Pentagonal Bipyramidal Ln(III) Complexes Containing an Axial Phosphine Oxide Ligand: Field-induced Single-ion Magnetism Behavior of the Dy(III) Analogues

被引：55
|
作者：
Kalita, Pankaj [1 ,5 ]
Ahmed, Naushad [1 ]
Bar, Arun Kumar [5 ]
Dey, Sourav [4 ]
Jana, Anukul [1 ]
Rajaraman, Gopalan [4 ]
Sutter, Jean-Pascal [3 ]
Chandrasekhar, Vadapalli [1 ,2 ]
机构：
[1] Tata Inst Fundamental Res Hyderabad, Hyderabad 500107, India
[2] IIT Kanpur, Dept Chem, Kanpur 208016, Uttar Pradesh, India
[3] Univ Toulouse, Lab Chim Coordinat CNRS, CNRS, Toulouse, France
[4] Indian Inst Technol, Dept Chem, Mumbai 400076, Maharashtra, India
[5] HBNI, Natl Inst Sci Educ & Res, Sch Chem Sci, Bhubaneswar 752050, Odisha, India
来源：
INORGANIC CHEMISTRY | 2020年 / 59卷 / 09期
关键词：
LANTHANIDE COMPLEXES; LUMINESCENT; DESIGN; ANISOTROPY; CATALYSTS; INSIGHT; SERIES;
D O I：
10.1021/acs.inorgchem.0c00751
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of neutral homologous complexes [(L)Ln(Cy3PO)Cl] {where Ln = Gd (1), Tb (2), Dy (3), and Er (5)} and [(L)Dy(Ph3PO)Cl] (4) [H2L = 2,6-diacetylpyridine bis-benzoylhydrazone] were isolated. In these complexes, the central lanthanide ion possesses a pentagonal bipyramidal geometry with an overall pseudo D-5h symmetry. The coordination environment around the lanthanide ion comprises of three nitrogen and two oxygen donors in an equatorial plane. The axial positions are taken up by a phosphine oxide (O donor) and a chloride ion. Among these compounds, the Dy(III) (3 and 4) analogues were found to be field-induced single-ion magnets.
引用
收藏
页码：6603 / 6612
页数：10
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