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Extended structure design with simple molybdenum oxide building blocks and urea as a directing agent

By S.J. Veen, S. Roy, Y. Filinchuk, D. Chernyshov, A.V. Petukhov, M. Versluijs-Helder, A. Broersma, F. Soulimani, T. Visser and W.K. Kegel


We report here a simple one-pot directed synthesis of an oxomolybdate urea composite in which elementary molybdenum oxide building blocks are linked together with the aid of urea. This type of directed material design resulted in large rod-like crystals of an inorganic-organic hybrid extended structure of {MoO3(NH2-CO-NH2)}∞ consisting of right- and left-handed helical units. In the crystal structure urea acts both as a glue that links the inorganic molybdenum units into a helix and as a supramolecular linker for the stabilization of the crystal structure as a whole. This type of molecular topology resulted in an unexpectedly high thermal stability

Year: 2008
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