Waimirite-(Y) Cheetham A K, Norman N Acta Chemica Scandinavica A28 (1974) 55-60 The structures of yttrium and bismuth trifluorides by neutron diffraction Locality: synthetic _database_code_amcsd 0020020 6.3537 6.8545 4.3953 90 90 90 Pnma atom x y z Biso Y .3673 .25 .0591 .37 F1 .5227 .25 .5910 .89 F2 .1652 .0643 .3755 .57