DOI: 10.1166/sam.2023.4492 ISSN:
Two New Cobalt(II) Heterotrispin Dimers Bridged by Functional Nitronyl Nitroxides: Structure and Magnetic Properties
Jin-Ke Ma, Jing Chen, You-Juan Zhang, Qing-Lun Wang- General Materials Science
Two dimers Co(II)-nitronyl nitroxide (NITR) compounds, [Co(hfac)2(NITmPh3Py)]2 1 and [Co(hfac)2(NIToPh3Py)]2 2 (NITmPh3Py = 2-[3-methoxyphenyl(3-pyridinyl)]-4,4,5,5-tetramethyl imidazoline-1-oxyl-3-oxide; NIToPy3Ph = 2-[2-methoxyphenyl(3-pyridinyl)]-4,4,5,5-tetramethyl imidazoline-1-oxyl-3-oxide; hfac = hexaflfluoroacetylacetonate) have been prepared and characterized. Compound 1 crystallizes in orthorhombi space group Pbcn; compound 2 is in monoclinic space group P21/c. The magnetic susceptibility studies show antiferromagnetic interactions between Co(II) ion and NITR radical in 1 and 2.