期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 75, 期 11-14, 页码 1679-1690出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2022.2118053
关键词
Nonsymmetrical salamo-based ligand; coordination polymer; design and structural characterization; luminescence; intermolecular interaction
资金
- Science and Technology Program of Gansu Province [21YF5GA057]
- National Natural Science Foundation of China [21761018, 22171135]
- Young and Middle-aged Academic Leader of Jiangsu Provincial Blue Project - Innovative Research Team Program by the Ministry of Education of China
In this study, two new coordination polymers were synthesized and characterized. The structures and properties of the polymers were investigated, revealing interesting supramolecular structures and potential applications in light emitting devices.
Two new coordination polymers (CPs), [Zn(HL)(2)(bipy)](n)center dot 2nCH(3)OH (Zn(II)-CP) and [Cd(HL)(2)(bipy)](n) (Cd(II)-CP), were synthesized from a nonsymmetric salamo-based ligand, 4-chloro-4 '-bromo-6-bromo-6 '-tert-butyl-2,2 '-[ethylenedioxybis(nitrilomethylidyne)]diphenol (H2L). Single crystal X-ray diffraction analysis showed that both Zn(II) and Cd(II) coordinate with the two semi-deprotonated ligands (HL)(-) and two 4,4 '-bipyridine (bipy) auxiliary ligands, yielding slightly twisted octahedral configurations. The two one-dimensional (1-D) chain polymers are further connected by hydrogen bonds (H-bonds) to form interesting 3-D supramolecular structures. These intermolecular interactions and molecular stability were investigated by Hirshfeld surface analyses and Density Functional Theory (DFT) calculations. Luminescent studies show that these two CPs have potential application as light emitting devices.
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