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

页码：6603 / 6612

页数：10

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