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K2Mn II2(H2O)2C2O4(HPO3)2: a new 2D manganese(ii) oxalatophosphite with double-layered honeycomb sheets stabilized by potassium ions†
CrystEngComm ( IF 2.6 ) Pub Date : 2017-12-01 00:00:00 , DOI: 10.1039/c7ce01637a
Joseba Orive 1, 2, 3, 4, 5 , Ramesh Sivasamy 1, 2, 3, 4, 5 , Roberto Fernández de Luis 6, 7, 8, 9, 10 , Edgar Mosquera 11, 12, 13, 14 , María I. Arriortua 6, 7, 8, 9, 10
Affiliation  

A novel 2D metal oxalatophosphite, K2MnII2(H2O)2C2O4(HPO3)2 (KMnCP), was hydrothermally synthesized and characterized. The hexagonal morphology and crystal growth faces of KMnCP were predicted by the Bravais–Friedel–Donnay–Harker (BFDH) theory. Single crystal X-ray diffraction analysis revealed that the compound displays a unique double layered structure constructed from Mn(H2O)(HPO3) single layers linked by oxalate ligands, where the potassium levels interrupt the 3D connectivity through the organic bridges. Moreover, in order to classify this archetype, a crystallochemical revision of metal oxalatophosphites with anionic frameworks has been carried out. Several secondary building units (SBUs) formed from metal–phosphite substructures and different roles of the oxalate bridges have been observed, which has led us to propose a new structural classification for these kinds of materials that share common features with classic inorganic metal phosphates and coordination polymers. Finally, the thermal, spectroscopic and magnetic properties together with the electronic structure of the studied compound are discussed.

中文翻译:

K 2 Mn II 2(H 2 O)2 C 2 O 4(HPO 32:一种新型的二维草酸亚磷酸锰(ii)草酸钾,其双层蜂窝状薄膜由钾离子稳定

水热合成了新型的二维金属草酸亚磷酸酯K 2 Mn II 2(H 2 O)2 C 2 O 4(HPO 32KMnCP)。通过Bravais–Friedel–Donnay–Harker(BFDH)理论预测了KMnCP的六边形形态和晶体生长面。单晶X射线衍射分析表明该化合物显示出由Mn(H 2 O)(HPO 3)构成的独特双层结构)由草酸盐配体连接的单层,其中钾水平通过有机桥中断3D连接。此外,为了对该原型进行分类,已经进行了具有阴离子骨架的草酸亚磷酸金属盐的晶体化学修饰。已经观察到由金属-亚磷酸盐亚结构和草酸盐桥的不同作用形成的几个二级建筑单元(SBU),这使我们为这类材料提出了一种新的结构分类,这些材料与经典的无机金属磷酸盐具有共同的特征并具有协调性。聚合物。最后,讨论了所研究化合物的热学,光谱学和磁学性质以及电子结构。
更新日期:2017-12-01
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