Issue 12, 2010
From the journal:

CrystEngComm

Metal–organic frameworks with oxazoline-containing tripodal ligand: structure changes via reaction medium and metal-to-ligand ratio†

Yong-Qing Huang,ab   Zhong-Liang Shen,a   Xia-Ying Zhou,a   Taka-aki Okamura,c   Zhi Su,a   Jian Fan,a   Wei-Yin Sun,*a   Jin-Quan Yu*d  and  Norikazu Ueyamac  

* Corresponding authors

a Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructure, Nanjing University, Nanjing, China
E-mail: sunwy@nju.edu.cn

b Department of Applied Chemistry, College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, China

c Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka, Japan

d Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA

Abstract

Six new copper(I) complexes [Cu2(L)2(H2O)](ClO4)2 (1), [Cu3(L)2(CH3CN)3(ClO4)3] (2), [Cu2(L)2Cl]ClO4·(9/4)H2O·(3/4)CH3CN (3), [Cu2(L)2(CH3CN)2](ClO4)2·2H2O (4), [Cu2(L)Br2] (5) and [Cu4(L)2Br4]·2CH3CN (6) [L = 1,3,5-tris(2-oxazolinyl)benzene] were prepared by reactions of ligand L with Cu(I) salts. Complexes 1 and 2 obtained by using the same reactants, but different solvents have 1D chain and trinuclear propeller-shaped M3L2 cage-like structures, respectively. While 3 and 4 with 2D (42·62·82)(4·62)(4·62) topological network and M2L2 macrocyclic ring structures were synthesized by addition of CuCl and CuBr, respectively. Complexes 5 and 6 with different structures were isolated by changing the metal-to-ligand ratios. 5 is an infinite 1D chain while 6 is a 3D framework with (4·122)2(42·124) topology. The results suggest that the reaction solvents, counter anions and metal-to-ligand ratios play important roles in the formation of frameworks. The complexes were characterized by X-ray crystallography and electrospray mass spectrometry. Complex 2 shows modest second harmonic generation (SHG) activity.

Graphical abstract: Metal–organic frameworks with oxazoline-containing tripodal ligand: structure changes via reaction medium and metal-to-ligand ratio

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Article information

DOI
https://doi.org/10.1039/C002874F
Article type
Paper
Submitted
10 Feb 2010
Accepted
10 Jun 2010
First published
10 Aug 2010

CrystEngComm, 2010,12, 4328-4338

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Metal–organic frameworks with oxazoline-containing tripodal ligand: structure changes via reaction medium and metal-to-ligand ratio

Y. Huang, Z. Shen, X. Zhou, T. Okamura, Z. Su, J. Fan, W. Sun, J. Yu and N. Ueyama, CrystEngComm, 2010, 12, 4328 DOI: 10.1039/C002874F

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