Assisted Self-Assembly to Target Heterometallic Mn-Nd and Mn-Sm SMMs: Synthesis and Magnetic Characterisation of [Mn7Ln3(O)4(OH)4(mdea)3(piv)9(NO3)3] (Ln=Nd, Sm, Eu, Gd)**,Chemistry - A European Journal

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Assisted Self-Assembly to Target Heterometallic Mn-Nd and Mn-Sm SMMs: Synthesis and Magnetic Characterisation of [Mn7Ln3(O)4(OH)4(mdea)3(piv)9(NO3)3] (Ln=Nd, Sm, Eu, Gd)**
Chemistry - A European Journal ( IF 4.3 ) Pub Date : 2021-09-23 , DOI: 10.1002/chem.202102912
Hagen Kaemmerer _{1,

2} , Valeriu Mereacre ₁ , Ayuk M Ako ₁ , Samir Mameri ₃ , Christopher E Anson ₁ , Rodolphe Clérac ₄ , Annie K Powell _{1,

2,

5}

Affiliation

Assisted self-assembly by using a preformed [Mn₆O₂(piv)₁₀(4-Me-py)₂(pivH)₂] (1) (pivH=pivalic acid) cluster leads to 3 different outcomes of the reaction with Ln(NO₃)₃ ⋅ xH₂O (Ln=Pr−Ho and Y): Mn₇Ln₃ and in some cases the inverse butterfly Mn₂Ln₂ for Ln=Pr−Eu, Mn₅Ln₄ for Ln=Tb-Ho and in the special case of Gd all three possibilities can form. Whilst the magnetic properties for the Mn₅Ln₄ systems show the expected known SMM properties, for Mn₇Ln₃ two new examples of Nd- and Sm-containing SMMs have been discovered.

中文翻译：

辅助自组装目标杂金属 Mn-Nd 和 Mn-Sm SMM：[Mn7Ln3(O)4(OH)4(mdea)3(piv)9(NO3)3] (Ln=Nd, Sm) 的合成和磁性表征, Eu, Gd)**

通过使用预先形成的 [Mn ₆ O ₂ (piv) ₁₀ (4-Me-py) ₂ (pivH) ₂ ] ( 1 ) (pivH=新戊酸) 簇辅助自组装导致与 Ln 反应的 3 种不同结果(NO ₃ ) ₃ ⋅ x H ₂ O (Ln=Pr−Ho 和 Y)：Mn ₇ Ln ₃和在某些情况下，Ln=Pr−Eu的逆蝶形 Mn ₂ Ln ₂，Ln=Tb 的Mn ₅ Ln ₄ -Ho 并且在 Gd 的特殊情况下，所有三种可能性都可以形成。虽然 Mn ₅ Ln的磁性_{图 4}系统显示了预期的已知 SMM 特性，对于 Mn ₇ Ln ₃已经发现了含 Nd 和 Sm 的 SMM 的两个新实例。

更新日期：2021-11-03

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