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Li 14 (PON 3 ) 2 O – A Non‐Condensed Oxonitridophosphate Oxide
Author(s) -
Baumann Dominik,
Schnick Wolfgang
Publication year - 2015
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201403125
Subject(s) - chemistry , crystallography , crystal structure , x ray crystallography , ion , trigonal crystal system , spectroscopy , tetrahedron , bar (unit) , solid state , oxide , diffraction , structure type , inorganic chemistry , physics , organic chemistry , quantum mechanics , meteorology , optics
Li 14 (PON 3 ) 2 O was synthesized by reaction of phosphoric triamide PO(NH 2 ) 3 with LiNH 2 at 550 °C. It crystallizes in a trigonal structure [ P $\bar {3}$ (no. 147), a = 5.6880(5), c = 8.0855(8) Å, V = 226.55(5) Å 3 , Z = 1] that can be described as a defect variant of the antifluorite structure type. The crystal structure was elucidated from X‐ray powder diffraction data and corroborated by FTIR and solid‐state NMR spectroscopy. Li 14 (PON 3 ) 2 O is composed of non‐condensed PON 3 6– tetrahedra and O 2– ions that are surrounded by tetrahedrally coordinated Li + . This is the first example of an ortho ‐oxonitridophosphate.
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