期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 52, 页码 14490-14493出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201406086
关键词
high-pressure chemistry; nitrides; phosphorus; solid-state reactions; solid-state structures
资金
- Fonds der Chemischen Industrie (FCI)
- Deutsche Forschungsgemeinschaft DFG [SCHN377/13-2]
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. gamma-P4N6(NH) has been thoroughly characterized using X-ray diffraction, solid-state NMR and FTIR spectroscopy. The synthesis of gamma-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.
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