data_global _amcsd_formula_title 'CsAlF4' loop_ _publ_author_name 'Bentrup U' 'Le Bail A' 'Duroy H' 'Fourquet J' _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_volume 29 _journal_year 1992 _journal_page_first 371 _journal_page_last 381 _publ_section_title ; Polymorphism of CsAlF4. Synthesis and structure of two new crystalline forms _cod_database_code 1000107 ; _database_code_amcsd 0012553 _chemical_formula_sum 'Cs Al F4' _cell_length_a 10.5576 _cell_length_b 6.7500 _cell_length_c 17.5954 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1253.915 _exptl_crystal_density_diffrn 3.748 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cs1 0.19200 0.25000 0.81790 Cs2 0.37760 0.25000 0.04130 Cs3 0.06640 0.25000 0.22860 Al1 0.26260 0.75000 0.92080 Al2 0.00000 0.00000 0.00000 Al3 0.29370 0.25000 0.62990 F1 0.20370 0.04800 0.65990 F2 0.29000 0.25000 0.32570 F3 0.22540 0.25000 0.53210 F4 0.44320 0.75000 0.50810 F5 0.36860 0.07000 0.44150 F6 0.41550 0.43500 0.58100 F7 0.39950 0.25000 0.71090 F8 0.36840 0.57000 0.91440