M. I. Rakhmanova, D. G. Samsonenko, E. A. Kovalenko
{"title":"Synthesis, Crystal Structure and Luminescent Properties of [{Eu(1–x)Nd(1+x)(H2O)5(NO3)}2CB[6]] (NO3)4·HNO3·6H2O (x = 0.5, –0.5)","authors":"M. I. Rakhmanova, D. G. Samsonenko, E. A. Kovalenko","doi":"10.1134/S0022476624080134","DOIUrl":null,"url":null,"abstract":"<p>Supramolecular adducts of lanthanide complexes with cucurbituril, [{Eu<sub>(1–<i>x</i>)</sub>Nd<sub>(1+<i>x</i>)</sub>(H<sub>2</sub>O)<sub>5</sub>(NO<sub>3</sub>)}<sub>2</sub> CB[6]](NO<sub>3</sub>)<sub>4</sub>·HNO<sub>3</sub>·6H<sub>2</sub>O (<i>x</i> = 0.5, –0.5), are prepared by heating a mixture of dissolved lanthanide nitrates and cucurbit[6]uril. According to the single-crystal XRD data for <b>1 </b>and<b> 2</b>, the metal is connected to the macrocycle through the bidentate coordination of oxygen atoms of cucurbit[6]uril portals to the lanthanide(III) cations, thus leading to the formation of a molecular complex. In the crystal, the [{Ln(H<sub>2</sub>O)<sub>5</sub>(NO<sub>3</sub>)}<sub>2</sub>(CB[6])]<sup>4+</sup> cations are interconnected by a system of hydrogen bonds. The compounds are shown to be isostructural and are characterized by a number of physicochemical methods: IR spectroscopy, powder XRD, and elemental analysis. Their luminescence spectra are recorded.</p>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1134/S0022476624080134","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Supramolecular adducts of lanthanide complexes with cucurbituril, [{Eu(1–x)Nd(1+x)(H2O)5(NO3)}2 CB[6]](NO3)4·HNO3·6H2O (x = 0.5, –0.5), are prepared by heating a mixture of dissolved lanthanide nitrates and cucurbit[6]uril. According to the single-crystal XRD data for 1 and 2, the metal is connected to the macrocycle through the bidentate coordination of oxygen atoms of cucurbit[6]uril portals to the lanthanide(III) cations, thus leading to the formation of a molecular complex. In the crystal, the [{Ln(H2O)5(NO3)}2(CB[6])]4+ cations are interconnected by a system of hydrogen bonds. The compounds are shown to be isostructural and are characterized by a number of physicochemical methods: IR spectroscopy, powder XRD, and elemental analysis. Their luminescence spectra are recorded.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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