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Crystal structures and photophysical properties of mono- and dinuclear ZnII complexes flanked by triethylammonium

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Τίτλος: Crystal structures and photophysical properties of mono- and dinuclear ZnII complexes flanked by triethylammonium
Συγγραφείς: Hai, Le Thi Hong, Hien, Nguyen, Duong, Trinh Hong, Ninh, Nguyen Hoang, Khanh, Nguyen Nhat, Van Meervelt, Luc
Πηγή: Acta Crystallogr E Crystallogr Commun
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 11, Pp 1210-1216 (2024)
Στοιχεία εκδότη: International Union of Crystallography (IUCr), 2024.
Έτος έκδοσης: 2024
Θεματικοί όροι: crystal structure, Science & Technology, Crystallography, OLEDS, 8-hy­droxy­quinoline derivatives, Zn(II) complex, zn(ii) complex, 34 Chemical sciences, SCHIFF-BASE, schiff base, Research Communications, ZN(II) COMPLEXES, Schiff base, BLUE, QD901-999, Physical Sciences, 8-HYDROXYQUINOLINE, 8-hydroxyquinoline derivatives, ZINC-COMPLEXES
Περιγραφή: Two new zinc(II) complexes, triethylammonium dichlorido[2-(4-nitrophenyl)-4-phenylquinolin-8-olato]zinc(II), (C6H16N){Zn(C21H13N2O3)Cl2] (ZnOQ), and bis(triethylammonium) {2,2′-[1,4-phenylenebis(nitrilomethylidyne)]diphenolato}bis[dichloridozinc(II)], (C6H16N)2[Zn2(C20H14N2O2)Cl4] (ZnBS), were synthesized and their structures were determined using ESI–MS spectrometry, 1H NMR spectroscopy, and single-crystal X-ray diffraction. The results showed that the ligands 2-(4-nitrophenyl)-4-phenylquinolin-8-ol (HOQ) and N,N′-bis(2-hydroxybenzylidene)benzene-1,4-diamine (H2BS) were deprotonated by triethyl-amine, forming the counter-ion Et3NH+, which interacts via an N—H...O hydrogen bond with the ligand. The ZnII atoms have a distorted trigonal–pyramidal (ZnOQ) and distorted tetrahedral (ZnBS) geometries with a coordination number of four, coordinating with the ligands via N and O atoms. The N atoms coordinating with ZnII correspond to the heterocyclic nitrogen for the HOQ ligand, while for the H2BS ligand, it is the nitrogen of the imine (CH=N). The crystal packing of ZnOQ is characterized by C—H...π interactions, while that of ZnBS by C—H...Cl interactions. The emission spectra showed that ZnBS complex exhibits green fluorescence in the solid state with a small band-gap energy, and the ZnOQ complex does exhibit non-fluorescence.
Τύπος εγγράφου: Article
Other literature type
ISSN: 2056-9890
DOI: 10.1107/s2056989024010302
Σύνδεσμος πρόσβασης: https://pubmed.ncbi.nlm.nih.gov/39712172
https://doaj.org/article/8876af9deadb41cfb43591ab59d5a438
https://lirias.kuleuven.be/handle/20.500.12942/759573
https://doi.org/10.1107/s2056989024010302
Rights: CC BY
URL: http://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Αριθμός Καταχώρησης: edsair.doi.dedup.....582bcad7a8b53ad448b226d7fa66829a
Βάση Δεδομένων: OpenAIRE
Περιγραφή
ISSN:20569890
DOI:10.1107/s2056989024010302