XXV General Assembly and Congress of the
International Union of Crystallography - IUCr 2021
August 14 - 22, 2021 | Prague, Czech Republic
Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
Please note that all times are shown in the time zone of the conference. The current conference time is: 19th Apr 2024, 05:32:30am CEST
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Session Overview |
| Session | ||
MS-20: Dynamic frameworks
Invited: Hoi Ri Moon (Republic of Korea), Yao Chen (China) | ||
| Session Abstract | ||
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Dynamic behaviour and structural flexibility are important properties of extended frameworks, such as Metal-organic Frameworks (MOFs), and in porous solids composed of molecular materials, like Metal-organic Polyhedra (MOPs) and Porous Organic Cages (POCs). In extended materials this can be realised as breathing or stimulus-response, providing access to unexpected porosity or sensing behaviour. For molecular materials, which lack strong bonding between components, structural transformations in response to sorbents can be profound, leading to advantageous sorption and separation processes. This session will examine the dynamic behaviour and structural flexibility of both molecular and extended porous frameworks, with a focus on phase transitions, which can be monitored by X-ray crystallography. For all abstracts of the session as prepared for Acta Crystallographica see PDF in Introduction, or individual abstracts below. | ||
| Introduction | ||
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10:20am - 10:25am
ID: 1749 / MS-20: 1 Introduction Oral/poster Introduction to session 10:25am - 10:55am
ID: 1194 / MS-20: 2 Chemical crystallography, crystal structures Invited lecture to session MS: Dynamic frameworks Keywords: Metal-organic framework, Flexibility, Isotope Separation Flexible Metal-Organic Frameworks for Hydrogen Isotope Separation Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan, Korea, Republic of (South Korea) External Resource:
 10:55am - 11:25am
ID: 1379 / MS-20: 3 All topics Invited lecture to session MS: Dynamic frameworks Keywords: Biomolecules; biocatalysis; separation; biopharmaceutical Novel composite platform: Biomolecules-incorporation for biocatalysis, separation and biopharmaceutical formulations Nankai University, Tianjin, China, People's Republic of External Resource:
11:25am - 11:45am
ID: 830 / MS-20: 4 Chemical crystallography, crystal structures Oral/poster MS: Dynamic frameworks, Crystallographic approaches for designing new framework materials (including post-synthetic modification), Non-covalent interactions in crystal engineering Keywords: frameworks, hydrogen bonding, halogen bonding, guest exchange, chromism Dynamic frameworks: the role of non-covalent interactions University of Cape Town, Cape Town, South Africa External Resource:
11:45am - 12:05pm
ID: 777 / MS-20: 5 Chemical crystallography, crystal structures Oral/poster MS: Solid state reactions and dynamics, Crystal chemistry with emerging technology, Dynamic frameworks, Non-covalent interactions in crystal engineering, Crystallization mechanisms of small molecule systems Keywords: Mechanical bonds; M12L8 nanocages; poly-[n]-catenanes; kinetic control; interlocked cages Synthesis and structural properties of isostructural Zn(II) M12L8 poly-[n]-catenane using the 2,4,6-tris(4-pyridyl)benzene (TPB) ligand Politecnico di Milano, Milan, Italy External Resource:
12:05pm - 12:25pm
ID: 574 / MS-20: 6 Chemical crystallography, crystal structures Oral/poster MS: Theory and practice of supramolecular synthons in crystal engineering, Stimuli-responsive crystalline compounds, Dynamic frameworks, Non-covalent interactions in crystal engineering Posters only: Chemical crystallography, crystal structures (if it does not fit to any specific topics) Keywords: Aurophilic interactions; vapochromism; cocrystals; high pressure/low temperature Cocrystallization, high pressure/low temperature behaviour and vapochromism in a family of aurophilic copper-gold supramolecular networks. 1Department of Chemistry, Università di Torino, Via Pietro Giuria 7, 10125 Torino, Italy; 2Department of Earth sciences, University of Torino, Via Valperga Caluso 35, 10125, Turin, Italy; 33Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Viale G. P. Usberti 17A, 43100 Parma, Italy External Resource:
12:25pm - 12:45pm
ID: 502 / MS-20: 7 Bursary application Oral/poster MS: Dynamic frameworks, Porous framework materials for gas adsorption/separation, Function and application of porous crystals Keywords: Keywords: IUCr2020; flexible porous materials; water sorption; in situ PXRD, phase transitions, S-shaped sorption isotherm Structural modifications occurring during the water sorption processes on a potential material for autonomous indoor humidity control 1University of Dschang, Department of Chemistry, PO Box 67, Dschang, Cameroon; 2Fraunhofer-Institut for Solar Energy Systems ISE, Division Thermal Systems and Buildings, Heidenhofstraße 2, 79110 Freiburg, Germany; 3Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany; 4Laboratoire Léon Brillouin (LLB), UMR 12 CEA/CNRS, Bât. 563 CEA Saclay, 91191 Gif-sur-Yvette cedex, France Bibliography
1.Kenfack, T.P.; Hastürk, E.; Fröhlich, D.; Wenger, E.; Durand, P.; Lambi N. J.; Lecomte, C.; Janiak, C. Water Vapor Single-Gas Selectivity via Flexibility of Three Potential Materials for Autonomous Indoor Humidity Control. Cryst. Growth Des. 2019, 17, 2869 – 2880. 2.Majoumo-M, F.; Ngwang, N. E.; Kenfack. T. P.; Nguepmeni, E. V. B.; Ngwain Y. J.; Efeti, I. I. Synthesis, molecular and crystal structure of 1-(1, 2-dihydrophthalazin-1-ylidene)-2-[1-(thiophen-2-yl) ethylidene] hydrazine. Acta Cryst. 2019, E75, 251 – 254. 3.Kamta, T. H. M.; Kenfack T. P.; Lontio F. R.; Ekane, P.E.; Pattayil, A. J.; Delcorte, A.; Roussin; Lambi. N.J. Structural characterization and magnetic properties of undoped and copper-doped cobalt ferrite nanoparticles prepared by the octanoate coprecipitation route at very low dopant concentrations. RSC Adv. 2018, 8, 38621 – 38630. 4.Kenfack, T. P.; Tsamo, T. A; Mkounga, P.; Nkengfack, A. E.; Tonle, K. I., Crystal structure of limonoid TS3, isolated from Trichilia rubescens. Acta Cryst 2018, E74, 1083 – 1086. 5. Kenfack, T.P.; Ngolui, L. J.; Wenger, E.; Durand, P.; Dahaoui, S.; Lecomte, C., Reversible breathing process and associated thermochromism of a stacked-layer porous supramolecular material. Cryst. Growth Des. 2017, 17, 4908 – 4917. External Resource:
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