#------------------------------------------------------------------------------ #$Date: 2015-07-12 17:37:10 +0300 (Sun, 12 Jul 2015) $ #$Revision: 146862 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/58/1525806.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_1525806 loop_ _publ_author_name 'Chung, S.J.' 'Hahn, T.' _publ_section_title ; Tetrahedral-framework structures of (N H4) Li Be F4 and Cs Li Be F4 ; _journal_name_full 'Materials Research Bulletin' _journal_page_first 1209 _journal_page_last 1218 _journal_volume 7 _journal_year 1972 _chemical_formula_sum 'Be F4 H4 Li N' _chemical_name_systematic '(N H4) Li Be F4' _space_group_IT_number 29 _symmetry_space_group_name_Hall 'P 2c -2ac' _symmetry_space_group_name_H-M 'P c a 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.022 _cell_length_b 5.288 _cell_length_c 8.623 _cell_volume 411.389 _citation_journal_id_ASTM MRBUAC _cod_data_source_file Chung_MRBUAC_1972_1950.cif _cod_data_source_block H4Be1F4Li1N1 _cod_chemical_formula_sum_orig 'H4 Be1 F4 Li1 N1' _cod_database_code 1525806 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z+1/2 -x+1/2,y,z+1/2 x+1/2,-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 F2 F-1 0.4543 0.326 0.2436 1 0.0 F3 F-1 0.0596 0.2722 0.2624 1 0.0 F4 F-1 0.23 0.8893 0.2585 1 0.0 Li1 Li+1 0.4192 -0.0029 0.3115 1 0.0 H1 H+1 0.318 0.422 0.512 1 0.0 F1 F-1 0.0853 0.0032 0.0252 1 0.0 H2 H+1 0.248 0.66 0.522 1 0.0 H3 H+1 0.175 0.35 0.407 1 0.0 H4 H+1 0.163 0.488 0.589 1 0.0 Be1 Be+2 0.0825 0 0.2024 1 0.0 N1 N-3 0.2259 0.4952 0.5004 1 0.0