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Four CuI(ett) coordination polymorphs and changes in XRD upon hydrothermal condition optimization

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Abstract

Four [CuI(ett)]n coordination polymorphs (1-α, 1-β, 1-γ and 1-δ), based on 5-(ethylthio)-1H-tetrazole (Hett), have been prepared successfully. By regulating the reaction time and reaction temperature, the rich coordination mode of the ett ligands can be regulated. Consequently, 1-α, 1-β and 1-γ show 2D wave-like layers, while 1-δ shows a 3D network. Powder X-ray diffraction (PXRD) analysis of the bulk sample of 1 prepared through a hydrothermal procedure revealed that 1-α and 1-δ can be isolated through temperature-dependent and time-dependent experiments, respectively. Starting from an as-prepared sample of 1-α in aqueous solution, the conversion from 1-α to 1-δ has been tracked over time by PXRD, with observations of the intermediate phases of 1-β and/or 1-γ in the hydrothermal re-crystallization process.

Graphical abstract: Four CuI(ett) coordination polymorphs and changes in XRD upon hydrothermal condition optimization

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Publication details

The article was received on 05 Sep 2017, accepted on 28 Sep 2017 and first published on 29 Sep 2017


Article type: Paper
DOI: 10.1039/C7CE01595J
Citation: CrystEngComm, 2017, Advance Article
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    Four CuI(ett) coordination polymorphs and changes in XRD upon hydrothermal condition optimization

    Y. Tao, Y. Li, X. Pang, H. Li, F. Huang, H. Qin and H. Bian, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE01595J

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