data_global _chemical_name_mineral 'Damaraite' loop_ _publ_author_name 'Keller P' 'Lissner F' 'Schleid T' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 2001 _journal_year 2001 _journal_page_first 326 _journal_page_last 336 _publ_section_title ; Damaraite, Pb3O2(OH)Cl: crystal structure and new chemical formula ; _database_code_amcsd 0014912 _chemical_compound_source 'Kombat mine, Namibia' _chemical_formula_sum 'Pb3 O3 Cl H' _cell_length_a 5.813 _cell_length_b 6.921 _cell_length_c 15.192 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 611.201 _exptl_crystal_density_diffrn 7.673 _symmetry_space_group_name_H-M 'P m c 21' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' '-x,y,z' '-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 Pb1 0.50000 0.41368 0.30349 0.01940 Pb2 0.50000 0.20455 0.09124 0.01560 Pb3 0.50000 0.29299 0.53775 0.01580 Pb4 0.00000 0.46542 0.66357 0.01530 Pb5 0.00000 0.37603 0.93753 0.01690 Pb6 0.00000 0.07363 0.27427 0.01530 O1 0.24960 0.45710 0.04250 0.01800 O2 0.25200 0.28500 0.21230 0.02500 O-h3 0.50000 0.33280 0.69140 0.02530 O-h4 0.00000 0.29510 0.39080 0.04910 Cl1 0.00000 0.02950 0.56070 0.03060 Cl2 0.50000 0.05410 0.86410 0.03660 H1 0.50000 0.21000 0.72900 0.02000 H2 0.00000 0.17700 0.44200 0.02000 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 Pb1 0.01750 0.03020 0.01040 -0.00410 0.00000 0.00000 Pb2 0.01870 0.01250 0.01550 -0.00130 0.00000 0.00000 Pb3 0.01810 0.01260 0.01680 -0.00150 0.00000 0.00000 Pb4 0.01790 0.01500 0.01310 0.00190 0.00000 0.00000 Pb5 0.01760 0.02140 0.01160 -0.00360 0.00000 0.00000 Pb6 0.01840 0.01250 0.01500 0.00220 0.00000 0.00000 O1 0.02050 0.01260 0.02080 -0.00450 0.00430 -0.00110 O2 0.02850 0.03070 0.01590 0.01010 -0.00490 -0.00120 O-h3 0.04720 0.01190 0.01660 0.00090 0.00000 0.00000 O-h4 0.06740 0.05280 0.02690 -0.02250 0.00000 0.00000 Cl1 0.02850 0.03920 0.02400 0.00490 0.00000 0.00000 Cl2 0.03650 0.04310 0.03010 0.00550 0.00000 0.00000