data_global _chemical_name_mineral 'Carminite' loop_ _publ_author_name 'Finney J J' _journal_name_full 'American Mineralogist' _journal_volume 48 _journal_year 1963 _journal_page_first 1 _journal_page_last 13 _publ_section_title ; The crystal structure of carminite ; _database_code_amcsd 0000118 _chemical_formula_sum 'Pb As2 Fe2 O10 H2' _cell_length_a 16.595 _cell_length_b 7.580 _cell_length_c 12.295 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1546.589 _exptl_crystal_density_diffrn 5.418 _symmetry_space_group_name_H-M 'C c c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,y,1/2+z' '1/2-x,1/2+y,1/2+z' 'x,-y,1/2-z' '1/2+x,1/2-y,1/2-z' 'x,y,-z' '1/2+x,1/2+y,-z' '-x,-y,z' '1/2-x,1/2-y,z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb1 0.00000 0.00000 0.25000 0.00899 Pb2 0.25000 0.75000 0.00000 0.00456 As1 0.04270 0.74030 0.00000 0.02128 As2 0.21110 0.00000 0.25000 0.00887 Fe 0.37780 0.13090 0.13600 0.00507 O1 0.01820 0.24040 0.11530 0.01165 O2 0.09490 0.53170 0.00000 0.02837 O3 0.11360 -0.10550 0.00000 ? O4 0.15250 0.17410 0.24110 0.01001 O5 0.27210 -0.01290 0.14500 0.00735 O-H1 0.16560 0.25890 0.00000 ? O-H2 0.43030 0.00000 0.25000 0.01140