{"title":"Synthesis and Crystal Structure of New Hydrated Lead Selenite Nitrate Pb4(SeO3)3(NO3)2·2H2O","authors":"O. I. Siidra, V. Yu. Grishaev","doi":"10.1134/s002247662407014x","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The synthesis and crystal structure of new hydrated lead selenite nitrate Pb<sub>4</sub>(SeO<sub>3</sub>)<sub>3</sub>(NO<sub>3</sub>)<sub>2</sub>·2H<sub>2</sub>O (<b>1</b>) are reported. The crystal structure of <b>1</b> (<span>\\(P\\bar{1}\\)</span>, <i>a</i> = 7.2590(2) Å, <i>b</i> = 7.6454(2) Å, <i>c</i> = 14.7293(4) Å, α = 84.386(2)°, β = 78.311(2)°, γ = 83.643(2)°, <i>V</i> = 793.18(4) Å<sup>3</sup>, <i>R</i><sub>1</sub> = 3.1%) belongs to a new structure type. It is based on a porous framework composed of [Pb<sub>4</sub>(SeO<sub>3</sub>)<sub>3</sub>]<sup>2+</sup> layers strongly bound via nitrate anions. Water molecules are located in the channels. Stereochemically active electron pairs of SeO<sub>3</sub><i>E</i> groups are directed toward each other. The structure of <b>1</b> is compared with similar architectures involving Pb<sup>2+</sup> and Se<sup>4+</sup> cations.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":null,"pages":null},"PeriodicalIF":1.2000,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Structural Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1134/s002247662407014x","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
The synthesis and crystal structure of new hydrated lead selenite nitrate Pb4(SeO3)3(NO3)2·2H2O (1) are reported. The crystal structure of 1 (\(P\bar{1}\), a = 7.2590(2) Å, b = 7.6454(2) Å, c = 14.7293(4) Å, α = 84.386(2)°, β = 78.311(2)°, γ = 83.643(2)°, V = 793.18(4) Å3, R1 = 3.1%) belongs to a new structure type. It is based on a porous framework composed of [Pb4(SeO3)3]2+ layers strongly bound via nitrate anions. Water molecules are located in the channels. Stereochemically active electron pairs of SeO3E groups are directed toward each other. The structure of 1 is compared with similar architectures involving Pb2+ and Se4+ cations.
期刊介绍：
Journal is an interdisciplinary publication covering all aspects of structural chemistry, including the theory of molecular structure and chemical bond; the use of physical methods to study the electronic and spatial structure of chemical species; structural features of liquids, solutions, surfaces, supramolecular systems, nano- and solid materials; and the crystal structure of solids.
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