Issue 29, 2020
From the journal:

CrystEngComm

Self-assembly of three-dimensional oxalate-bridged alkali(i)–lanthanide(iii) heterometal–organic frameworks†

Nutcha Ponjan,a   Filip Kielar,b   Winya Dungkaew,c   Kanokwan Kongpatpanich, ORCID logo d   Hikaru Zenno,e   Shinya Hayami, ORCID logo e   Mongkol Sukwattanasinittf  and  Kittipong Chainok ORCID logo *a  

* Corresponding authors

a Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications, Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand
E-mail: kc@tu.ac.th
Fax: +66 2 654 4548

b Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand

c Department of Chemistry, Faculty of Science, Mahasarakham University, Mahasarakham 43100, Thailand

d School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand

e Department of Chemistry, Graduate School of Science and Technology and Institute of Pulsed Power Science, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, 860-8555 Japan

f Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand

Abstract

Three isostructural three-dimensional (3D) oxalate bridged alkali(I)–lanthanide(III) heterometal–organic frameworks with the general formula [Ln8Na4(ox)10(μ3-OH)8]·MeOH·10H2O (Ln = Tb (1), Dy (2), Er (3)) have been assembled from the solvothermal reactions of oxalic acid (H2ox) with Ln(NO3)3 and Na2CO3. These compounds crystallize in the tetragonal I4/m space group and exhibit a 3D six-connected uninodal net of pcu alpha-Po primitive cubic type based on tetranuclear [Ln4(μ3-OH)4] cubane clusters. Among them, compound 1 exhibits a multifunctional luminescent probe property for the detection of acetone, toluene, and Fe3+ ions based on fluorescence quenching mechanisms. The magnetic investigations of 1–3 indicate antiferromagnetic coupling between the spin centers Ln3+ ions. In addition, 1 and 3 show negligible adsorption capacity for carbon dioxide.

Graphical abstract: Self-assembly of three-dimensional oxalate-bridged alkali(i)–lanthanide(iii) heterometal–organic frameworks

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Article information

DOI
https://doi.org/10.1039/D0CE00099J
Article type
Paper
Submitted
22 Jan 2020
Accepted
02 Jun 2020
First published
23 Jun 2020

CrystEngComm, 2020,22, 4833-4841

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Self-assembly of three-dimensional oxalate-bridged alkali(I)–lanthanide(III) heterometal–organic frameworks

N. Ponjan, F. Kielar, W. Dungkaew, K. Kongpatpanich, H. Zenno, S. Hayami, M. Sukwattanasinitt and K. Chainok, CrystEngComm, 2020, 22, 4833 DOI: 10.1039/D0CE00099J

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