data_global _amcsd_formula_title 'Be O6 P2' loop_ _publ_author_name 'Averbuch-Pouchot M' 'Durif A' 'Tordjman I' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 33 _journal_year 1977 _journal_page_first 3462 _journal_page_last 3464 _publ_section_title ; Structure cristalline du polyphosphate de beryllium: Be(PO3)2 (II) _cod_database_code 1007017 ; _database_code_amcsd 0009613 _chemical_formula_sum 'Be P2 O6' _cell_length_a 6.959 _cell_length_b 12.853 _cell_length_c 4.839 _cell_angle_alpha 90 _cell_angle_beta 106.79 _cell_angle_gamma 90 _cell_volume 414.369 _exptl_crystal_density_diffrn 2.676 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Be1 0.76410 0.06650 0.12880 P1 0.17111 0.13135 0.15001 P2 0.58107 0.15021 0.54924 O1 0.64960 0.26230 0.47270 O2 0.34510 0.15614 0.43460 O3 0.48910 0.38661 0.74400 O4 0.73360 0.44762 0.47100 O5 0.66260 0.07169 0.38780 O6 0.63320 0.13873 0.86690