{"title":"(η<sup>6</sup>-Benzene)-chlorido-[2-(pyridin-2-yl)quinoline-κ<sup>2</sup> <i>N</i>,<i>N</i>']ruthenium(II) tetra-fluorido-borate.","authors":"Manikandan Varadhan, Ibanpynhunlang Passi, Thangaraja Chinnathangavel, Venugopal Rajendiran","doi":"10.1107/S2414314624012409","DOIUrl":null,"url":null,"abstract":"<p><p>The title compound, [RuCl(C<sub>6</sub>H<sub>6</sub>)(C<sub>14</sub>H<sub>10</sub>N<sub>2</sub>)]BF<sub>4</sub> or [Ru(η<sup>6</sup>-benzene)(<i>L</i>)Cl]<sup>+</sup>BF<sub>4</sub> <sup>-</sup> [where <i>L</i> denotes the 2-(pyridin-2-yl)quinoline ligand], crystallizes in the monoclinic space group <i>P</i>2<sub>1</sub>/<i>c</i>. The coordination environment around Ru<sup>II</sup> is best described as pseudo-octa-hedral, resembling the familiar half-sandwich 'three-legged piano-stool' shape. In the coordination sphere, the η<sup>6</sup>-binding benzene ligand coordinates with the central Ru<sup>II</sup> atom occupying the 'seat' of the stool with a metal-to-centroid distance of 1.695 (17) Å, while the chelate ligand <i>L</i> coordinates with its N atoms and, together with the Cl ligand, defines the 'legs' of the stool. Apart from Coulombic forces, C-H⋯F and C-H⋯Cl hydrogen-bonding inter-actions consolidate the crystal packing.</p>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"10 Pt 1","pages":"x241240"},"PeriodicalIF":0.0000,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11799777/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IUCrData","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1107/S2414314624012409","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The title compound, [RuCl(C6H6)(C14H10N2)]BF4 or [Ru(η6-benzene)(L)Cl]+BF4- [where L denotes the 2-(pyridin-2-yl)quinoline ligand], crystallizes in the monoclinic space group P21/c. The coordination environment around RuII is best described as pseudo-octa-hedral, resembling the familiar half-sandwich 'three-legged piano-stool' shape. In the coordination sphere, the η6-binding benzene ligand coordinates with the central RuII atom occupying the 'seat' of the stool with a metal-to-centroid distance of 1.695 (17) Å, while the chelate ligand L coordinates with its N atoms and, together with the Cl ligand, defines the 'legs' of the stool. Apart from Coulombic forces, C-H⋯F and C-H⋯Cl hydrogen-bonding inter-actions consolidate the crystal packing.
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