Zitieren Sie bitte immer diesen URN: urn:nbn:de:kobv:b43-504755
A Mechanistic Perspective on Plastically Flexible Coordination Polymers
- Mechanical flexibility in single crystals of covalently bound materials is a fascinating and poorly understood phenomenon. We present here the first example of a plastically flexible one-dimensional (1D) coordination polymer. The compound [Zn(m-Cl)2(3,5-dichloropyridine)2]n is flexible over two crystallographic faces. Remarkably, the single crystal remains intact when bent to 1808. A combination of microscopy, diffraction, and spectroscopic studies have been used to probe the structural response of the crystal lattice to mechanical bending. Deformation of the covalent polymer chains does not appear to be responsible for the observed macroscopic bending. Instead, our results suggest that mechanical bending occurs by displacement of the coordination polymer chains. Based on experimental and theoretical evidence, we propose a new model for mechanical flexibility in 1D coordination polymers. Moreover, our calculations propose a cause of the different mechanical properties of this compoundMechanical flexibility in single crystals of covalently bound materials is a fascinating and poorly understood phenomenon. We present here the first example of a plastically flexible one-dimensional (1D) coordination polymer. The compound [Zn(m-Cl)2(3,5-dichloropyridine)2]n is flexible over two crystallographic faces. Remarkably, the single crystal remains intact when bent to 1808. A combination of microscopy, diffraction, and spectroscopic studies have been used to probe the structural response of the crystal lattice to mechanical bending. Deformation of the covalent polymer chains does not appear to be responsible for the observed macroscopic bending. Instead, our results suggest that mechanical bending occurs by displacement of the coordination polymer chains. Based on experimental and theoretical evidence, we propose a new model for mechanical flexibility in 1D coordination polymers. Moreover, our calculations propose a cause of the different mechanical properties of this compound and a structurally similar elastic material…
Autor*innen: | Biswajit BhattacharyaORCiD, Adam MichalchukORCiD, Dorothee SilbernaglORCiD, Max Rautenberg, Thomas SchmidORCiD, Torvid FeilerORCiD, K. Reimann, A. Ghalgaoui, Heinz SturmORCiD, B. Paulus, Franziska EmmerlingORCiD |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Angewandte Chemie |
Jahr der Erstveröffentlichung: | 2020 |
Organisationseinheit der BAM: | 1 Analytische Chemie; Referenzmaterialien |
1 Analytische Chemie; Referenzmaterialien / 1.4 Prozessanalytik | |
6 Materialchemie | |
6 Materialchemie / 6.3 Strukturanalytik | |
6 Materialchemie / 6.6 Physik und chemische Analytik der Polymere | |
Veröffentlichende Institution: | Bundesanstalt für Materialforschung und -prüfung (BAM) |
Verlag: | Wiley-VCH |
Jahrgang/Band: | 59 |
Ausgabe/Heft: | 14 |
Erste Seite: | 5557 |
Letzte Seite: | 5561 |
DDC-Klassifikation: | Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten |
Freie Schlagwörter: | Coordination polymer; Flexible crystals; Mechanical properties; Plastic deformation |
Themenfelder/Aktivitätsfelder der BAM: | Material |
DOI: | 10.1002/anie.201914798 |
URN: | urn:nbn:de:kobv:b43-504755 |
Verfügbarkeit des Dokuments: | Datei für die Öffentlichkeit verfügbar ("Open Access") |
Lizenz (Deutsch): | Creative Commons - CC BY - Namensnennung 4.0 International |
Datum der Freischaltung: | 02.03.2020 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 02.03.2020 |
Schriftenreihen ohne Nummerierung: | Wissenschaftliche Artikel der BAM |