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A Rotorlike Supramolecular Assembly, {[K(18-crown-6)]PbI3}∞, with a Reversible Breaking-Symmetry Phase Transition near Room Temperature.
Yuan, Guo-Jun; Shao, Dong-Sheng; Hu, Bing-Wen; Liu, Wen-Long; Ren, Xiao-Ming.
Affiliation
  • Yuan GJ; Key Laboratory of Advanced Functional Materials of Nanjing, Department of Chemistry , Nanjing Xiaozhuang University , Nanjing 211171 , P. R. China.
  • Shao DS; State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular of Engineering , Nanjing Tech University , Nanjing 211816 , P. R. China.
  • Hu BW; State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemistry and Molecular of Engineering , Nanjing Tech University , Nanjing 211816 , P. R. China.
  • Liu WL; Physics Department and Shanghai Key Laboratory of Magnetic Resonance , East China Normal University , Shanghai 200062 , China.
  • Ren XM; College of Chemistry and Chemical Engineering , Yangzhou University , Yangzhou 225002 , China.
Inorg Chem ; 59(2): 980-983, 2020 Jan 21.
Article in En | MEDLINE | ID: mdl-31909612
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.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Inorg Chem Year: 2020 Document type: Article
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Add to My VHL
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PubMed Links
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Inorg Chem Year: 2020 Document type: Article