An unprecedented hydride-substituted apatite
Mixed - anionic hydrides are currently a very important field of research. In search of new hydride materials, we prepared an unprecedented strontium apatite compound. While recent publications describe that mixtures of hydroxide and hydride anions could be found in such compounds, we have now successfully replaced fluoride/hydroxide completely by hydride for the first time. So far, we have confirmed the presence of solely hydride by solid state NMR combined with theoretical modelling of the spectra using ab-initio methods, IR spectroscopy and elemental analysis. To support our hypothesis and gain detailed structural information on the position and occupation number, neutron powder diffraction studies are indispensable. Therefore, we apply for beam time to record a room temperature powder pattern of Sr5(PO4)3D at the high-resolution neutron powder diffractometer D2b. [1] K. Hayashi, H. Hosono, Green apatites: hydride ions, electrons and their interconversion in the crystallographic channel, Phys. Chem. Chem. Phys. 2016, 18, 8186.
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KUNKEL Nathalie and RITTER Clemens. (2019). An unprecedented hydride-substituted apatite. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.EASY-399
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