#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/98/1529802.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_1529802 loop_ _publ_author_name 'Dib, A.' 'Roux, M.T.' 'Aleonard, S.' _publ_section_title ; Composes Pb2x K3/2-x Ln3/2-x F6 de type Gargarinite. Structure d'un cristal macle de K Pb La F6. Relations structurales avec les composes de types Na Nd F4 et K Ce F4 ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 47 _journal_page_last 55 _journal_volume 66 _journal_year 1987 _chemical_formula_sum 'F6 K La Pb' _chemical_name_systematic 'K Pb La F6' _space_group_IT_number 187 _symmetry_space_group_name_Hall 'P -6 2' _symmetry_space_group_name_H-M 'P -6 m 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 1 _cell_length_a 6.549 _cell_length_b 6.549 _cell_length_c 3.8039 _cell_volume 141.289 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Dib_JSSCBI_1987_1370.cif _cod_data_source_block F6K1La1Pb1 _cod_original_cell_volume 141.2894 _cod_original_formula_sum 'F6 K1 La1 Pb1' _cod_database_code 1529802 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+y,-x,-z -y,x-y,z x,y,-z -x+y,-x,z -y,x-y,-z -y,-x,-z -x+y,y,z x,x-y,-z -y,-x,z -x+y,y,-z x,x-y,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv K1 K+1 0.3333 0.6667 0.5 1 0.0 Pb1 Pb+2 0 0 0 0.5 0.0 La2 La+3 0.6667 0.3333 0.5 0.5 0.0 Pb2 Pb+2 0.6667 0.3333 0.5 0.5 0.0 F2 F-1 0.25 0.004 0.5 0.5 0.0 F1 F-1 0.411 0.358 0 0.5 0.0 La1 La+3 0 0 0 0.5 0.0