title: PEG-Induced Synthesis of Coordination-Polymer Isomers with Tunable Architectures and Iodine Capture.
abstract: Controllable synthesis of coordination polymer (CP) isomers and revealing their structure-property relationships remain enormous challenges. Three new supramolecular isomers have been synthesized by tuning the poly(ethylene glycol) (PEG) content in the feed. These supramolecular isomers have the same framework formula of [Cu2I2(tppe)] and different architectures from the classical 2D stacking framework to a 3D entangled system with the coexistence of interpenetration and polycatenation, and a 3D topological framework. Interestingly, these CPs could be utilized for capturing iodine molecules. According to multiple complementary experiments and crystallographic analyses, iodine capture is mainly based on halogen-bond interactions in the inorganic {Cu2I2} building blocks of the framework. The present study describes a structure-property relationship in supramolecular isomerism with distinct topological structures.
authors.affiliation: Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China.
authors.forename: Si-Si
authors.initials: SS
authors.lastname: Zhao
authors.affiliation: Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China.
authors.forename: Li
authors.initials: L
authors.lastname: Chen
authors.affiliation: State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.|The University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.
authors.forename: Xiaohua
authors.initials: X
authors.lastname: Zheng
authors.affiliation: State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.
authors.forename: Lei
authors.initials: L
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.
authors.forename: Zhigang
authors.identifier: http://orcid.org/0000-0003-2974-1825
authors.initials: Z
authors.lastname: Xie
keywords: coordination polymers; iodine capture; metal-organic frameworks; structure-property relationships; supramolecular isomers