MH4P6N12 (M = Mg, Ca): new imidonitridophosphates with an unprecedented layered network structure type

Chemistry : a European Journal
Alexey MarchukWolfgang Schnick

Abstract

Isotypic imidonitridophosphates MH4P6N12 (M = Mg, Ca) have been synthesized by high-pressure/high-temperature reactions at 8 GPa and 1000 °C starting from stoichiometric amounts of the respective alkaline-earth metal nitrides, P3N5, and amorphous HPN2. Both compounds form colorless transparent platelet crystals. The crystal structures have been solved and refined from single-crystal X-ray diffraction data. Rietveld refinement confirmed the accuracy of the structure determination. In order to quantify the amounts of H atoms in the respective compounds, quantitative solid-state (1)H NMR measurements were carried out. EDX spectroscopy confirmed the chemical compositions. FTIR spectra confirmed the presence of NH groups in both structures. The crystal structures reveal an unprecedented layered tetrahedral arrangement, built up from all-side vertex-sharing PN4 tetrahedra with condensed dreier and sechser rings. The resulting layers are separated by metal atoms.

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Citations

Dec 26, 2015·Inorganic Chemistry·Alexey MarchukWolfgang Schnick
Dec 16, 2016·Chemistry : a European Journal·Eva-Maria BertschlerWolfgang Schnick
Jul 14, 2018·Chemistry : a European Journal·Sebastian Vogel, Wolfgang Schnick
Aug 9, 2018·Angewandte Chemie·Sebastian VogelWolfgang Schnick
Aug 24, 2018·Chemistry : a European Journal·Sebastian Wendl, Wolfgang Schnick
Nov 30, 2018·Angewandte Chemie·Simon D Kloß, Wolfgang Schnick
Apr 9, 2020·Chemistry : a European Journal·Sebastian WendlWolfgang Schnick
Oct 14, 2017·Chemistry : a European Journal·Eva-Maria BertschlerWolfgang Schnick

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