A capped trigonal prismatic cobalt(II) complex as a structural archetype for single-ion magnets

被引:38
作者
Yi, Gangji [1 ]
Cui, Huihui [2 ]
Zhang, Chunyang [1 ]
Zhao, Wen [1 ]
Chen, Lei [1 ]
Zhang, Yi-Quan [3 ]
Chen, Xue-Tai [2 ]
Song, You [2 ]
Yuan, Aihua [1 ]
机构
[1] Jiangsu Univ Sci & Technol, Sch Environm & Chem Engn, Zhenjiang 212003, Jiangsu, Peoples R China
[2] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
[3] Nanjing Normal Univ, Sch Phys Sci & Technol, Jiangsu Key Lab NSLSCS, Nanjing 210023, Peoples R China
基金
中国博士后科学基金;
关键词
ZERO-FIELD; ELECTRONIC-STRUCTURE; MONONUCLEAR FE(III); MOLECULE MAGNET; RELAXATION; ANISOTROPY; BEHAVIOR; BLOCKING; DYSPROSIUM(III); MAGNETIZATION;
D O I
10.1039/c9dt04881b
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two mononuclear, seven-coordinate Co(ii) and Fe(ii) complexes [Co-II(BPA-TPA)](BF4)(2) (1-Co) and [Fe-II(BPA-TPA)](ClO4)(2) (2-Fe) with a capped trigonal prismatic coordination geometry have been synthesized from the pentapyridyldiamine (BPA-TPA) ligand. 1-Co exhibits easy plane anisotropy in which slow magnetic relaxation is observed under a 1.0 kOe dc field. It is the first example of a single-ion magnet (SIM) of a 3d transition metal ion with a capped trigonal prismatic configuration. 2-Fe is not a SIM at 1.8 K.
引用
收藏
页码:2063 / 2067
页数:5
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