data_global _chemical_name_mineral 'Synadelphite' loop_ _publ_author_name 'Moore P B' _journal_name_full 'American Mineralogist' _journal_volume 55 _journal_year 1970 _journal_page_first 2023 _journal_page_last 2037 _publ_section_title ; Crystal chemistry of the basic manganese arsenates: IV. Mixed arsenic valences in the crystal structure of synadelphite ; _database_code_amcsd 0000217 _chemical_formula_sum 'Mn9 As3 O22 H13' _cell_length_a 10.754 _cell_length_b 18.865 _cell_length_c 9.884 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2005.209 _exptl_crystal_density_diffrn 3.592 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mn1 0.29410 0.75000 0.38680 0.01115 Mn2 0.56130 0.66350 0.37290 0.01077 Mn3 0.82690 0.58630 0.36140 0.01039 Mn4 0.08870 0.50390 0.36270 0.01178 Mn5 0.35640 0.42250 0.35750 0.01330 As1 0.96720 0.75000 0.36180 0.00152 As2 0.32250 0.58110 0.56540 0.00152 O1 0.11510 0.75000 0.28540 0.01254 O-H2 0.47480 0.75000 0.48320 0.01684 O3 0.24010 0.65350 0.51630 0.01684 O4 0.40180 0.68180 0.23730 0.01672 O5 0.47140 0.58670 0.51760 0.01393 O-H6 0.66300 0.59270 0.24200 0.00912 O-H7 0.71580 0.64910 0.49970 0.01229 O8 0.74170 0.49400 0.49870 0.01115 O-H9 0.92930 0.51150 0.23810 0.00975 O-H10 0.97570 0.57260 0.49800 0.01406 O11 0.18380 0.42250 0.23490 0.01051 Wat12 0.41700 0.33060 0.22320 0.02533