip\u2010induced manipulation. Overall, these results provide insights into the bonding nature of the carbonitrile\u2500Au interaction and demonstrate how the bond scission induces a transition from closed\u2010shell to open\u2010shell states.<\/jats:p>","DOI":"10.1002\/anie.4947314","type":"journal-article","created":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T12:50:00Z","timestamp":1791291000000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Inducing Radicality in Gold\u2010Coordinated Porphyrinoids Through Precise Tip\u2010Induced Covalent Bond Dissociation"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-5469-5028","authenticated-orcid":false,"given":"Lenka","family":"Cerna","sequence":"first","affiliation":[{"name":"IMDEA Nanoscience, C\/ Faraday 9 Campus de Cantoblanco  Madrid 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