data_global _chemical_name_mineral 'Bariopharmacosiderite' loop_ _publ_author_name 'Hager S L' 'Leverett P' 'Williams P A' 'Mills S J' 'Hibbs D E' 'Raudsepp M' 'Kampf A R' 'Birch W D' _journal_name_full 'The Canadian Mineralogist' _journal_volume 48 _journal_year 2010 _journal_page_first 1477 _journal_page_last 1485 _publ_section_title ; The single-crystal X-ray structures of bariopharmacosiderite-C, bariopharmacosiderite-Q and natropharmacosiderite Note: sample Bariopharmacosiderite-Q ; _database_code_amcsd 0020841 _chemical_compound_source 'Sunny Corner mine, Sunny Corner, New South Wales, Australia' _chemical_formula_sum 'Ba.5 Fe4 O22.16 As3 H16.32' _cell_length_a 7.947 _cell_length_b 7.947 _cell_length_c 8.049 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 508.333 _exptl_crystal_density_diffrn 2.900 _symmetry_space_group_name_H-M 'P -4 2 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,-x,-z' '-x,y,-z' '-x,-y,z' 'y,x,z' '-y,x,-z' 'x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ba 0.50000 0.50000 0.00000 0.50000 0.03300 Fe 0.14220 0.14220 0.14370 1.00000 0.00780 O-h2 0.88580 0.88580 0.88680 1.00000 0.01100 As1 0.00000 0.00000 0.50000 1.00000 0.01120 As2 0.50000 0.00000 0.00000 1.00000 0.01480 O1A 0.12480 0.12480 0.38300 1.00000 0.01600 O1B 0.12520 0.38550 0.12140 1.00000 0.01200 H 0.82800 0.82800 0.82100 1.00000 0.02000 Wat1A 0.33300 0.33300 0.74000 0.50000 0.01700 Wat1B 0.32600 0.25500 0.67300 0.14500 0.01500 Wat2A 0.50000 0.00000 0.50000 0.70000 0.02000 Wat2B 0.16000 0.50000 0.50000 0.30000 0.02200 Wat2C 0.50000 0.50000 0.12900 0.20000 0.01600 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ba 0.03300 0.03300 0.03300 0.00000 0.00000 0.00000 Fe 0.00640 0.00640 0.01100 -0.00040 -0.00040 -0.00040 O-h2 0.01400 0.01400 0.00700 -0.00100 -0.00100 -0.00100 As1 0.01100 0.01100 0.01200 0.00000 0.00000 0.00000 As2 0.00770 0.01900 0.01750 0.00000 0.00000 0.00000 O1A 0.01600 0.01600 0.01500 -0.00200 0.00000 0.00000 O1B 0.01400 0.00400 0.01600 -0.00200 -0.00400 0.00200