data_global _chemical_name_mineral 'Arsendescloizite' loop_ _publ_author_name 'Keller P' 'Lissner F' 'Schleid T' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 2003 _journal_year 2003 _journal_page_first 374 _journal_page_last 384 _publ_section_title ; The crystal structure of arsendescloizite, PbZn(OH)[AsO4], from Tsumeb (Namibia) ; _database_code_amcsd 0014924 _chemical_compound_source 'Tsumeb, Namibia' _chemical_formula_sum 'Pb Zn As O5 H' _cell_length_a 7.646 _cell_length_b 9.363 _cell_length_c 6.077 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 435.049 _exptl_crystal_density_diffrn 6.542 _symmetry_space_group_name_H-M 'P 21 21 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb 0.36712 0.17148 0.02753 0.01610 Zn 0.23436 0.50774 0.23869 0.01610 As 0.38125 0.81220 -0.01024 0.01010 O1 0.44250 0.42200 0.49320 0.01500 O2 0.29450 0.08300 0.44750 0.02000 O3 0.13630 0.28120 0.73040 0.01800 O4 0.60810 0.20390 0.73520 0.01300 O5 0.11120 0.56540 0.50570 0.01000 H 0.01800 0.49200 0.49000 0.13400 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 Pb 0.01350 0.01410 0.02060 -0.00010 0.00030 0.00080 Zn 0.01760 0.01920 0.01160 -0.00300 0.00230 -0.00070 As 0.00890 0.01060 0.01080 -0.00020 0.00050 -0.00070 O1 0.01100 0.01800 0.01500 0.00100 0.00400 0.00300 O2 0.01400 0.01600 0.02900 0.00300 0.00100 0.00300 O3 0.01800 0.02100 0.01500 -0.00200 -0.00100 -0.00500 O4 0.01400 0.01200 0.01300 -0.00100 0.00100 0.00200 O5 0.01500 0.00700 0.00800 -0.00200 0.00100 0.00200