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- Title
Pentacoordinate Phosphorus in a High-Pressure Polymorph of Phosphorus Nitride Imide P<sub>4</sub>N<sub>6</sub>(NH).
- Authors
Baumann, Dominik; Schnick, Wolfgang
- Abstract
Coordination numbers higher than usual are often associated with superior mechanical properties. In this contribution we report on the synthesis of the high-pressure polymorph of highly condensed phosphorus nitride imide P4N6(NH) representing a new framework topology. This is the first example of phosphorus in trigonal-bipyramidal coordination being observed in an inorganic network structure. We were able to obtain single crystals and bulk samples of the compound employing the multi-anvil technique. γ-P4N6(NH) has been thoroughly characterized using X-ray diffraction, solid-state NMR and FTIR spectroscopy. The synthesis of γ-P4N6(NH) gives new insights into the coordination chemistry of phosphorus at high pressures. The synthesis of further high-pressure phases with higher coordination numbers exhibiting intriguing physical properties seems within reach.
- Subjects
PHOSPHORUS compound synthesis; HIGH pressure chemistry; COORDINATE covalent bond; MECHANICAL behavior of materials; X-ray diffraction
- Publication
Angewandte Chemie, 2014, Vol 126, Issue 52, p14718
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201406086