#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/56/1525664.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_1525664 loop_ _publ_author_name 'Belokoneva, E.L.' 'Stefanovich, S.Yu.' 'Dimitrova, O.V.' 'Korchemkina, T.A.' _publ_section_title ; Na0.5 Pb2 (B5 O9) Cl (O H)0.5, a new polar modification of hilgardite containing Na cations in the cavities of the framework. The OD-family of the 5:(2Delta+3*(box)) pentaborates:hilgardites, heidornite, probertite and ulexite ; _journal_name_full Kristallografiya _journal_page_first 814 _journal_page_last 823 _journal_volume 45 _journal_year 2000 _chemical_formula_sum 'B5 Cl H0.5 Na0.5 O9.5 Pb2' _chemical_name_systematic 'Na0.5 Pb2 (B5 O9) Cl (O H)0.5' _space_group_IT_number 34 _symmetry_space_group_name_Hall 'P 2 -2n' _symmetry_space_group_name_H-M 'P n n 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 11.51 _cell_length_b 11.45 _cell_length_c 6.563 _cell_volume 864.934 _citation_journal_id_ASTM KRISAJ _cod_data_source_file Belokoneva_KRISAJ_2000_188.cif _cod_data_source_block H0.5B5Cl1Na0.5O9.5Pb2 _cod_original_cell_volume 864.9345 _cod_original_formula_sum 'H0.5 B5 Cl1 Na0.5 O9.5 Pb2' _cod_database_code 1525664 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x+1/2,y+1/2,z+1/2 x+1/2,-y+1/2,z+1/2 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 B1 B+3 0.2447 0.017 0.317 1 0.0 O7 O-2 0.242 0.204 0.747 1 0.0 O4 O-2 0.334 0.236 0.417 1 0.0 B4 B+3 0.234 0.194 0.52 1 0.0 B3 B+3 0.515 0.24 0.978 1 0.0 O2 O-2 0.296 0.084 0.161 1 0.0 Cl2 Cl-1 0.571 0.056 0.545 0.5 0.0 Cl1 Cl-1 0 0 0.831 1 0.0 Na1 Na+1 0.5 0 0.185 1 0.0 O9 O-2 0.7786 0.0929 0.252 0.5 0.0 B2 B+3 0.808 0.2 0.349 1 0.0 O8 O-2 0.632 0.233 0.935 1 0.0 Pb2 Pb+2 0.7577 0.5461 0.3125 1 0.0 O3 O-2 0.782 0.203 0.573 1 0.0 O6 O-2 0.938 0.226 0.318 1 0.0 Pb1 Pb+2 0.0561 0.2252 0 1 0.0 O11 O-2 0.5 0 0.822 1 0.0 O1 O-2 0.205 0.068 0.491 1 0.0 O5 O-2 0.473 0.205 0.158 1 0.0 B5 B+3 0.343 0.205 0.199 1 0.0 O10 O-2 0.2739 0.002 0.6061 0.5 0.0