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

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Pentagonal Bipyramidal Ln(III) Complexes Containing an Axial Phosphine Oxide Ligand: Field-induced Single-ion Magnetism Behavior of the Dy(III) Analogues.
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-04-20 , DOI: 10.1021/acs.inorgchem.0c00751
Pankaj Kalita _{1,

2} , Naushad Ahmed ₂ , Arun Kumar Bar ₁ , Sourav Dey ₃ , Anukul Jana ₂ , Gopalan Rajaraman ₃ , Jean-Pascal Sutter ₄ , Vadapalli Chandrasekhar _{2,

5}

Affiliation

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 D5h 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.

中文翻译：

包含轴向氧化膦配体的五角双锥体Ln（III）配合物：Dy（III）类似物的场诱导单离子磁性行为。

一系列中性同源复合物[（L）Ln（Cy3PO）Cl] {其中Ln = Gd（1），Tb（2），Dy（3）和Er（5）}和[（L）Dy（Ph3PO） Cl]（4）[H 2 L ＝ 2，6-二乙酰基吡啶双-苯甲酰基hydr]被分离。在这些络合物中，中心镧系元素离子具有五角双锥体几何结构，整体呈伪D5h对称性。镧系元素离子周围的配位环境在赤道平面内包含三个氮和两个氧供体。轴向位置由氧化膦（O供体）和氯离子占据。在这些化合物中，发现Dy（III）（3和4）类似物是磁场感应的单离子磁体。

更新日期：2020-04-20

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