{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Ehret F"],"funding":["Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg","Deutsche Forschungsgemeinschaft"],"pagination":["3374-3381"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7986709"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["27(10)"],"pubmed_abstract":["Reaction of [Pt(DMSO)<sub>2</sub> Cl<sub>2</sub> ] or [Pd(MeCN)<sub>2</sub> Cl<sub>2</sub> ] with the electron-rich LH=N,N'-bis(4-dimethylaminophenyl)ethanimidamide yielded mononuclear [PtL<sub>2</sub> ] (1) but dinuclear [Pd<sub>2</sub> L<sub>4</sub> ] (2), a paddle-wheel complex. The neutral compounds were characterized through experiments (crystal structures, electrochemistry, UV-vis-NIR spectroscopy, magnetic resonance) and TD-DFT calculations as metal(II) species with noninnocent ligands L<sup>-</sup> . The reversibly accessible cations [PtL<sub>2</sub> ]<sup>+</sup> and [Pd<sub>2</sub> L<sub>4</sub> ]<sup>+</sup> were also studied, the latter as [Pd<sub>2</sub> L<sub>4</sub> ][B{3,5-(CF<sub>3</sub> )<sub>2</sub> C<sub>6</sub> H<sub>3</sub> }<sub>4</sub> ] single crystals. Experimental and computational investigations were directed at the elucidation of the electronic structures, establishing the correct oxidation states within the alternatives [Pt<sup>II</sup> (L<sup>-</sup> )<sub>2</sub> ] or [Pt<sup>.</sup> (L )<sub>2</sub> ], [Pt<sup>II</sup> (L<sup>0.5-</sup> )<sub>2</sub> ]<sup>+</sup> or [Pt<sup>III</sup> (L<sup>-</sup> )<sub>2</sub> ]<sup>+</sup> , [(Pd<sup>II</sup> )<sub>2</sub> (μ-L<sup>-</sup> )<sub>4</sub> ] or [(Pd<sup>1.5</sup> )<sub>2</sub> (μ-L<sup>0.75-</sup> )<sub>4</sub> ], and [(Pd<sup>2.5</sup> )<sub>2</sub> (μ-L<sup>-</sup> )<sub>4</sub> ]<sup>+</sup> or [(Pd<sup>II</sup> )<sub>2</sub> (μ-L<sup>0.75-</sup> )<sub>4</sub> ]<sup>+</sup> . In each case, the first alternative was shown to be most appropriate. Remarkable results include the preference of platinum for mononuclear planar [PtL<sub>2</sub> ] with an N-Pt-N bite angle of 62.8(2)° in contrast to [Pd<sub>2</sub> L<sub>4</sub> ], and the dimetal (Pd<sub>2</sub> <sup>4+</sup> →Pd<sub>2</sub> <sup>5+</sup> ) instead of ligand (L<sup>-</sup> →L ) oxidation of the dinuclear palladium compound."],"journal":["Chemistry (Weinheim an der Bergstrasse, Germany)"],"pubmed_title":["Structural and Oxidation State Alternatives in Platinum and Palladium Complexes of a Redox-Active Amidinato Ligand."],"pmcid":["PMC7986709"],"funding_grant_id":["INST 40/467-1 FUGG (Justus Cluster)","bwHPC"],"pubmed_authors":["Kaim W","Ehret F","Zalis S","Blickle S","Filippou V","Bubrin M"],"additional_accession":[]},"is_claimable":false,"name":"Structural and Oxidation State Alternatives in Platinum and Palladium Complexes of a Redox-Active Amidinato Ligand.","description":"Reaction of [Pt(DMSO)<sub>2</sub> Cl<sub>2</sub> ] or [Pd(MeCN)<sub>2</sub> Cl<sub>2</sub> ] with the electron-rich LH=N,N'-bis(4-dimethylaminophenyl)ethanimidamide yielded mononuclear [PtL<sub>2</sub> ] (1) but dinuclear [Pd<sub>2</sub> L<sub>4</sub> ] (2), a paddle-wheel complex. The neutral compounds were characterized through experiments (crystal structures, electrochemistry, UV-vis-NIR spectroscopy, magnetic resonance) and TD-DFT calculations as metal(II) species with noninnocent ligands L<sup>-</sup> . The reversibly accessible cations [PtL<sub>2</sub> ]<sup>+</sup> and [Pd<sub>2</sub> L<sub>4</sub> ]<sup>+</sup> were also studied, the latter as [Pd<sub>2</sub> L<sub>4</sub> ][B{3,5-(CF<sub>3</sub> )<sub>2</sub> C<sub>6</sub> H<sub>3</sub> }<sub>4</sub> ] single crystals. Experimental and computational investigations were directed at the elucidation of the electronic structures, establishing the correct oxidation states within the alternatives [Pt<sup>II</sup> (L<sup>-</sup> )<sub>2</sub> ] or [Pt<sup>.</sup> (L )<sub>2</sub> ], [Pt<sup>II</sup> (L<sup>0.5-</sup> )<sub>2</sub> ]<sup>+</sup> or [Pt<sup>III</sup> (L<sup>-</sup> )<sub>2</sub> ]<sup>+</sup> , [(Pd<sup>II</sup> )<sub>2</sub> (μ-L<sup>-</sup> )<sub>4</sub> ] or [(Pd<sup>1.5</sup> )<sub>2</sub> (μ-L<sup>0.75-</sup> )<sub>4</sub> ], and [(Pd<sup>2.5</sup> )<sub>2</sub> (μ-L<sup>-</sup> )<sub>4</sub> ]<sup>+</sup> or [(Pd<sup>II</sup> )<sub>2</sub> (μ-L<sup>0.75-</sup> )<sub>4</sub> ]<sup>+</sup> . In each case, the first alternative was shown to be most appropriate. Remarkable results include the preference of platinum for mononuclear planar [PtL<sub>2</sub> ] with an N-Pt-N bite angle of 62.8(2)° in contrast to [Pd<sub>2</sub> L<sub>4</sub> ], and the dimetal (Pd<sub>2</sub> <sup>4+</sup> →Pd<sub>2</sub> <sup>5+</sup> ) instead of ligand (L<sup>-</sup> →L ) oxidation of the dinuclear palladium compound.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Feb","modification":"2025-04-04T14:35:10.859Z","creation":"2025-04-04T14:35:10.859Z"},"accession":"S-EPMC7986709","cross_references":{"pubmed":["32959415"],"doi":["10.1002/chem.202003636"]}}