data_global _chemical_name_mineral 'Arsentsumebite' loop_ _publ_author_name 'Zubkova N V' 'Pushcharovsky D Y' 'Giester G' 'Tillmanns E' 'Pekov I V' 'Kleimenov D A' _journal_name_full 'Mineralogy and Petrology' _journal_volume 75 _journal_year 2002 _journal_page_first 79 _journal_page_last 88 _publ_section_title ; The crystal structure of arsentsumebite, Pb2Cu[(As,S)O4]2(OH) ; _database_code_amcsd 0014646 _chemical_compound_source 'oxidation zone of the Berezovskoye gold deposit, Middle Urals, Russia' _chemical_formula_sum 'Pb2 Cu (As S) (O9 H)' _cell_length_a 7.804 _cell_length_b 5.890 _cell_length_c 8.964 _cell_angle_alpha 90 _cell_angle_beta 112.29 _cell_angle_gamma 90 _cell_volume 381.246 _exptl_crystal_density_diffrn 6.359 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-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 Pb1 0.71630 0.25000 0.24120 1.00000 0.04306 Pb2 0.29870 0.25000 0.38690 1.00000 0.03546 Cu 0.00000 0.00000 0.00000 1.00000 0.01900 As1 0.55840 0.25000 -0.17150 0.63000 0.01267 S1 0.55840 0.25000 -0.17150 0.37000 0.01267 As2 -0.04490 0.25000 -0.35020 0.37000 0.01520 S2 -0.04490 0.25000 -0.35020 0.63000 0.01520 O-H1 0.17070 0.25000 0.08110 1.00000 0.01140 O2 -0.24130 0.25000 -0.46820 1.00000 0.03673 O3 0.09280 0.25000 0.55630 1.00000 0.06079 O4 0.43360 0.25000 0.93460 1.00000 0.04813 O5 0.77540 0.25000 -0.05430 1.00000 0.02660 O6 -0.00020 0.03020 -0.24100 1.00000 0.03293 O7 0.50990 0.02520 -0.28750 1.00000 0.03166