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 = 77 K Locality: synthetic _database_code_amcsd 0013538 5.6118 5.6114 4.9988 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 .7642 .00651 .00651 .00450 0 0 0 O .25 0 0 .00849 .00849 .01100 0 0 0