Solvomorphism of Double-Layered Networks through Single-Crystal-to-Single-Crystal Transformation

Self-assembly of Hg­(CF3SO3)2 with benzene-1,3,5-triyltris­(methylene)­tripicolinate (L) as a C 3-symmetric tridentate ligand gives rise to a unique double-layered honeycomb two-dimensional (2D) structure of [Hg3L4]­(CF3SO3)6 with an hcb, net/(6,3) topology. In this communication, a unique 2D double...

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Bibliographic Details
Published in:Crystal growth & design 2018-03, Vol.18 (3), p.1278-1282
Main Authors: Lee, Sangseok, Hwang, Seo Young, Lee, Haeri, Jung, Ok-Sang
Format: Article
Language:English
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Summary:Self-assembly of Hg­(CF3SO3)2 with benzene-1,3,5-triyltris­(methylene)­tripicolinate (L) as a C 3-symmetric tridentate ligand gives rise to a unique double-layered honeycomb two-dimensional (2D) structure of [Hg3L4]­(CF3SO3)6 with an hcb, net/(6,3) topology. In this communication, a unique 2D double-layered network’s four unprecedented polymorph patterns formed under various temperature, time, and solvent conditions are described. The double-layered 2D structure with π···π interaction affords two solvent-dependent morphs via its flexible conformation and sliding nature. Of the two morphs, a morph from acetone/dioxane changes to two different morphs according to time and temperature in single-crystal-to-single-crystal (SCSC) fashion.
ISSN:1528-7483
1528-7505
DOI:10.1021/acs.cgd.7b01718