Issue 41, 2017

Capture of volatile iodine by newly prepared and characterized non-porous [CuI]n-based coordination polymers

Abstract

Four new non-porous CuI-coordination polymers [Cu23-I)2(μ-bpb)]n (1a), [Cu(μ2-I)(μ-bpb)]n (1b), [Cu42-I)4(μ-bpmb)4]n (2), and [CuI(μ-bdb)]n (3) (bpb = 1,4-bis(pyrazolyl)butane; bpmb = 1,4-bis[(pyrazolyl)methyl]benzene; bdb = 1,4-bis[(3,5-dimethylpyrazolyl)methyl]benzene) have been successfully prepared and their structures fully characterized by single-crystal X-ray diffraction, FT-IR spectroscopy, PXRD and elemental analysis. Crystallographic investigation revealed that 1a, 1b, and 2 exhibit two-dimensional (2D) structures; in 1a parallel [Cu2I2]n staircase motifs are cross-linked into two-dimensional sheets by bpb linkers with a fully extended conformation, while in the structures of 1b and 2 Cu2I2 rhomboid dimers are linked by bpb and pbmb ligands, respectively, into two-dimensional sheets with a 44-sql net. Differently, compound 3 shows a one-dimensional (1D) zigzag chain structure with monomeric CuI units. All the four non-porous coordination polymers show the ability to capture volatile iodine in the gas phase. The solid-state photoluminescence properties of 1a, 1b, and 2 have also been investigated. The iodine-adsorbed samples 1a-I2, 1b-I2, and 2-I2 show no fluorescence behavior.

Graphical abstract: Capture of volatile iodine by newly prepared and characterized non-porous [CuI]n-based coordination polymers

Supplementary files

Article information

Article type
Paper
Submitted
27 Jūn. 2017
Accepted
11 Sept. 2017
First published
11 Sept. 2017
This article is Open Access
Creative Commons BY-NC license

CrystEngComm, 2017,19, 6116-6126

Capture of volatile iodine by newly prepared and characterized non-porous [CuI]n-based coordination polymers

A. Tarassoli, V. Nobakht, E. Baladi, L. Carlucci and D. M. Proserpio, CrystEngComm, 2017, 19, 6116 DOI: 10.1039/C7CE01193H

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