Fluorphosphohedyphane Miyake M, Ishigaki K, Suzuki T Journal of Solid State Chemistry 61 (1986) 230-235 Structure refinements of Pb2+ ion-exchanged apatites by X-ray powder pattern-fitting Note: Sample FAp Locality: synthetic Note: apatite group _database_code_amcsd 0013569 9.759 9.759 7.291 90 90 120 P6_3/m atom x y z occ Biso Pb1 1/3 2/3 .009 .60 2.4 Ca1 1/3 2/3 .009 .40 2.4 Pb2 .250 .000 .25 .52 2.1 Ca2 .250 .000 .25 .48 2.1 P .402 .374 .25 .8 O1 .313 .477 .25 2.6 O2 .583 .480 .25 1.4 O3 .351 .271 .066 2.5 F 0 0 .25 3.5