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Abstract:
The hydrothermal reactions of divalent metal salts with 4-HOOC–C6H4–CH2–NH2CH2PO3H2 (H3L) led to four Metal-organic phosphonates (MOPs), namely, Ni(HL)(H2O)2 (1), Cd(HL) (2), CdCl(H2L) (3), and Pb1.5Cl2(H2L) (4). All these compounds exhibited 2D layer substructures with various features based on metal centers and –PO3 groups of the ligands. Differently, the layers cross-linked each other in compounds 1 and 4 via hydrogen bonds generating 3D supramolecular frameworks. While in compounds 2 and 3, they were connected by carboxylate group of the ligands to form 3D pillared-layer frameworks. Such differences were related to the coordination mode of the metal centers, and the pH of the reaction system also played a important role on the coordination ability of the ligands. The magnetic properties reveal the presence of ferromagnetic interactions in compound 1 through a Ni–O–P–O–Ni five-member chain. Luminescent measurements indicate that compounds 2–4 each displays strong blue fluorescent emissions. © 2020 Elsevier Inc.
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Journal of Solid State Chemistry
ISSN: 0022-4596
Year: 2020
Volume: 287
3 . 4 9 8
JCR@2020
3 . 2 0 0
JCR@2023
ESI HC Threshold:160
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
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30 Days PV: 0
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