{"title":"Poly[bis(μ4-oxalato)potassium(I)praseodymium(III)]","authors":"Kanthida Kummoon , Sakchai Laksee , Kittipong Chainok","doi":"10.1107/S2414314625006078","DOIUrl":null,"url":null,"abstract":"<div><div>The oxalate-bridged alkali/lanthanide bimetallic coordination polymer is formed by linking Pr<sup>3+</sup> and K<sup>+</sup> cations atoms through oxalate ligands using a <em>μ</em><sub>4</sub>-chelating/bridging coordination mode.</div></div><div><div>The asymmetric unit of the title oxalate-bridged bimetallic coordination polymer, [KPr(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<sub><em>n</em></sub>, contains one Pr<sup>3+</sup> cation, one K<sup>+</sup> cation, one complete C<sub>2</sub>O<sub>4</sub><sup>2–</sup> anion, and one half of each of two C<sub>2</sub>O<sub>4</sub><sup>2–</sup> anions positioned on crystallographic inversion centers in the monoclinic space group <em>P</em>2<sub>1</sub>/<em>c</em>. The completely deprotonated C<sub>2</sub>O<sub>4</sub><sup>2–</sup> ligands exhibit a <em>μ</em><sub>4</sub>-chelating/bridging coordination mode that connects the Pr<sup>3+</sup> and K<sup>+</sup> cations into a framework structure.<blockquote><div><span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (284KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></blockquote></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"10 7","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IUCrData","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S2414314625000653","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The oxalate-bridged alkali/lanthanide bimetallic coordination polymer is formed by linking Pr3+ and K+ cations atoms through oxalate ligands using a μ4-chelating/bridging coordination mode.
The asymmetric unit of the title oxalate-bridged bimetallic coordination polymer, [KPr(C2O4)2]n, contains one Pr3+ cation, one K+ cation, one complete C2O42– anion, and one half of each of two C2O42– anions positioned on crystallographic inversion centers in the monoclinic space group P21/c. The completely deprotonated C2O42– ligands exhibit a μ4-chelating/bridging coordination mode that connects the Pr3+ and K+ cations into a framework structure.
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