Litharge Boher P, Garnier P, Gavarri J R, Hewat A W Journal of Solid State Chemistry 57 (1985) 343-350 Monoxyde quadratique PbO alpha(I): Description de la transition structurale ferroelastique Method: Neutron Diffraction T = 300 K Locality: synthetic _database_code_amcsd 0013539 5.6253 5.6253 5.0259 90 90 90 Cmma atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Pb 0 .25 .7655 .01169 .01169 .01405 0 0 0 O .25 0 0 .01145 .01145 .02672 0 0 0