Elucidating the Origins of a Range of Diverse Flexible Responses in Crystalline Coordination Polymers (CROSBI ID 295004)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Pisačić, Mateja ; Biljan, Ivana ; Kodrin, Ivan ; Popov, Nina ; Soldin, Željka ; Đaković, Marijana
engleski
Elucidating the Origins of a Range of Diverse Flexible Responses in Crystalline Coordination Polymers
The mechanical adaptability of a family of six one-dimensional crystalline coordination polymers (CPs) of cadmium ([CdX2(3-X′py)2]n ; 1: X = Br, X′ = Cl, 2: X = I, X′ = Cl, 3: X = I, X′ = Br, 4: X = Cl, X′ = I, 5: X = Br, X′ = I, and 6: X, X′ = I) to applied external force was examined, and a plethora of flexible responses was noticed. While two of the six CPs (4 and 6) were slightly elastic, the remaining four CPs (1–3 and 5) presented variable plastic deformation ; three of these (1–3) displayed exceptional crystal flow, and one (2) demonstrated unprecedented ductility of crystalline metal–organic material. The feature was examined by theory and custom-designed experiments, and it was shown that specific and directional intermolecular interactions are not only the most influential structural feature in determining the type of mechanical responses (i.e., elastic vs plastic), with interlocking of adjacent molecules playing only a supportive role, but also an unavoidable tool for dialing-in a diversity of plastic responses in Cd(II) coordination polymers.
Crystals ; Plastic ; Deformation ; Flexibility ; Molecular interactions
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Podaci o izdanju
33 (10)
2021.
3660-3668
objavljeno
0897-4756
1520-5002
10.1021/acs.chemmater.1c00539