Supramolecular metal–organic frameworks based on neutral and cationic copper(II) α-hydroxycarboxylate complexes with 2,2′-dipyridylamine

New five cationic and neutral discrete copper(II) α-hydroxycarboxylate complexes with 2,2′-dipyridylamine were isolated. Four of these compounds have been studied by single-crystal X-ray diffraction and also we analyzed their intermolecular interactions by Hirshfeld surfaces. [Display omitted] The r...

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Bibliographic Details
Published in:Polyhedron 2018-11, Vol.154, p.398-406
Main Authors: Carballo, Rosa, Covelo, Berta, Gómez-Paz, Olaya, Lago, Ana Belén, Vázquez-López, Ezequiel M.
Format: Article
Language:English
Subjects:
Copper(II) complexes
H-bonding pattern
Hirshfeld surfaces
X-ray diffraction
α-Hydroxy acids
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Summary:New five cationic and neutral discrete copper(II) α-hydroxycarboxylate complexes with 2,2′-dipyridylamine were isolated. Four of these compounds have been studied by single-crystal X-ray diffraction and also we analyzed their intermolecular interactions by Hirshfeld surfaces. [Display omitted] The reaction of CuCO3·Cu(OH)₂ with three different α-hydroxyacids (H2L′) and the nitrogen donor coligand 2,2′-dipyridylamine (dipyam) has produced five new discrete copper(II) complexes. Two kind of compounds have been isolated: neutral complexes of formula [Cu(H2L′)2(dipyam)] and cationic [Cu(H2L′)(dipyam)2](H2L′) complexes. Four of these compounds have been studied by single-crystal X-ray diffraction and the analysis of their molecular crystal structures were also performed by the analysis of their Hirshfeld surfaces. The thermal behaviour has also been investigated.
ISSN:0277-5387
DOI:10.1016/j.poly.2018.07.056