{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15(40)"],"submitter":["Duong LV"],"pubmed_abstract":["The stability and electronic structure of B<sub>7</sub>Si<sub>3</sub> <sup><i>q</i></sup> (<i>q</i> = +, 0, -, 2- and 3-), Li<sub>3</sub>B<sub>7</sub>Si<sub>3</sub> and Li<sub>3</sub>B<sub>10</sub>H<sub>3</sub> clusters have been investigated through a comprehensive isomer search, with a focus on the perfect triangular planar isomer T<sup>+</sup> of B<sub>7</sub>Si<sub>3</sub> <sup>+</sup>. Despite its double aromaticity, this form is thermodynamically unstable. Two strategies for the stabilization of the triangular form are proposed: (i) sequential addition of σ electrons and (ii) incorporation of Li atoms to reduce excessive negative charge. The former reveals that the addition of up to four electrons gradually improves its stability, with T<sup>2-</sup> being the most favourable isomer "],"journal":["RSC advances"],"pagination":["33844-33853"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12441677"],"repository":["biostudies-literature"],"pubmed_title":["A ternary Li&lt;sub&gt;3&lt;/sub&gt;B&lt;sub&gt;7&lt;/sub&gt;Si&lt;sub&gt;3&lt;/sub&gt; cluster: when reduced electron delocalization enhances thermodynamic stability."],"pmcid":["PMC12441677"],"pubmed_authors":["Duong LV","Pham-Tran PA","Chwastyk M","Nguyen MT","Pham-Ho MP"],"additional_accession":[]},"is_claimable":false,"name":"A ternary Li&lt;sub&gt;3&lt;/sub&gt;B&lt;sub&gt;7&lt;/sub&gt;Si&lt;sub&gt;3&lt;/sub&gt; cluster: when reduced electron delocalization enhances thermodynamic stability.","description":"The stability and electronic structure of B<sub>7</sub>Si<sub>3</sub> <sup><i>q</i></sup> (<i>q</i> = +, 0, -, 2- and 3-), Li<sub>3</sub>B<sub>7</sub>Si<sub>3</sub> and Li<sub>3</sub>B<sub>10</sub>H<sub>3</sub> clusters have been investigated through a comprehensive isomer search, with a focus on the perfect triangular planar isomer T<sup>+</sup> of B<sub>7</sub>Si<sub>3</sub> <sup>+</sup>. Despite its double aromaticity, this form is thermodynamically unstable. Two strategies for the stabilization of the triangular form are proposed: (i) sequential addition of σ electrons and (ii) incorporation of Li atoms to reduce excessive negative charge. The former reveals that the addition of up to four electrons gradually improves its stability, with T<sup>2-</sup> being the most favourable isomer ","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-03T11:27:04.509Z","creation":"2026-04-27T03:10:35.933Z"},"accession":"S-EPMC12441677","cross_references":{"pubmed":["40969523"],"doi":["10.1039/d5ra04954g"]}}