2D lanthanide–organic frameworks constructed from lanthanide acetate skeletons and benzotriazole-5-carboxylic acid connectors: synthesis, structure, luminescence and magnetic properties

Zhao-Hao Li; Li-Ping Xue; Bang-Tun Zhao; Jian Kan; Wei-Ping Su

doi:10.1039/C2CE25927C

2D lanthanide–organic frameworks constructed from lanthanide acetate skeletons and benzotriazole-5-carboxylic acid connectors: synthesis, structure, luminescence and magnetic properties†

Zhao-Hao Li,^a Li-Ping Xue,*^a Bang-Tun Zhao,^a Jian Kan^b and Wei-Ping Su*^b

* Corresponding authors

^a College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan, P. R. China
E-mail: lpxue@lynu.edu.cn

^b State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian, P. R. China
E-mail: wpsu@fjirsm.ac.cn

Abstract

Five new two-dimensional (2D) lanthanide–organic frameworks with formula [Ln(Hbtca)₂(OAc)(H₂O)]_n (Ln = Sm 1, Eu 2, Gd 3, Tb 4, Er 5; H₂btca = benzotriazole-5-carboxylic acid) have been synthesized by the solvothermal reactions of H₂btca and corresponding lanthanide nitrate. X-ray diffraction analysis reveals that these complexes are isostructural and each exhibits a 2D square-grid-type network constructed via Ln₂(μ-CH₃COO)₂ dinuclear secondary building units (SBUs), in which Hbtca⁻ anions adopt two different resonance structures. The 2D networks are further linked by hydrogen-bonding to form a three-dimensional supramolecular network. Compounds 2 and 4 exhibit strong luminescence emission in the visible region. Magnetic susceptibility of 3 reveals weak antiferromagnetic interactions between the Gd(III) ions. Furthermore, infrared (IR), thermogravimetric analysis (TGA), elemental analyses (EA), and powder X-ray diffraction (PXRD) properties of these compounds are also investigated.

Supplementary files

Article information

DOI: https://doi.org/10.1039/C2CE25927C
Article type: Paper
Submitted: 10 Jun 2012
Accepted: 18 Sep 2012
First published: 20 Sep 2012

Download Citation

CrystEngComm, 2012,14, 8485-8491

Permissions

Request permissions

2D lanthanide–organic frameworks constructed from lanthanide acetate skeletons and benzotriazole-5-carboxylic acid connectors: synthesis, structure, luminescence and magnetic properties

Z. Li, L. Xue, B. Zhao, J. Kan and W. Su, CrystEngComm, 2012, 14, 8485 DOI: 10.1039/C2CE25927C

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

CrystEngComm

2D lanthanide–organic frameworks constructed from lanthanide acetate skeletons and benzotriazole-5-carboxylic acid connectors: synthesis, structure, luminescence and magnetic properties†

Abstract

Supplementary files

Article information

Download Citation

Permissions

2D lanthanide–organic frameworks constructed from lanthanide acetate skeletons and benzotriazole-5-carboxylic acid connectors: synthesis, structure, luminescence and magnetic properties

Social activity

Search articles by author

Spotlight

Advertisements