#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/02/1530235.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_1530235 loop_ _publ_author_name 'Kuznetsov, V.Ya.' 'Rogachev, D.L.' 'Sadikov, G.G.' 'Dikareva, L.M.' 'Porai-Koshits, M.A.' _publ_section_title ; Structure of the double fluoride and metaniobate of potassium K F (K Nb O3)4. Four types of coordination of the light atoms in the structure ; _journal_name_full 'Zhurnal Strukturnoi Khimii (Issue-No. from 1981)' _journal_page_first 142 _journal_page_last 147 _journal_volume 21 _journal_year 1980 _chemical_formula_sum 'F K5 Nb4 O12' _chemical_name_systematic 'K5 (Nb O3)4 F' _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 92.98 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.1061 _cell_length_b 11.817 _cell_length_c 11.867 _cell_volume 715.072 _citation_journal_id_ASTM ZSTKAI _cod_data_source_file Kuznetsov_ZSTKAI_1980_694.cif _cod_data_source_block F1K5Nb4O12 _cod_original_cell_volume 715.0721 _cod_original_sg_symbol_Hall '-P 2ybc (x-z,y,z)' _cod_original_formula_sum 'F1 K5 Nb4 O12' _cod_database_code 1530235 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,y+1/2,-z+1/2 -x,-y,-z 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 Nb1 Nb+5 0.0459 0.35725 0.97591 1 0.0 O3 O-2 0.332 0.3381 0.8811 1 0.0 K3 K+1 0.5 0.5 0.5 1 0.0 K1 K+1 0.0571 0.3554 0.3277 1 0.0 O2 O-2 0.2665 0.3719 0.1163 1 0.0 K2 K+1 0.0575 0.3275 0.6481 1 0.0 O4 O-2 0.8296 0.3969 0.8295 1 0.0 Nb2 Nb+5 0.5299 0.48585 0.85567 1 0.0 O1 O-2 0.7559 0.4595 0.0378 1 0.0 O5 O-2 0.4248 0.2804 0.4981 1 0.0 O6 O-2 0.5998 0.4789 0.2811 1 0.0 F1 F-1 0 0.5 0.5 1 0.0