New examples of triangular terbium(iii) and holmium(iii) and hexagonal dysprosium(iii) single molecule toroics

被引：23

作者：

Langley, Stuart K. ^{[1
]}

Vignesh, Kuduva R. ^{[2
]}

Gupta, Tulika ^{[2
]}

Gartshore, Christopher J. ^{[3
]}

Rajaraman, Gopatan ^{[2
]}

Forsyth, Craig M. ^{[3
]}

Murray, Keith S. ^{[3
]}

机构：

[1] Manchester Metropolitan Univ, Sch Sci & Environm, Div Chem, Manchester M15 6BH, Lancs, England

[2] Indian Inst Technol, Dept Chem, Mumbai 400076, Maharashtra, India

[3] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia

来源：

DALTON TRANSACTIONS | 2019年 / 48卷 / 41期

基金：

澳大利亚研究理事会;

关键词：

LIGAND REPLACEMENT; MAGNETIC-MOMENTS; GROUND-STATE; COMPLEXES; RELAXATION; ANISOTROPY; MECHANISM; TRIANGLES; FAMILY; DY;

D O I：

10.1039/c9dt02419k

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structural, magnetic and theoretical aspects are described for three triangular lanthanide complexes, [TbIII3(OH)(teaH(2))(3)(paa)(3)]Cl-2 (1), [DyIII3(OH)(teaH(2))(3)(paa)(3)]Cl-2 (2) and [HoIII3(OH)(teaH(2))(3)(paa)(3)]Cl-2 (3), and a hexanuclear wheel of formula [DyIII6(pdeaH)(6)(NO3)(6)] (4) [teaH(3) = triethanolamine, paaH = N-(2-pyridyl)-acetoacetamide and pdeaH(3) = 3-[bis(2-hydroxyethyl)amino]propan-1-ol]. Each complex displays single molecule toroidal behaviour as rationalised using high-level ab initio calculations. Complexes 2 and 3 are the first examples of mixed moment single molecule toroidal complexes featuring non-Kramers ions.

引用

页码：15657 / 15667

页数：11

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