data_global _amcsd_formula_title 'H Mn O7 P2' loop_ _publ_author_name 'Durif A' 'Averbuch-Pouchot M' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 38 _journal_year 1982 _journal_page_first 2883 _journal_page_last 2885 _publ_section_title ; Structure du Diphosphate Acide de Manganese(III): Mn H P2 O7 _cod_database_code 1007088 ; _database_code_amcsd 0009783 _chemical_formula_sum 'Mn P2 O7 H' _cell_length_a 7.951 _cell_length_b 12.645 _cell_length_c 4.922 _cell_angle_alpha 90 _cell_angle_beta 100.92 _cell_angle_gamma 90 _cell_volume 485.899 _exptl_crystal_density_diffrn 3.143 _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 Mn1 -0.00446 0.37443 0.12650 P1 0.25090 0.46294 0.65250 P2 0.24230 0.17624 0.06250 O1 0.16300 0.07030 0.90860 O2 0.19830 0.40200 0.38680 O3 0.39010 0.20790 0.92810 O4 0.09900 0.48750 0.79360 O5 0.29370 0.14900 0.36660 O6 0.09430 0.25250 0.00320 O7 0.39680 0.40900 0.84630 H1 0.40600 0.34200 0.85000