Synthesis, structures, and magnetic properties of Fe4-Ln2 (Ln = Tb, Ho, and Er) clusters with N, N, N′, N′-tetrakis-(2-hydroxyethyl)ethylenediamine

被引：3

作者：

Akhtar, Muhammad Nadeem ^{[1
,2
]}

Mereacre, Valeriu ^{[1
]}

Novitchi, Ghenadie ^{[1
]}

AlDamen, Murad A. ^{[4
]}

Anson, Christopher E. ^{[1
]}

Powell, Annie K. ^{[1
,3
]}

机构：

[1] Inst Inorgan Chem, Karlsruhe Inst Technol, Engesserstrasse 15, D-76131 Karlsruhe, Germany

[2] Islamia Univ, Inst Chem, Div Inorgan Chem, Bahawalpur 63100, Pakistan

[3] Inst Nanotechnol, Karlsruhe Inst Technol, Hermann-von-Helmholtz-Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

[4] Univ Jordan, Sch Sci, Dept Chem, Amman 11942, Jordan

来源：

INORGANICA CHIMICA ACTA | 2022年 / 537卷

关键词：

Coordination clusters; 3d-4f complexes; Aminoalcohol; Crystal structure; Magnetic properties; CRYSTAL-STRUCTURE; COMPLEXES; TETRANUCLEAR; CORE; MAGNETOCHEMISTRY; ANISOTROPY; MOSSBAUER; FAMILY; GD; FE;

D O I：

10.1016/j.ica.2022.120920

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three isostructural heterometallic {Fe(4)(III)Ln(2)(III)} coordination clusters are reported with genernal formula; [Fe(4)(III)Ln(2)(III)(mu(4)-O)(2)(Hedte)(2)(piv)(6)(NO3)(2)]center dot 2MeCN center dot 2CH(2)Cl(2) {Ln= Tb(1), Ho(2) and Er(3), where Hedte= N,N,N, N '--tetrakis-(2-hydroxyethyl)ethylenediamine; piv = pivalic acid}. These clusters are obtained by reacting the FeCl2.4H(2)O, pivalic acid, Ln(NO3)(3).6H(2)O, and H4edte in MeCN/CH2Cl2. X-ray measurements revealed that 1-3 clusters exhibit a "butterfly" core shape. Solid-state dc-magnetic susceptibility measurement indicates the ferromagnetic interactions in 1 while 2 and 3 demonstrates dominated antiferromagnetic interactions.

引用

页数：4

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