Mechanically Responsive Crystalline Coordination Polymers with Controllable Elasticity

Angewandte Chemie
Marijana ĐakovićIvan Kodrin

Abstract

Crystalline coordination polymers tend to be brittle and inelastic, however, we now describe a family of such compounds that are capable of displaying mechanical elasticity in response to external pressure. The design approach successfully targets structural features that are critical for producing the desired mechanical output. The elastic crystals all comprise 1D cadmium(II) halide polymeric chains with adjacent metal centres bridged by two halide ions resulting in the required stacking interactions and short "4 Å" crystallographic axes. These polymeric chains (structural "spines") are further organized via hydrogen bonds and halogen bonds perpendicular to the direction of the chains. By carefully altering the strength and the geometry of these non-covalent interactions, we have demonstrated that it is possible to control the extent of elastic bending in crystalline coordination compounds.

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Citations

Oct 9, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Ivan KodrinMarijana Đaković
May 12, 2020·Angewandte Chemie·Mari AnnadhasanRajadurai Chandrasekar
Aug 5, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Stefan BurgerGregor Kieslich
Dec 15, 2019·Angewandte Chemie·Biswajit BhattacharyaFranziska Emmerling
Jan 9, 2021·Inorganic Chemistry·Sotaro KusumotoShinya Hayami
Jan 22, 2021·Journal of the American Chemical Society·Bibhuti Bhusan RathJagadese J Vittal
Jun 25, 2021·Nature Communications·Xiaojiao LiuColin R Pulham
Aug 7, 2021·Chemistry, an Asian Journal·Samim KhanMohammad Hedayetullah Mir
Sep 17, 2021·Chemical Society Reviews·Amy J ThompsonJack K Clegg

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