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Four new silver phosphonates constructed from semi-rigid phosphonate ligands: synthesis, structure and properties
Hou, Xiaomin1; Tang, Si-Fu2
2016
发表期刊RSC ADVANCES
卷号6期号:102页码:100158-100166
摘要Four new silver phosphonates, namely, Ag-3(H3L1) (1), Ag-2(H2L2) (2), Ag-2(H2L2)(pyz) (3) and Ag-2(H4L2)(H2L2)(4,4'-bipy)(H2O) (4) (H6L1 = (benzene-1,3,5-triyltris(methylene)) tris(phosphonic acid); H4L2 = (2,5-dimethyl-1,4-phenylene) bis(phosphonic acid); pyz = pyrazine; 4,4'-bipy = 4,4'-bipyridine) have been synthesized from the reactions of silver oxide (Ag2O) and tris or bisphosphonate ligands with or without the existence of second auxiliary ligands via hydrothermal methods. These silver phosphonates were systematically characterized using single-crystal and powder X-ray diffraction, IR, EA, TGA and fluorescence technologies. The phosphonate ligands adopt diverse coordination modes and coordinate to the silver ions with O-Ag bonds as well as C-Ag bonds, forming various coordination configurations around the silver ions. Compound 1 features a pillar-layered structure with silver and oxygen atoms as the layer and the organic linkers as pillars. Compound 2 displays a layer structure which can assemble into a three-dimensional supramolecular structure with the aid of O-H center dot center dot center dot O interactions. In compound 3, silver ions are linked into layers and further connected to form a pillar-layered structure with the pyrazine molecules as pillars. Compound 4 also displays a layer structure which is constructed from ladders and organic phosphonate ligands. The photophysical measurements suggested that these compounds all displayed intraligand fluorescence.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c6ra21382k
关键词[WOS]METAL-ORGANIC FRAMEWORK ; COORDINATION POLYMERS ; ADSORPTION PROPERTIES ; AUXILIARY LIGANDS ; COMPLEXES ; ACID ; PHOTOLUMINESCENCE ; CRYSTAL ; DIPHOSPHONATES ; COPPER(I)
收录类别SCI
语种英语
WOS研究方向Chemistry
项目资助者National Natural Science Foundation of China(21171173)
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000386439800067
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9076
专题多相催化转化研究组
作者单位1.Qingdao Agr Univ, Coll Life Sci, Changcheng Rd 700, Qingdao 266109, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
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Hou, Xiaomin,Tang, Si-Fu. Four new silver phosphonates constructed from semi-rigid phosphonate ligands: synthesis, structure and properties[J]. RSC ADVANCES,2016,6(102):100158-100166.
APA Hou, Xiaomin,&Tang, Si-Fu.(2016).Four new silver phosphonates constructed from semi-rigid phosphonate ligands: synthesis, structure and properties.RSC ADVANCES,6(102),100158-100166.
MLA Hou, Xiaomin,et al."Four new silver phosphonates constructed from semi-rigid phosphonate ligands: synthesis, structure and properties".RSC ADVANCES 6.102(2016):100158-100166.
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