The copper derivative [Cu4(oba)4(H2O)4]∙H2On(1) has been hydro(solvo)thermally synthesized by combining flexible 4,4′-oxybis benzoic acid (oba) and divalent copper nitrate. As a result of the potential coordination modes of carboxylate oxygens from the oba ligand, the aforementioned complex leads to the formation of an interesting 3D framework, as evidenced by single-crystal X-ray diffractometry. Concerning the topology in 1, the dimers [Cu2C4O8] are nodes of a 5-fold 4-connected uninodal net of the type lvt, with point symbol 42.84 and vertex symbol [4.4.84.84.88.88]. The encapsulation of the copper coordination polymer displays a moderate luminescent property. On temperature-dependent magnetic study, it reveals that the magnetic behaviour of 1 can be associated to a strong antiferromagnetic coupling between the two Cu(II) ions.

A new Cu(II) three-dimensional network with 4,4′-oxybis benzoic acid: structural diversity, EPR, and magnetism / Datta, Amitabha; Das, Kuheli; Mane, Sandeep B.; Garribba, Eugenio. - In: STRUCTURAL CHEMISTRY. - ISSN 1040-0400. - 29:2(2018), pp. 553-561. [10.1007/s11224-017-1052-6]

A new Cu(II) three-dimensional network with 4,4′-oxybis benzoic acid: structural diversity, EPR, and magnetism

Garribba, Eugenio
2018-01-01

Abstract

The copper derivative [Cu4(oba)4(H2O)4]∙H2On(1) has been hydro(solvo)thermally synthesized by combining flexible 4,4′-oxybis benzoic acid (oba) and divalent copper nitrate. As a result of the potential coordination modes of carboxylate oxygens from the oba ligand, the aforementioned complex leads to the formation of an interesting 3D framework, as evidenced by single-crystal X-ray diffractometry. Concerning the topology in 1, the dimers [Cu2C4O8] are nodes of a 5-fold 4-connected uninodal net of the type lvt, with point symbol 42.84 and vertex symbol [4.4.84.84.88.88]. The encapsulation of the copper coordination polymer displays a moderate luminescent property. On temperature-dependent magnetic study, it reveals that the magnetic behaviour of 1 can be associated to a strong antiferromagnetic coupling between the two Cu(II) ions.
2018
A new Cu(II) three-dimensional network with 4,4′-oxybis benzoic acid: structural diversity, EPR, and magnetism / Datta, Amitabha; Das, Kuheli; Mane, Sandeep B.; Garribba, Eugenio. - In: STRUCTURAL CHEMISTRY. - ISSN 1040-0400. - 29:2(2018), pp. 553-561. [10.1007/s11224-017-1052-6]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11388/210741
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