Before revision: Synthesis Heating lanthanum metal with excess phosphorus in a vacuum: La + P → LaP Physical properties The compound forms black crystals of a cubic system, space group Fm3m, cell parameters a = 0.601 nm, with number of formulas per unit cell Z = 4.
After revision: Synthesis Heating lanthanum metal with excess phosphorus in a vacuum: La + P444 → LaP Physical properties The compound forms black crystals of a cubic system, space group Fm3m, cell parameters a = 0.601 nm, with number of formulas per unit cell Z = 4.