Mononuclear Dysprosium Thiocyanate Complexes with 2,2′-Bipyridine and 1,10-Phenanthroline: Synthesis, Crystal Structures, SIM Behavior, and Solid-Phase Transformations

被引:20
作者
Petrosyants, Svetlana P. [1 ]
Dobrokhotova, Zhanna V. [1 ]
Ilyukhin, Andrey B. [1 ]
Efimov, Nikolay N. [1 ]
Gavrikov, Andrey V. [1 ]
Vasilyev, Pavel N. [1 ]
Novotortsev, Vladimir M. [1 ]
机构
[1] Russian Acad Sci, NS Kurnakov Inst Gen & Inorgan Chem, Leninsky Prosp 31, Moscow 119991, Russia
基金
俄罗斯科学基金会;
关键词
Dysprosium; Thiocyanates; Single-molecule studies; Magnetic properties; Solid-state reactions; SINGLE-MOLECULE MAGNETS; LANTHANIDE(III) COMPLEXES; RATIONAL DESIGN; LIGANDS; CLUSTER; FAMILY; LIGHT;
D O I
10.1002/ejic.201700537
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Five new dysprosium complexes were synthesized and characterized: neutral Dy(NCS)(3)center dot 6(H2O)(1), [Dy(NCS)(3)(H2O)(bpy)(2)]center dot 0.5(bpy)center dot H2O (2), and [Dy(NCS)(3)(H2O)(phen)(2)]center dot phen center dot 0.5H(2)O (3), as well as ionic [Hbpy][Dy(NCS)(4)(bpy)(2)]center dot H2O (4) and [Hphen][Dy(NCS)(4)(phen)(2)] (5). In all complexes, the metal coordination number (CN) is 8. All complexes exhibit single-ion magnet behavior. The influence of the structural features on Delta E/k(B) values is discussed. The thermal behavior of the new compounds was studied under an inert atmosphere in the temperature range of 30-550 degrees C. The thermal stability of the complexes is determined by the presence of solvate molecules.
引用
收藏
页码:3561 / 3569
页数:9
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