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Cobalt, nickel and copper complexes with glycinamide: structural insights and magnetic properties

Vušak, Darko; Smrečki, Neven; Prugovečki, Biserka; Đilović, Ivica; Kirasić, Inka; Žilić, Dijana; Muratović, Senada; Matković-Čalogović, Dubravka (2019) Cobalt, nickel and copper complexes with glycinamide: structural insights and magnetic properties. RSC Advances, 9 (38). pp. 21637-21645. ISSN 2046-2069

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Ten new compounds of Co, Ni and Cu with glycinamide (HL = glycinamide): [Co(H2O)2(HL)2]Cl2 (1a), [Co(H2O)2(HL)2]Br1.06Cl0.94 (1b), [Co(H2O)2(HL)2]I2 (1c), [Ni(H2O)2(HL)2]Cl2 (2a), [Ni(H2O)2(HL)2]Br0.94Cl1.06 (2b), [Ni(H2O)2(HL)2]I2 (low and room temperature polymorph, 2cLT and 2cRT), [CuCl2(HL)2] (3a), [CuBr1.3Cl0.7(HL)2] (3b) and {;[Cu(HL)2]2[Cu2I6]};n (3c), as well as glycinamide hydroiodide (H2LI) and a new polymorph of glycinamide hydrochloride (β- H2LCl) were prepared and characterized by single-crystal X-ray diffraction, infrared spectroscopy, thermal analysis (TG/DTA) and ESR spectroscopy. 1a, 1b, 2a and 2b are isostructural, as well as 1c and 2cRT, while the Cu compounds (3a–c) have entirely different molecular structures. All investigated compounds are mononuclear with exception of the 1D coordination polymer 3c. Compound 3c contains copper ions in the mixed oxidation state Cu(I) and Cu(II) with interesting magnetic properties. Paramagnetic behaviour was found in 1a, 1b, 3a and 3b. Temperature induced polymorphic transformation was observed in 2c. Compounds 1a and 3a showed moderate antiproliferative activity and selectivity toward the human breast tumor cell line MCF-7.

Item Type: Article
Uncontrolled Keywords: glycinamide ; metal complexes ; coordination polymer ; crystal structures ; magnetic properties ; ESR
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Physical Chemistry
Project titleProject leaderProject codeProject type
Studija važnosti spinskih međudjelovanja kao osnova za nove pristupe u istraživanju materijala-SPESMarina Ilakovac KvederIP-2018-01-3168HRZZ
Esencijalni metalni ioni u proteinima iz Heliobacter pylori i modelnim spojevima-struktura u funkcija/svojstvo-ProtModStructDubravka Matković-ČalogovićIP-2014-09-4274HRZZ
Depositing User: Dijana Žilić
Date Deposited: 02 Aug 2019 12:12
DOI: 10.1039/C9RA03693H

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