A Rotorlike Supramolecular Assembly, {[K(18-crown-6)]PbI3}∞, with a Reversible Breaking-Symmetry Phase Transition near Room Temperature

Guo Jun Yuan; Dong Sheng Shao; Bing Wen Hu; Wen Long Liu; Xiao Ming Ren

doi:10.1021/acs.inorgchem.9b03517

A Rotorlike Supramolecular Assembly, {[K(18-crown-6)]PbI₃}_∞, with a Reversible Breaking-Symmetry Phase Transition near Room Temperature

Guo Jun Yuan, Dong Sheng Shao, Bing Wen Hu, Wen Long Liu, Xiao Ming Ren

School of Chemistry and Moleculai Engineering

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

A rotorlike supramolecular crystal, {[K(18-crown-6)]PbI₃}_∞, is composed of a linear [PbI₃]_∞ chain acting as a stator and [K(18-crown-6)]⁺ cations fastened to the [PbI₃]_∞ chain and K-I bond like rotators and axes, respectively. A reversible breaking-symmetry phase transition occurs at ∼305 K. Variable-temperature ¹H NMR spectra and dielectrics were used for the dynamic analysis of [K(18-crown-6)]⁺ cations in the crystal.

Original language	English
Pages (from-to)	980-983
Number of pages	4
Journal	Inorganic Chemistry
Volume	59
Issue number	2
DOIs	https://doi.org/10.1021/acs.inorgchem.9b03517
State	Published - 21 Jan 2020

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abstract = "A rotorlike supramolecular crystal, {[K(18-crown-6)]PbI3}∞, is composed of a linear [PbI3]∞ chain acting as a stator and [K(18-crown-6)]+ cations fastened to the [PbI3]∞ chain and K-I bond like rotators and axes, respectively. A reversible breaking-symmetry phase transition occurs at ∼305 K. Variable-temperature 1H NMR spectra and dielectrics were used for the dynamic analysis of [K(18-crown-6)]+ cations in the crystal.",

author = "Yuan, {Guo Jun} and Shao, {Dong Sheng} and Hu, {Bing Wen} and Liu, {Wen Long} and Ren, {Xiao Ming}",

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AU - Yuan, Guo Jun

AU - Shao, Dong Sheng

AU - Hu, Bing Wen

AU - Liu, Wen Long

AU - Ren, Xiao Ming

PY - 2020/1/21

Y1 - 2020/1/21

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AB - A rotorlike supramolecular crystal, {[K(18-crown-6)]PbI3}∞, is composed of a linear [PbI3]∞ chain acting as a stator and [K(18-crown-6)]+ cations fastened to the [PbI3]∞ chain and K-I bond like rotators and axes, respectively. A reversible breaking-symmetry phase transition occurs at ∼305 K. Variable-temperature 1H NMR spectra and dielectrics were used for the dynamic analysis of [K(18-crown-6)]+ cations in the crystal.

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JO - Inorganic Chemistry

JF - Inorganic Chemistry

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ER -

A Rotorlike Supramolecular Assembly, {[K(18-crown-6)]PbI₃}_∞, with a Reversible Breaking-Symmetry Phase Transition near Room Temperature

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