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Keywords:

  • phosphorus;
  • polymer;
  • polysulfides;
  • structure elucidation;
  • sulfur
Thumbnail image of graphical abstract

Sulfur, so good: Crystallization of phosphorus polysulfides catena-P2S7 is enhanced by catalytic amounts of anhydrous FeCl3 (see scheme, P blue, S yellow). The formation of polysulfide bridges is observed which is typical for vulcanization reactions.