Syntheses, structures, and luminescence properties of four metal–organic polymers with undocumented topologies constructed from 3,5-bis((4′-carboxylbenzyl)oxy)benzoate ligand
Structural analysis revealed that complex1 exhibits an intriguing [Cd(COO)2]n tube-like chain based 3D framework with unprecedented 6-connected (48·67) topology. Complexes 2–4 show isomorphism and show new 3D (3,5)-connected frameworks with the point Schläfli symbol of (4·6·8)(4·64·85) based on the [M(COO)]n chain. Moreover, the photoluminescence properties of 1 and 2 have been investigated in the solid
Hierarchicallyporous materials play an important role in facilitating mass transport and improving efficiency of adsorption and separation processes. In this paper, a new strategy is proposed to realize a hierarchicallyporous metal‐organic framework ([Cu2(OH)(L)]·(DMF)0.8 (FJU‐11, H3L=3,5‐(4‐carboxybenzyloxy)benzoic acid, DMF=N,N‐dimethylformamide) via using semi‐rigid multi‐carboxylic acids. Interestingly
Syntheses, Structures, Luminescence Properties of Two Coordination Polymers Constructed by a Semirigid Aromatic Multicarboxylite Ligand
作者:Y. C. Sun、Q. Q. Wei、Q. X. Wang、J. S. Zhao
DOI:10.1134/s1070328422010067
日期:2022.1
Abstract Two new coordinationpolymers, namely [Zn3(bcpmba)2(Py)6]·2H2O}n (I) and [Cd(Hbcpmba)]· H2O}n (II) (H3bcpmba = 3,5-bi(4-carboxy-phenylene-methylene-oxy)-benzoic acid, Py = pyridine) have been synthesized under hydrothermal conditions. All the compounds are characterized using powder X-ray diffraction (CIF file. CCDC nos. 2051308 (I) and 2051312 (II)), IR spectra, thermal st-ability analysis
摘要 两种新型配位聚合物,即[Zn 3 (bCPmba) 2 (Py) 6 ]·2H 2 O} n ( I ) 和 [Cd(HbCPmba)]·H 2 O} n ( II ) (H 3 bCPmba = 3,5-双(4-羧基-亚苯基-亚甲基-氧基)-苯甲酸,Py = 吡啶)已在水热条件下合成。所有化合物均使用粉末 X 射线衍射(CIF 文件。CCDC 编号 2051308 ( I ) 和 2051312 ( II ))、IR 光谱、热稳定性分析和元素分析进行表征。化合物I和II都是二维多孔 CP。已经讨论了 bCPmba 3-阴离子和 N-供体配体对配位聚合物结构的影响。此外,还研究了它们的光致发光性质和热稳定性。
Two water-stable lanthanide metal–organic frameworks with oxygen-rich channels for fluorescence sensing of Fe(<scp>iii</scp>) ions in aqueous solution
display exceptional stability, not only being stable in both acidic and basic aqueous solutions (pH 3–11), but also maintaining good robustness in boiling water and after activation. Furthermore, the plentiful oxygen atoms in the oxygen-rich channels of FJU-13-Eu and FJU-13-Tb acted as Lewis base sites for sensing metal ions, exhibiting high sensitivity (Stern–Volmer constant, KSV = 2.03 × 104 M−1 for
Syntheses, Structures, and Properties of Two Coordination Complexes of a Flexible Ligand with Channel Structure
作者:Tian Shi、Ya-Guang Chen
DOI:10.1002/zaac.201700053
日期:2017.5.18
frameworks with different shapes (rhombus / square) and sizes of channels resulting from the trans/cis‐configurations and coordination modes (μ8‐η1:η1:η1:η2:η1:η2 for 1 and μ6‐η1:η1:η1:η1:η1:η1 for 2) of the flexible ligand and the property of transition metal ions. In addition, photoluminescence spectra of 1 and 2 were also discussed. In 2 there exists antiferromagnetic interaction showing that μ4‐O atom in