#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/04/1000417.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1000417 loop_ _publ_author_name 'Hemon, A' 'Courbion, G' _publ_section_title ; The Na F - Ca F2 - Al F3 system: structures of $-beta- Na Ca Al F6 and Na4 Ca4 Al7 F33 ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 153 _journal_page_last 164 _journal_paper_doi 10.1016/0022-4596(90)90194-3 _journal_volume 84 _journal_year 1990 _chemical_formula_structural 'Na Ca (Al F5) F' _chemical_formula_sum 'Al Ca F6 Na' _chemical_name_systematic ; Sodium calcium pentafluoroaluminate fluoride - $-beta ; _space_group_IT_number 150 _symmetry_cell_setting trigonal _symmetry_Int_Tables_number 150 _symmetry_space_group_name_Hall 'P 3 2"' _symmetry_space_group_name_H-M 'P 3 2 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 3 _cell_length_a 8.9295(9) _cell_length_b 8.9295(9) _cell_length_c 5.0642(2) _cell_volume 349.7 _exptl_crystal_density_meas 2.88 _refine_ls_R_factor_all 0.032 _cod_database_code 1000417 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z y,x,-z -x,y-x,-z x-y,-y,-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ca1 Ca2+ 3 e 0.3720(3) 0. 0. 1. 0 d Na1 Na1+ 3 f 0.7145(6) 0. 0.5 1. 0 d Al1 Al3+ 1 a 0. 0. 0. 1. 0 d Al2 Al3+ 2 d 0.3333 0.6667 0.499(1) 1. 0 d F1 F1- 6 g 0.9136(5) 0.1041(6) 0.796(1) 1. 0 d F2 F1- 6 g 0.5541(5) 0.4101(6) 0.703(1) 1. 0 d F3 F1- 6 g 0.2517(6) 0.7771(7) 0.703(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Na1+ 1.000 Al3+ 3.000 F1- -1.000