Crystal structure and cryomagnetic study of a mononuclear erbium(III) oxamate inclusion complex

被引：3
|
作者：
Araujo Junior, Cleber R. [1 ]
Oliveira, Willian X. C. [1 ]
Pinheiro, Carlos B. [2 ]
Pedroso, Emerson F. [3 ]
Nunes, Wallace C. [3 ]
de Almeida, Adriele A. [4 ]
Knobel, Marcelo [4 ]
Julve, Miguel [5 ]
Pereira, Cynthia L. M. [1 ]
机构：
[1] Univ Fed Minas Gerais, Dept Quim, Av Antonio Carlos 6627, BR-31270901 Belo Horizonte, MG, Brazil
[2] Univ Fed Minas Gerais, Dept Fis, Av Antonio Carlos 6627, BR-31270901 Belo Horizonte, MG, Brazil
[3] Univ Fed Fluminense, Inst Fis, BR-24210346 Niteroi, RJ, Brazil
[4] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Campinas, SP, Brazil
[5] Univ Valencia, Inst Ciencia Mol ICMol, Dept Quim Inorgan, Valencia 46980, Spain
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2024年 / 80卷
关键词：
erbium(III); oxamate; crystal structure; magnetic properties; single-ion magnet; spin qubit candidate; cryomagnetic; SIM; LIGAND;
D O I：
10.1107/S2053229624005977
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The synthesis, crystal structure and magnetic properties of an oxamate-containing erbium(III) complex, namely, tetrabutylammonium aqua[N-(2,4,6-trimethylphenyl)oxamato]erbium(III)-dimethyl sulfoxide-water (1/3/1.5), (C16H36N)-[Er(C11H12NO3)(4)(H2O)]center dot 3C(2)H(6)OS center dot 1.5H(2)O or n-Bu4N-[Er(Htmpa)(4)(H2O)]center dot-3DMSO center dot 1.5H(2)O (1), are reported. The crystal structure of 1 reveals the occurrence of an erbium(III) ion, which is surrounded by four N-phenyl-substituted oxamate ligands and one water molecule in a nine-coordinated environment, together with one tetrabutylammonium cation acting as a counterion, and one water and three dimethyl sulfoxide (DMSO) molecules of crystallization. Variable-temperature static (dc) and dynamic (ac) magnetic measurements were carried out for this mononuclear complex, revealing that it behaves as a field-induced single-ion magnet (SIM) below 5.0 K.
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页码：349 / +
页数：19
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