功能亚硝基桥接的两种新型钴（II）杂三pin二聚体的结构和磁性

IF 0.9 4区材料科学

Science of Advanced Materials Pub Date : 2023-06-01 DOI:10.1166/sam.2023.4492

Jin-Ke Ma, J. Chen, You-Juan Zhang, Qing-Lun Wang

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引用次数: 1

摘要

两个二聚体Co（II）-硝基氮氧化物（Nitro）化合物，[Co（hfac）2（NITmPh3Py）]21和[Co（hfac）2）（NIToPh3Py＝2-[3-甲氧基苯基（3-吡啶基）]-4,4,5,5-四甲基咪唑啉-1-氧基-3-氧化物；NIToPy3Ph=2-[2-甲氧基苯基（3-吡啶基）]-4,4,5,5-四甲基咪唑啉-1-氧基-3-氧化物；hfac＝六氟乙酰丙酮）的制备和表征。化合物1在正交空间群Pbcn中结晶；化合物2属于单斜空间群P21/c。磁化率研究表明，在1和2中，Co（II）离子与硝基自由基之间存在反铁磁相互作用。

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Two New Cobalt(II) Heterotrispin Dimers Bridged by Functional Nitronyl Nitroxides: Structure and Magnetic Properties

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.

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来源期刊

Science of Advanced Materials NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

自引率

11.10%

发文量

审稿时长

4.4 months