data_global _amcsd_formula_title 'H2 O4 P Rb' loop_ _publ_author_name 'Averbuch-Pouchot M' 'Durif A' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 41 _journal_year 1985 _journal_page_first 665 _journal_page_last 667 _publ_section_title ; Structure of a New Form of Rubidium Dihydrogenphosphate, Rb H2 P O4 _cod_database_code 1007144 ; _database_code_amcsd 0010007 _chemical_formula_sum 'Rb P O4 H2' _cell_length_a 9.606 _cell_length_b 6.236 _cell_length_c 7.738 _cell_angle_alpha 90 _cell_angle_beta 109.07 _cell_angle_gamma 90 _cell_volume 438.091 _exptl_crystal_density_diffrn 2.766 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Rb1 0.28464 0.23830 0.26559 P1 0.48230 0.24580 0.75770 O1 0.44520 0.75510 0.39790 O2 0.93070 0.58390 0.09440 O3 0.67510 0.81980 0.33120 O4 0.00100 0.97470 0.16180 H1 0.50100 0.55000 0.07000 H2 0.34600 0.74000 0.37000