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Multifunctional Molecular Magnets through Cyanide Chemistry (MultiCyChem)
Start date: Nov 1, 2012, End date: Oct 31, 2014 PROJECT  FINISHED 

During the last decade, the most pressing technological problems have been alternative fuel storage and its controlled release, selective sorption, molecular sensing and processing of gasses, and high density data recording and storage, and information processing on a molecular level. These technological demands have led to an urgent need for new generations of intelligent materials, which, as opposed to conventional solids, can combine multiple functions. Molecular materials are well-suited to address these needs. In general molecular solids can be obtained via self assembly of the rationally designed pre-organized building blocks. However, achieving multifunctionality is a very challenging task requiring specific synthetic approach and close collaboration between chemists, physicists and materials scientists.The main purpose of the project is to develop rational strategies towards multifunctionality in molecular solids and in particular to design, obtain and characterize novel multifunctional molecular magnetic materials: (i) photo-switchable magnets where magnetization can be switched with light, (ii) porous magnets – compounds magnetically responsive to guest-molecules, (iii) enantiopure chiral magnets – compounds combining natural and magnetic optical activity and showing fascinating cross-effects.The title multifunctional compounds will be pursued via cyanide chemistry. Selected paramagnetic building blocks will be linked together in a rational way using cyanide or organocyanide ligands into 0-, 1-, 2- and 3-dimensional coordination assemblies. Additional functionalities will be introduced by incorporating appropriate auxiliary organic ligands. The obtained compounds will be investigated using state-of-the-art physical techniques including single-crystal neutron diffraction, magneto-optical measurements and muon spectroscopy.Overall, the studies will lead to novel multifunctional magnetic solids with possible technological applications.

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