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Li47 B3 P14 N42 -A Lithium Nitridoborophosphate with [P3 N9 ]12- , [P4 N10 ]10- , and the Unprecedented [B3 P3 N13 ]15- Ion.

Eva-Maria BertschlerThomas BräunigerChristian DietrichJürgen JanekWolfgang Schnick
Published in: Angewandte Chemie (International ed. in English) (2017)
Li47 B3 P14 N42 , the first lithium nitridoborophosphate, is synthesized by two different routes using a Li3 N flux enabling a complete structure determination by single-crystal X-ray diffraction data. Li47 B3 P14 N42 comprises three different complex anions: a cyclic [P3 N9 ]12- , an adamantane-like [P4 N10 ]10- , and the novel anion [P3 B3 N13 ]15- . [P3 B3 N13 ]15- is the first species with condensed B/N and P/N substructures. Rietveld refinement, 6 Li, 7 Li, 11 B, and 31 P solid-state NMR spectroscopy, FTIR spectroscopy, EDX measurements, and elemental analyses correspond well with the structure model from single-crystal XRD. To confirm the mobility of Li+ ions, their possible migration pathways were evaluated and the temperature-dependent conductivity was determined by impedance spectroscopy. With the Li3 N flux route we gained access to a new class of lithium nitridoborophosphates, which could have a great potential for unprecedented anion topologies with interesting properties.
Keyphrases
  • solid state
  • ion batteries
  • ionic liquid
  • computed tomography
  • machine learning
  • risk assessment
  • climate change
  • molecularly imprinted
  • big data
  • data analysis
  • simultaneous determination