data_global _chemical_name_mineral 'Leisingite' loop_ _publ_author_name 'Margison S M' 'Grice J D' 'Groat L A' _journal_name_full 'The Canadian Mineralogist' _journal_volume 35 _journal_year 1997 _journal_page_first 759 _journal_page_last 763 _publ_section_title ; The crystal structure of leisingite, (Cu,Mg,Zn)2(Mg,Fe)TeO6.6H2O ; _database_code_amcsd 0005525 _chemical_formula_sum 'Te Cu2 Mg O12' _cell_length_a 5.316 _cell_length_b 5.316 _cell_length_c 9.719 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 237.860 _exptl_crystal_density_diffrn 3.288 _symmetry_space_group_name_H-M 'P -3 1 m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x-y,-y,z' 'y,-x+y,-z' '-y,-x,-z' '-x+y,-x,z' '-x,-x+y,z' '-x,-y,-z' '-x+y,y,-z' '-y,x-y,z' 'y,x,z' 'x-y,x,-z' 'x,x-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Te 0.00000 0.00000 0.00000 Cu 0.33333 0.66667 0.00000 Mg 0.00000 0.00000 0.50000 O1 0.30700 0.00000 0.10450 O2 0.30700 0.00000 0.37690 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 Te 0.01140 0.01140 0.06000 0.00570 0.00000 0.00000 Cu 0.01150 0.01150 0.03000 0.00580 0.00000 0.00000 Mg 0.01400 0.01400 0.03800 0.00710 0.00000 0.00000 O1 0.03100 0.03200 0.06300 0.01600 -0.01700 0.00000 O2 0.07900 0.24300 0.04500 0.12100 0.00000 0.00000