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Inovare si Creativitate

Unitatea executiva pentru finantarea invatamantului superior, a certcetarii dezvoltarii si inovarii. Inovare si Creativitate. New coordination networks containing polyfunctional flexible bridges. Contractor: "Petru Poni" Institute of Macromolecular Chemistry, Romanian Academy.

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Inovare si Creativitate

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  1. Unitatea executiva pentru finantarea invatamantului superior, a certcetarii dezvoltarii si inovarii Inovare si Creativitate New coordination networks containing polyfunctional flexible bridges Contractor: "Petru Poni" Institute of Macromolecular Chemistry, Romanian Academy Project Duration: septembrie 2013-septembrie 2015 Project Number: PCE_2012-4-0261 Project Manager: Dr. Maria Cazacu

  2. Description The interface between inorganic and organic materials chemistry is an area that has been developing rapidly in recent years. Considerable work has been directed towards the synthesis of extended chemical networks which combine metal centers and organic ligands in such a way as to form coordination polymers, and often porous materials very useful for catalysis, microelectronics, nonlinear optics, gas purification and gas storage, magnetism, luminescence. Metal-organic frameworks (MOFs) are considered as three-dimensionally connected networks comprising nodes, which are metal cations or di-, tri- or tetra-, or polynuclear metal cation clusters, linked by organic spacers, which are usually di-, tri- or tetradentate ligands. When the coordination bonds between metals and ligands are strong, this gives rise to crystallographically well-defined open structures that are stable to the removal of guest molecules, giving permanent porosity. These porous MOFs are able to reversibly adsorb gases and vapours, sometimes in very large amounts that exceed by many times the specific adsorption capacities of even the most open zeolites. The general objective of the project is to synthesize and fully characterize new metal-organic frameworks with highly flexible siloxane sequences as linkers and metallocentric building units.

  3. Objectives • 2013 • Preparation of the polynuclear transition metal μ-oxoclusters • Obtaining of the siloxane or silanecompounds as a structural building unit (SBU) of the metal-organic frameworks. • 2014 • Obtaining of the siloxane or silane compounds as a structural building unit (SBU) of the metal-organic frameworks. • Preparation of the extended metal-organosiloxane networks by using the obtained siloxane or silane ligands • 2015 • Preparation of the extended metal-organosiloxane networks having preformed or “in situ” formed metal clusters and the obtained siloxane or silane ligands • Evaluation of some properties and application potential for metal-organosiloxanenetworks

  4. Dissemination Articles 1.A 2D metal-organic framework based on dizinc coordination units bridged through both flexible and rigid ligands, Angelica Vlad, Maria Cazacu, Mirela-Fernanda Zaltariov, Alexandra Bargan, Sergiu Shova, Constantin Turta, J. Mol. Struct., Ms. Ref. No.: RF2013_3193 -Accepted Presentations at International Scientific Meetings 1. Functionalized polyhedral oligomeric silsquioxanes: synthesis and structural characterization; A.–M.-C. Dumitriu, M. Cazacu, S. Shova, 18-th Romanian International Conference on Chemistry and Chemical Engineering, Sinaia, 4-7 Septembrie 2013, Romania. 2. Cu(II) complexes based on a new ditiopic azomethine ligand containing trimethylsilyl groups; M.-F.Zaltariov, S. Shova, M. Cazacu, A.Vlad, 18-th Romanian International Conference on Chemistry and Chemical Engineering, 4-7 Septembrie 2013, Sinaia, Romania Presentations at National Scientific Meetings • 1. New supramolecular polyhedral oligomeric silsesquioxanes: synthesis and structural characterization; A.–M.-C. Dumitriu, M. Cazacu, S. Shova, Zilele Universităţii "Alexandru Ioan Cuza” -Recent Achievements in Organic and Supramolecular Chemistry, 31 octombrie –02 noiembrie 2013, Iasi, Romania

  5. Team Dr. Maria Cazacu Prof. Constantin Turta Dr. Carmen Racles Dr. Sergiu Shova Dr. Mihaela Alexandru Dr. Alexandra Bargan A.C. Angelica Vlad Drd. Mirela-Fernanda Zaltariov Drd. Alina Soroceanu Drd. Ana-Maria-Corina Dumitriu Drd. Mihail Iacob

  6. Contact Institutul de Chimie Macromoleculara “Petru Poni” Iasi Aleea Gr. Ghica Voda 41 A, 700487, IasiTel.: 0232-217454; Fax: 0232-211299E-mail: pponi@icmpp.ro Dr. Maria Cazacu – director proiect E-mail: mcazacu@icmpp.ro

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