water in chloroform; ammonia addn. of a soln. of PCl5 in CHCl3 in liquid NH3 containing H2O; dissoilving the product in liquid NH3;; removal of formed NH4Cl with diethylamine and extraction with hot methanol;;
water in neat (no solvent) addn. of powdered PCl5 to liquid NH3 containing a small amount of H2O; primary react. of PCl5 with NH3 forming HNP(NH2)3;; OP(NH2)3, PH6ON3 and P3O2N8H13 are isolated;;
