SrP3 N5 NH: A Framework-Type Imidonitridophosphate Featuring Structure-Directing Hydrogen Bonds

Chemistry : a European Journal
Sebastian Vogel, Wolfgang Schnick

Abstract

Nitridophosphates and imidonitridophosphates show intriguing structural diversity, including unprecedented structure types. Highly condensed strontium imidonitridophosphate SrP3 N5 NH has been synthesized at 8 GPa and 1100 °C using a high-pressure high-temperature approach starting from stoichiometric amounts of Sr(N3 )2 , P3 N5 and NH4 Cl. Herein, NH4 Cl was used as a hydrogen source and as a precursor for in situ formation of SrCl2 , which acts as mineralizer and facilitates growth of single-crystals with a diameter of ≤30 μm. SrP3 N5 NH (P21 /c (no. 14), a=5.01774(2), b=8.16912(4), c=12.70193(5) Å, β=101.7848(3)°, Z=4) adopts an unprecedented network structure, represented by the point symbol (3.4.5.6.72 )(3.4.5.72 .8)(3.6.73 .8). This unique three nodal P/N(H) network is stabilized by moderately strong hydrogen bonds causing a structure-directing effect, which has not yet been reported for imidonitridophosphates.

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Citations

Nov 30, 2018·Angewandte Chemie·Simon D Kloß, Wolfgang Schnick
Jan 17, 2020·Chemistry : a European Journal·Sebastian WendlWolfgang Schnick

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