{"title":"A Two-Dimensional Layered Heteropolyoxoniobate Based on Cubic Sn(IV)-Containing {Sn12Nb56O200} Cages with Good Proton Conductivity Property","authors":"Ping-Xin Wu, Yu-Jin Lin, Yan-Qiong Sun, Shou-Tian Zheng","doi":"10.1021/acs.inorgchem.4c04197","DOIUrl":null,"url":null,"abstract":"The first example of a Sn(IV)-containing heteropolyoxoniobate K<sub>6</sub>H<sub>18</sub>[Cu(en)<sub>2</sub>]<sub>8</sub>{[Sn(OH)<sub>2</sub>]<sub>12</sub> (HNb<sub>7</sub>O<sub>22</sub>)<sub>8</sub>}·2en·88H<sub>2</sub>O (<b>1</b>) is built from nanoscale high-nuclearity cubic {[Sn(OH)<sub>2</sub>]<sub>12</sub>(HNb<sub>7</sub>O<sub>22</sub>)<sub>8</sub>} cluster and [Cu(en)<sub>2</sub>]<sup>2+</sup> complexes. The cubic {[Sn(OH)<sub>2</sub>]<sub>12</sub>(HNb<sub>7</sub>O<sub>22</sub>)<sub>8</sub>} cage is composed of eight {Nb<sub>7</sub>O<sub>22</sub>} clusters and 12 SnO<sub>6</sub> octahedrons. The eight {Nb<sub>7</sub>O<sub>22</sub>} fragments are situated at the vertices of the cubic cage, while the 12 SnO<sub>6</sub> octahedrons are positioned along the edges of the cubic cage. The [Cu(en)<sub>2</sub>]<sup>2+</sup> complexes link the {[Sn(OH)<sub>2</sub>]<sub>12</sub>(HNb<sub>7</sub>O<sub>22</sub>)<sub>8</sub>} clusters into two-dimensional (2D) (4,4) grid-like layers. The N–H···O hydrogen bonds between the [Cu(en)<sub>2</sub>]<sup>2+</sup> complexes and the {[Sn(OH)<sub>2</sub>]<sub>12</sub>(HNb<sub>7</sub>O<sub>22</sub>)<sub>8</sub>} clusters link the layers to form a 3D supramolecular structure. Compound <b>1</b> exhibits a good proton conductivity of 3.1 × 10<sup>–2</sup> S cm<sup>–1</sup> at 85 °C and 98% relative humidity.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"14 1","pages":""},"PeriodicalIF":4.3000,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inorganic Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1021/acs.inorgchem.4c04197","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
The first example of a Sn(IV)-containing heteropolyoxoniobate K6H18[Cu(en)2]8{[Sn(OH)2]12 (HNb7O22)8}·2en·88H2O (1) is built from nanoscale high-nuclearity cubic {[Sn(OH)2]12(HNb7O22)8} cluster and [Cu(en)2]2+ complexes. The cubic {[Sn(OH)2]12(HNb7O22)8} cage is composed of eight {Nb7O22} clusters and 12 SnO6 octahedrons. The eight {Nb7O22} fragments are situated at the vertices of the cubic cage, while the 12 SnO6 octahedrons are positioned along the edges of the cubic cage. The [Cu(en)2]2+ complexes link the {[Sn(OH)2]12(HNb7O22)8} clusters into two-dimensional (2D) (4,4) grid-like layers. The N–H···O hydrogen bonds between the [Cu(en)2]2+ complexes and the {[Sn(OH)2]12(HNb7O22)8} clusters link the layers to form a 3D supramolecular structure. Compound 1 exhibits a good proton conductivity of 3.1 × 10–2 S cm–1 at 85 °C and 98% relative humidity.
期刊介绍:
Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.