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Wytrych P, Utko J, Stefanski M, Kłak J, Lis T, John Ł. Synthesis, Crystal Structures, and Optical and Magnetic Properties of Samarium, Terbium, and Erbium Coordination Entities Containing Mono-Substituted Imine Silsesquioxane Ligands. Inorg Chem 2023; 62:2913-2923. [PMID: 36716237 PMCID: PMC9930112 DOI: 10.1021/acs.inorgchem.2c04371] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Mono-substituted cage-like silsesquioxanes of the T8-type can play the role of potential ligands in the coordination chemistry. In this paper, we report on imine derivatives as ligands for samarium, terbium, and erbium cations and discuss their efficient synthesis, crystal structures, and magnetic and optical properties. X-ray analysis of the lanthanide coordination entities [MCl3(POSS)3]·2THF [M = Er3+ (3), Tb3+ (4), Sm3+ (5)] showed that all three compounds crystallize in the same space group with similar lattice parameters. All compounds contain an octahedrally coordinated metal atom, and additionally, 3 and 5 structures are strictly isomorphous. However, surprisingly, there are two different molecules in the crystal structure of the terbium coordination entity 4, monomer (sof 65%) and dimer (sof 35%), with one and two metal centers. Absorption measurements of the investigated materials recorded at 300 K showed that regardless of the lanthanide involved, their energy band gap equals 2.7 eV. Moreover, the analogues containing Tb3+ and Sm3+ exhibit luminescence typical of these rare earth ions in the visible and infrared spectral range, while the compound with Er3+ does not generate any emission. Direct current variable-temperature magnetic susceptibility measurements on polycrystalline samples of 3-5 were performed between 1.8 and 300 K. The magnetic properties of 3 and 4 are dominated by the crystal field effect on the Er3+ and Tb3+ ions, respectively, hiding the magnetic influence between the magnetic cations of adjacent molecules. Complex 5 exhibits a nature typical for the paramagnetism of the samarium(III) cation.
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Affiliation(s)
- Patrycja Wytrych
- Faculty
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383Wrocław, Poland
| | - Józef Utko
- Faculty
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383Wrocław, Poland
| | - Mariusz Stefanski
- Institute
of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna, 50-422Wrocław, Poland
| | - Julia Kłak
- Faculty
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383Wrocław, Poland
| | - Tadeusz Lis
- Faculty
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383Wrocław, Poland
| | - Łukasz John
- Faculty
of Chemistry, University of Wrocław, 14 F. Joliot-Curie, 50-383Wrocław, Poland,
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Coban MB, Gungor E, Acar Y, Alpaslan FK, Subasat HK. Multifunctional Dy@PVP and Ho@PVP one-dimensional nanofibers: Electrospinning synthesis, luminescent and magnetic properties. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Dou L, Hu ZF, Feng LC, Dong WK. Differential study on the transition from a new polyhalogen-substituted unsymmetric salamo-based ligand to its Cu(II) and Co(II) complexes. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2124509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Lin Dou
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, PR China
| | - Zhi-Fei Hu
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, PR China
| | - Le-Chuan Feng
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, PR China
| | - Wen-Kui Dong
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, PR China
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Yu S, Hu HC, Liu D, Liang Y, Liang F, Yin B, Chen Z. Structural and magnetic studies of six-coordinated Schiff base Dy(III) complexes. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00356b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
With the aim to tune magnetic anisotropies of six-coordinated Dy(III) complexes, four bis-Schiff bases bearing different spacers and one mono-Schiff base were designed, which are bis(2-hydroxylnaphthalenylmethylene)hydrazine (H2L1), bis(2-hydroxylnaphthylmethylene)ethylenediamine (H2L2), bis(2-hydroxylnaphthylmethylene)-propylenediamine...
