{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["64(35)"],"submitter":["Xia X"],"pubmed_abstract":["Side-on coordinated molecular hypofluorites FM(η<sup>2</sup>-OF) (M = Mg, Ca, Sr, and Ba) were prepared by co-deposition of laser-ablated alkaline earth metal atoms with diluted OF<sub>2</sub> in cryogenic matrices. The structures parallel the non-VESPR structures of alkaline earth metal difluorides and dihydrides, such that FMg(η<sup>2</sup>-OF) is planar, FCa(η<sup>2</sup>-OF) is planar but with a shallow bending-potential curve, while FSr(η<sup>2</sup>-OF) and FBa(η<sup>2</sup>-OF) are non-planar. Bonding analyses show that the interactions between the metal center M<sup>2+</sup> and the negatively charged ligands F<sup>-</sup> and OF<sup>-</sup> are mainly electrostatic. Moreover, for FMg(η<sup>2</sup>-OF), donation of electron density from OF<sup>-</sup> to empty s and p orbitals of magnesium is involved. However, for the heavier alkaline earth metal compounds, the donation to empty d orbitals of the metal center becomes dominant in orbital interactions, which contributes to their non-planar structures."],"journal":["Angewandte Chemie (International ed. in English)"],"pagination":["e202507151"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12377426"],"repository":["biostudies-literature"],"pubmed_title":["Side-On Coordination in Molecular Alkaline Earth Metal Hypofluorites FM(η&lt;sup&gt;2&lt;/sup&gt;-OF) (M = Mg, Ca, Sr, and Ba)."],"pmcid":["PMC12377426"],"pubmed_authors":["Xia X","Riedel S","Medel R"],"additional_accession":[]},"is_claimable":false,"name":"Side-On Coordination in Molecular Alkaline Earth Metal Hypofluorites FM(η&lt;sup&gt;2&lt;/sup&gt;-OF) (M = Mg, Ca, Sr, and Ba).","description":"Side-on coordinated molecular hypofluorites FM(η<sup>2</sup>-OF) (M = Mg, Ca, Sr, and Ba) were prepared by co-deposition of laser-ablated alkaline earth metal atoms with diluted OF<sub>2</sub> in cryogenic matrices. The structures parallel the non-VESPR structures of alkaline earth metal difluorides and dihydrides, such that FMg(η<sup>2</sup>-OF) is planar, FCa(η<sup>2</sup>-OF) is planar but with a shallow bending-potential curve, while FSr(η<sup>2</sup>-OF) and FBa(η<sup>2</sup>-OF) are non-planar. Bonding analyses show that the interactions between the metal center M<sup>2+</sup> and the negatively charged ligands F<sup>-</sup> and OF<sup>-</sup> are mainly electrostatic. Moreover, for FMg(η<sup>2</sup>-OF), donation of electron density from OF<sup>-</sup> to empty s and p orbitals of magnesium is involved. However, for the heavier alkaline earth metal compounds, the donation to empty d orbitals of the metal center becomes dominant in orbital interactions, which contributes to their non-planar structures.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Aug","modification":"2026-05-09T19:05:55.486Z","creation":"2026-04-08T01:10:46.359Z"},"accession":"S-EPMC12377426","cross_references":{"pubmed":["40586476"],"doi":["10.1002/anie.202507151"]}}