#------------------------------------------------------------------------------ #$Date: 2015-10-10 03:36:35 +0100 (Sat, 10 Oct 2015) $ #$Revision: 164491 $ #$URL: svn://www.crystallography.net/cod/cif/8/10/41/8104140.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_8104140 loop_ _publ_author_name 'Elaatmani, M.' 'Zegzouti, A.' 'Capitelli, F.' 'Moliterni, A.G.G.' 'Calestani, G.' 'Migliori, A.' _publ_section_title ; Synthesis, X-ray crystal structure and dielectric measurements of a tetragonal tungsten bronze: Pb0.75 K1.80 Li1.70 Nb5 O15 ; _journal_name_full 'Zeitschrift fuer Kristallographie (149,1979-)' _journal_page_first 26 _journal_page_last 31 _journal_volume 218 _journal_year 2003 _chemical_formula_sum 'K1.8 Li1.7 Nb5 O15 Pb0.75' _chemical_name_systematic 'Pb0.75 K1.8 Li1.7 Nb5 O15' _space_group_IT_number 100 _symmetry_space_group_name_Hall 'P 4 -2ab' _symmetry_space_group_name_H-M 'P 4 b m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 12.54 _cell_length_b 12.54 _cell_length_c 4.037 _cell_volume 634.825 _citation_journal_id_ASTM ZEKRDZ _cod_data_source_file Elaatmani_ZEKRDZ_2003_729.cif _cod_data_source_block K1.8Li1.7Nb5O15Pb0.75 _cod_original_cell_volume 634.8247 _cod_database_code 8104140 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x,z -x,-y,z y,-x,z -x+1/2,y+1/2,z -y+1/2,-x+1/2,z x+1/2,-y+1/2,z y+1/2,x+1/2,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 O1 O-2 0.6398 0.5688 0.4487 1 0.0 O5 O-2 0.579 0.7122 0.9601 1 0.0 Pb1 Pb+2 0.5 0.5 0.9985 0.538 0.0 O3 O-2 0.712 0.788 0.4489 1 0.0 Nb2 Nb+5 0.5 0 0.4934 1 0.0 O2 O-2 0.5001 0.8446 0.5571 1 0.0 Nb1 Nb+5 0.57514 0.70994 0.5029 1 0.0 Li1 Li+1 0.6217 0.8783 0.957 0.848 0.0 O4 O-2 0.5 1 0.953 1 0.0 Pb2 Pb+2 0.848 0.6887 0.0543 0.053 0.0 K1 K+1 0.8292 0.6708 0.9823 0.901 0.0