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Han XJ, Li RY, Yue YN, Zhang Y, Dong WK. Studying anion-dependent paradoxically fluorescent Cu(II) complexes bearing a pyridine-decorated tetradentate half-salamo-like ligand. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2021.120634] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Redox-active ligands: Recent advances towards their incorporation into coordination polymers and metal-organic frameworks. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213891] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Wang JF, Li RY, Li P, Dong WK. Exploring coordination behaviors, structural characterizations and theoretical calculations of structurally different Cu(II), Co(II) and Ni(II) emissive complexes constructed from a salamo-based ligand and 4,4′-bipy. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120247] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Xie F, Wang LL, Yang RX, Yu YM, Wang DZ, Zhang YX. Characterization, luminescent and magnetic analysis of five new lanthanide complexes based on carboxylate ligands. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1884856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Fei Xie
- Key Laboratory of Energy Materials Chemistry, Ministry of Education; Key Laboratory of Advanced Functional Materials, Autonomous Region; Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, P. R. China
| | - Lu-Lu Wang
- Key Laboratory of Energy Materials Chemistry, Ministry of Education; Key Laboratory of Advanced Functional Materials, Autonomous Region; Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, P. R. China
| | - Ru-Xia Yang
- Key Laboratory of Energy Materials Chemistry, Ministry of Education; Key Laboratory of Advanced Functional Materials, Autonomous Region; Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, P. R. China
| | - Yu-Ming Yu
- Key Laboratory of Energy Materials Chemistry, Ministry of Education; Key Laboratory of Advanced Functional Materials, Autonomous Region; Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, P. R. China
| | - Duo-Zhi Wang
- Key Laboratory of Energy Materials Chemistry, Ministry of Education; Key Laboratory of Advanced Functional Materials, Autonomous Region; Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi, Xinjiang, P. R. China
| | - Ya-Xin Zhang
- School of Chemical Engineering and Technology, Xinjiang University, Urumqi, P. R. China
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Wang JF, Xu X, Bian RN, Dong WK, Ding YJ. Investigation on structurally different Cu(II) and Ni(II) complexes constructed from a novel pyridine-terminal salamo-like ligand. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120095] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Zou X, Du C, Dong Y, Li G. Slow relaxation of two dimensional salen type lanthanide coordination polymer. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119455] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Bazhenova TA, Mironov VS, Yakushev IA, Svetogorov RD, Maximova OV, Manakin YV, Kornev AB, Vasiliev AN, Yagubskii EB. End-to-End Azido-Bridged Lanthanide Chain Complexes (Dy, Er, Gd, and Y) with a Pentadentate Schiff-Base [N 3O 2] Ligand: Synthesis, Structure, and Magnetism. Inorg Chem 2019; 59:563-578. [PMID: 31858796 DOI: 10.1021/acs.inorgchem.9b02825] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The syntheses, structure and magnetic properties are reported for five novel 1D polymeric azido-bridged lanthanide complexes with the general formula {[Ln(DAPMBH)(N3)C2H5OH]C2H5OH}n where H2DAPMBH = 2,6-diacetylpyridine bis(4-methoxybenzoylhydrazone)-a new pentadentate pyridine-base [N3O2] ligand and Ln = Dy (1), Y0.930Dy0.070 (2), Er (3), Y0.923Er0.077 (4), and Gd (5). X-ray diffraction analysis of 1-5 show that the central lanthanide atoms are eight-coordinated with the N5O3 donor set originating from the ligand DAPMBH, one coordinated ethanol molecule and two end-to-end type N3- bridges connecting the metal centers into infinite chain. The [LnN5O3] coordination polyhedron can be regarded as a distorted dodecahedron (D2d). AC magnetic measurements revealed that compounds 1-4 show field-induced single-molecule magnet behavior, with estimated energy barriers Ueff ≈ 47-17 K. The experimental study of magnetic properties was complemented by theoretical analysis based on crystal-field calculations. Direct current magnetic susceptibility studies revealed marginally weak intrachain exchange interaction between Ln3+ ions mediated by the end-to-end azide bridging groups (J ≈ -0.015 cm-1 for 5). Comparative analysis of static and dynamic magnetic properties of magnetically concentrated (1, 3) and diluted (2, 4) Dy and Er compounds showed that, despite fascinating 1D azido-bridged chain structure, compounds 1 and 3 are not single-chain magnets; their magnetic behavior is largely due to single-ion magnetic anisotropy of individual Ln3+ ions.
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Affiliation(s)
- Tamara A Bazhenova
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia
| | - Vladimir S Mironov
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia.,Shubnikov Institute of Crystallography of Federal Scientific Research Centre "Crystallography and Photonics" RAS , Moscow 119333 , Russia
| | - Ilya A Yakushev
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia.,Kurnakov Institute of General and Inorganic Chemistry IGIC RAS , Moscow 119991 , Russia.,National Research Center "Kurchatov Institute" , Moscow 123182 , Russia
| | | | - Olga V Maximova
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia.,Lomonosov Moscow State University , Moscow 119991 , Russia.,National University of Science and Technology "MISiS" , Moscow 119049 , Russia
| | - Yuriy V Manakin
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia
| | - Alexey B Kornev
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia
| | - Alexander N Vasiliev
- Lomonosov Moscow State University , Moscow 119991 , Russia.,National University of Science and Technology "MISiS" , Moscow 119049 , Russia.,National Research South Ural State University , Chelyabinsk 454080 , Russia
| | - Eduard B Yagubskii
- Institute of Problems of Chemical Physics IPCP RAS , Chernogolovka 142432 , Russia
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