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A new mixed-valence CuI/CuII three-dimensional coordination polymer constructed with an N,O-donor ligand generated via solvothermal synthesis: structural features and magnetic properties.
Autorzy
Rok wydania
2022
Czasopismo
Acta Crystallographica Section C: Structural Chemistry
Numer woluminu
C78
Strony
405-413
DOI
10.1107/s2053229622005812
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A new mixed-valence CuI/CuII three-dimensional coordination polymer, poly[[diaquabis[μ4-2-(pyrazin-2-yl)quinoline-4-carboxylato]dicopper(I)copper(II)] bis(tetrafluoridoborate)], {[Cu3(C14H8N3O2)2(H2O)2](BF4)2}n, was synthesized and characterized, with 2-(pyrazin-2-yl)quinoline-4-carboxylic acid being employed as a linker ligand. The ligand was isolated as its hydrochloride salt, 4-carboxy-2-(pyrazin-2-yl)quinolin-1-ium chloride dihydrate, C14H10N3O2+·Cl−·2H2O. The compounds show luminescence at 550 nm for the ligand and at 565 nm for the polymer at 297 K. The ligand structure was rationalized by means of quantum-chemical calculations, which led to a similar conformation to that determined from X-ray diffraction studies.
Słowa kluczowe
quinolinecarboxylic acid, quinolinium chloride, photoluminescence, magnetic properties, coordination polymer, crystal structure, quantum–chemical calculations.
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