original question: Which bipropellant rocket engine uses [Chlorine pentafluoride] as an oxidizer?
answer: rd-503
answer type: Bipropellant rocket engine.
auxiliary information: Chlorine pentafluoride is an interhalogen compound with formula ClF‚ÇÖ. This colourless gas is an strong oxidant that was once a candidate oxidizer for rockets. The molecule adopts a square pyramidal structure with C‚ÇÑ·µ• symmetry, as confirmed by its high resolution ¬π‚ÅπF NMR spectrum.
What is the bipropellant rocket engine which uses the oxidizer [Chlorine pentafluoride]?