data_global _chemical_name_mineral 'Gordaite' loop_ _publ_author_name 'Adiwidjaja G' 'Friese K' 'Klaska K H' 'Schluter J' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 212 _journal_year 1997 _journal_page_first 704 _journal_page_last 707 _publ_section_title ; The crystal structure of gordaite NaZn4(SO4)(OH)6Cl*6H2O ; _database_code_amcsd 0011072 _chemical_compound_source 'San Francisco mine, Sierra Gorda, Chile' _chemical_formula_sum 'Zn4 Na S Cl O16 H18' _cell_length_a 8.3556 _cell_length_b 8.3556 _cell_length_c 13.025 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 787.524 _exptl_crystal_density_diffrn 2.641 _symmetry_space_group_name_H-M 'P -3' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,-x+y,-z' '-x+y,-x,z' '-x,-y,-z' '-y,x-y,z' 'x-y,x,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Zn1 0.00000 0.00000 0.86140 0.02360 Zn2 0.58510 0.87150 0.99640 0.02380 Na 0.66667 0.33333 0.41290 0.03580 S 0.33333 0.66667 0.22370 0.02430 Cl 0.00000 0.00000 0.31360 0.03540 O1 0.05880 0.24650 0.09310 0.02310 O2 0.47880 0.37210 0.07090 0.02220 O3 0.43910 0.31590 0.29150 0.04170 O4 0.39470 0.22310 0.52310 0.04400 O5 0.17540 0.49340 0.26070 0.03290 O6 0.33333 0.66667 0.10950 0.02630 H1 0.31300 0.22100 0.86100 0.05000 H2 0.63300 0.11300 0.15300 0.05000 H3 0.31700 0.22900 0.29300 0.05000 H4 0.52900 0.00200 0.27100 0.05000 H5 0.17200 0.41200 0.41800 0.05000 H6 0.06200 0.34500 0.49600 0.05000