data_global _chemical_name_mineral 'Clinoatacamite' loop_ _publ_author_name 'Malcherek T' 'Schluter J' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 65 _journal_year 2009 _journal_page_first 334 _journal_page_last 341 _publ_section_title ; Structures of the pseudo-trigonal polymorphs of Cu2(OH)3Cl Note: Sample #2 ; _database_code_amcsd 0017750 _chemical_compound_source 'Santa Catalina mine, Sierra Gorda district, Chile' _chemical_formula_sum 'Cu2 O3 H3 Cl' _cell_length_a 6.1226 _cell_length_b 6.8346 _cell_length_c 9.1841 _cell_angle_alpha 90 _cell_angle_beta 99.577 _cell_angle_gamma 90 _cell_volume 378.957 _exptl_crystal_density_diffrn 3.743 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cu1 0.00000 0.50000 0.50000 Cu2 0.00000 0.00000 0.00000 Cu3 0.25292 0.24557 0.74944 O1 0.28090 0.30560 0.54320 O2 0.41566 0.99450 0.76790 O3 0.26750 0.68450 0.54100 H1 0.22000 0.20000 0.47000 H2 0.58000 0.99300 0.78000 H3 0.23000 0.79000 0.47000 Cl 0.11240 0.99860 0.30610 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 Cu1 0.01300 0.01390 0.01290 -0.00060 0.00330 -0.00040 Cu2 0.01610 0.01640 0.01560 -0.00010 0.00670 -0.00030 Cu3 0.01810 0.01270 0.01560 0.00080 0.00570 0.00130 O1 0.03500 0.02100 0.01900 -0.01300 0.01100 -0.00700 O2 0.01700 0.01500 0.04000 0.00200 0.01500 -0.00200 O3 0.02900 0.01600 0.01900 0.00600 0.01000 0.00500 H1 0.16000 0.00000 0.00000 0.00000 0.00000 0.00000 H2 0.16000 0.00000 0.00000 0.00000 0.00000 0.00000 H3 0.16000 0.00000 0.00000 0.00000 0.00000 0.00000 Cl 0.01810 0.01870 0.01730 0.00020 0.00390 0.00080