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| Content Provider | frontiers |
|---|---|
| Author | Zhao, Ying Jing, Jin Yan, Ning Han, Min-Le Yang, Guo-Ping Ma, Lu-Fang |
| Abstract | Four new porous Cd(II)-based coordination polymers (CPs), namely [Cd(mdpt)2]•2H2O (1), [Cd2(mdpt)2(m-bdc)(H2O)2] (2), [Cd(Hmdpt)(p-bdc)]•2H2O (3) and [Cd3(mdpt)2(bpdc)2]•2.5NMP (4) have been synthesized successfully by the reactions of Cd(II) salts with a bitopic rigid 3-(3-methyl-2-pyridyl)-5-(4-pyridyl)-1,2,4-triazole (Hmdpt) and different benzendicarboxylate ligands, such as 1,3-benzenedicarboxylic acid (m-H2bdc), 1,4-benzenedicarboxylic acid (p-H2bdc) and biphenyl-4,4'-dicarboxylic acid (H2bpdc). Single-crystal X-ray diffraction analysis shows that complex 1 is a three-dimensional (3D) 2-fold interpenetrated 4-connected NbO framework based on mdpt- ligand; 2 reveals a 2D 3-connected hcb network. Interestingly, complex 3 presents a 3D rare interpenetrated double-insertion supramolecular net via 2D •••ABAB••• layers and can be viewed as a (4,6)-connected fsh net with the point symbol of (43.63)2(46.66.83); while complex 4 displays a 3D 8-connected sqc117 framework with the point symbol of (36.412.58.62). Gas sorption behaviors of 1 and 4 for N2, CH4 and CO2 have been studied in detail at different temperatures, indicating that complex 4 has the preferable sorption than 1 and can be the potential storage and separation material for CO2. In addition, the thermal and luminescent properties of 1–4 have also been studied in the solid state. |
| ISSN | 22962646 |
| DOI | 10.3389/fchem.2020.616468 |
| Volume Number | 8 |
| Journal | Frontiers in Chemistry |
| Language | English |
| Publisher Date | 2020-12-17 |
| Access Restriction | Open |
| Subject Keyword | Luminescent properties Coordination Polymers Structural variations Gas adsorption Topologies |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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