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Differentiable Formation of Chiroptical Lanthanide Heterometallic Ln_nLn’_4-n(L₆) (n=0–4) Tetrahedra with C₂-Symmetrical Bis(tridentate) Ligands

Lookup NU author(s): Professor Mike ProbertORCiD

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Abstract

© 2022 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH.Construction of lanthanide heterometallic complex is important for engineering multifunction molecular containers. However, it remains a challenge because of the similar ionic radii of lanthanides. Herein we attempt to prepare chiral lanthanide heterometallic tetrahedra. Upon crystallization with a mixture of [Eu2L3] and [Ln2L3] (Ln=Gd, Tb and Dy) helicates, a mixture of heterometallic EunLn’4-n(L6) (n=0–4) tetrahedra was prepared. Selective formation of heterometallic tetrahedron was observed as MS deconvolution results deviated from statistical results. The formation of heterometallic tetrahedron was found to be sensitive to ionic radii as well as the ratio of the two helicates used in the crystallization.

Publication metadata

Author(s): Yim K-H, Yeung C-T, Wong MY-M, Probert MR, Law G-L

Publication type: Article

Publication status: Published

Journal: Chemistry - A European Journal

Year: 2022

Volume: 28

Issue: 56

Print publication date: 07/10/2022

Online publication date: 01/07/2022

Acceptance date: 02/04/2018

Date deposited: 15/06/2023

ISSN (print): 0947-6539

ISSN (electronic): 1521-3765

Publisher: John Wiley and Sons Inc

URL: https://doi.org/10.1002/chem.202201655

DOI: 10.1002/chem.202201655

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