2D and 3D metal-organic frameworks constructed with a mechanically rigidified [3]rotaxane ligand
A mechanically interlocked [3]rotaxane was newly designed, synthesized, and employed as a ligand for constructing metal-organic frameworks (MOFs). The nano-confinement by macrocycles forces the soft bis-isophthalate axle into a pseudo-rigid conformation and coordinates to zinc(II) ions, affording a two- or three-dimensional MOF under controlled conditions. The 2D MOF exhibits a neutral framework with a periodic puckering sheet structure, while an anionic framework with a pts topology was observed for the 3D MOF. The phase purity of both bulk materials was confirmed by powder X-ray diffraction. Thermogravimetric analysis reveals that both materials are stable up to 250 °C. The success of applying mechanical bonds to rigidify flexible ligands provides new insights for the design of metal-organic frameworks.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:58 |
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| Enthalten in: |
Chemical communications (Cambridge, England) - 58(2022), 39 vom: 12. Mai, Seite 5829-5832 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Xia [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 16.05.2022 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1039/d2cc01198k |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM339185759 |
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| 520 | |a A mechanically interlocked [3]rotaxane was newly designed, synthesized, and employed as a ligand for constructing metal-organic frameworks (MOFs). The nano-confinement by macrocycles forces the soft bis-isophthalate axle into a pseudo-rigid conformation and coordinates to zinc(II) ions, affording a two- or three-dimensional MOF under controlled conditions. The 2D MOF exhibits a neutral framework with a periodic puckering sheet structure, while an anionic framework with a pts topology was observed for the 3D MOF. The phase purity of both bulk materials was confirmed by powder X-ray diffraction. Thermogravimetric analysis reveals that both materials are stable up to 250 °C. The success of applying mechanical bonds to rigidify flexible ligands provides new insights for the design of metal-organic frameworks | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Xie, Jialin |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Zhenglin |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Ruiyang |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Jianhua |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Zhong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Kelong |e verfasserin |4 aut | |
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