data_global _chemical_name_mineral 'Coquimbite' loop_ _publ_author_name 'Demartin F' 'Castellano C' 'Gramaccioli C M' 'Campostrini I' _journal_name_full 'The Canadian Mineralogist' _journal_volume 48 _journal_year 2010 _journal_page_first 323 _journal_page_last 333 _publ_section_title ; Aluminum-for-iron substitution, hydrogen bonding, and a novel structure-type in coquimbite-like minerals ; _database_code_amcsd 0006334 _chemical_compound_source 'La Alcaparrosa, Chile' _chemical_formula_sum 'Al.761 Fe3.239 S6 O42 H36' _cell_length_a 10.9370 _cell_length_b 10.9370 _cell_length_c 17.0813 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1769.490 _exptl_crystal_density_diffrn 2.068 _symmetry_space_group_name_H-M 'P -3 1 c' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x-y,-y,1/2+z' 'y,-x+y,-z' '-y,-x,1/2-z' '-x+y,-x,z' '-x,-x+y,1/2+z' '-x,-y,-z' '-x+y,y,1/2-z' '-y,x-y,z' 'y,x,1/2+z' 'x-y,x,-z' 'x,x-y,1/2-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 Al1 0.00000 0.00000 0.00000 0.76100 0.01350 Fe1 0.00000 0.00000 0.00000 0.23900 0.01350 Fe2 0.33333 0.66667 0.25000 1.00000 0.01147 Fe3 0.66667 0.33333 0.00250 1.00000 0.01703 S 0.24481 0.41517 0.12307 1.00000 0.01412 O1 0.31847 0.34563 0.09110 1.00000 0.02376 O2 0.10858 0.31136 0.15507 1.00000 0.02223 O3 0.21976 0.49418 0.06020 1.00000 0.02146 O4 0.33579 0.51624 0.18451 1.00000 0.01732 OW1 0.16668 0.07066 0.06225 1.00000 0.02367 OW2 0.44922 0.11635 0.20994 1.00000 0.03175 OW3 0.57200 0.16221 0.07123 1.00000 0.02949 H11 0.18510 0.02050 0.09240 1.00000 0.08500 H12 0.22640 0.15450 0.07600 1.00000 0.07300 H21 0.37220 0.03840 0.20910 1.00000 0.04000 H22a 0.50680 0.10200 0.23630 0.50000 0.04400 H22b 0.43420 0.17290 0.23620 0.50000 0.03400 H31 0.59300 0.09870 0.07510 1.00000 0.06000 H32 0.53170 0.15280 0.11420 1.00000 0.04100 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 Al1 0.01171 0.01171 0.01707 0.00586 0.00000 0.00000 Fe1 0.01171 0.01171 0.01707 0.00586 0.00000 0.00000 Fe2 0.01087 0.01087 0.01265 0.00544 0.00000 0.00000 Fe3 0.01800 0.01800 0.01508 0.00900 0.00000 0.00000 S 0.01402 0.01139 0.01586 0.00554 -0.00059 -0.00226 O1 0.02056 0.01930 0.03250 0.01076 -0.00008 -0.00920 O2 0.01748 0.01813 0.02390 0.00352 0.00309 0.00037 O3 0.02232 0.01950 0.01972 0.00832 -0.00414 0.00171 O4 0.01841 0.01524 0.01858 0.00861 -0.00413 -0.00573 OW1 0.02285 0.01619 0.03060 0.00870 -0.00893 -0.00207 OW2 0.03130 0.02680 0.03140 0.01032 0.00318 -0.00226 OW3 0.03932 0.02753 0.02730 0.02098 0.01408 0.01067