A 1D Helical Chain Heterpolyniobate Templated by AsO33.,Inorganic Chemistry

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A 1D Helical Chain Heterpolyniobate Templated by AsO33.
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-01-15 , DOI: 10.1021/acs.inorgchem.9b03313
Zongfei Yang ₁ , Jingjing Shang ₁ , Yuzan He ₁ , Yuanyuan Qiao ₁ , Pengtao Ma ₁ , Jingyang Niu ₁ , Jingping Wang ₁

Affiliation

A novel polyoxoniobate cluster directed by AsO33-, {[Cu(phen)]5[Nb6O19][As2Nb6O22]}2 (1a), has been successfully synthesized by a "two-pot" strategy, namely, the conventional aqueous solution and diffusional methods. It incorporates two {[Cu(phen)]2Nb6O19} and two {[Cu(phen)]3As2Nb6O22} subunits. Surprisingly, by changing the reaction conditions, one of the subunits {[Cu(phen)]2Nb6O19} was isolated as a guanidinium salt. These architectures were structurally characterized by single crystal X-ray diffraction, TGA, IR, elemental analysis and PXRD, etc. Furthermore, the behavior of 1 in aqueous solution was measured by electrospray ionization mass spectrometry, and the magnetic property in the low temperature range indicates the presence of antiferromagnetic interactions.

中文翻译：

由AsO33模板化的一维螺旋链杂多铌酸盐。

一种由AsO33-，{[Cu（phen）] 5 [Nb6O19] [As2Nb6O22]} 2（1a）指导的新型聚氧杂酸簇已经通过“两锅”策略成功合成，即常规水溶液和扩散方法。它包含两个{[Cu（phen）] 2Nb6O19}和两个{[Cu（phen）] 3As2Nb6O22}亚基。令人惊讶地，通过改变反应条件，分离出亚单位{[Cu（phen）] 2 Nb 6 O 19}之一的胍盐。通过单晶X射线衍射，TGA，IR，元素分析和PXRD等对这些体系结构进行了结构表征。此外，通过电喷雾电离质谱法测量了水溶液中1的行为以及在低温范围内的磁性能。表示存在反铁磁相互作用。

更新日期：2020-01-16

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