RbAlF4 Bulou A, Nouet J Journal of Physics C: Solid State Physics 15 (1982) 183-196 Structural phase transitions in ferroelastic RbAlF4: I. DSC, X-ray powder diffraction investigations and neutron powder profile refinement of the structures _cod_database_code 1000456 _database_code_amcsd 0013171 7.2285 7.2252 6.2624 90 90 90 *Pmmn .25 .25 0 atom x y z Rb1 .25 .25 .480 Rb2 .25 .75 .518 Al1 0 0 0 F1 .25 -.0304 0 F2 .040 .25 .0330 F3 -.001 -.0186 .2786