data_global _chemical_name_mineral 'Leiteite' loop_ _publ_author_name 'Ghose S' 'Sen Gupta P K' 'Schlemper E O' _journal_name_full 'American Mineralogist' _journal_volume 72 _journal_year 1987 _journal_page_first 629 _journal_page_last 632 _publ_section_title ; Leiteite, ZnAs2O4: A novel type of tetrahedral layer structure with arsenite chains ; _database_code_amcsd 0001093 _chemical_formula_sum 'As2 Zn O4' _cell_length_a 4.542 _cell_length_b 5.022 _cell_length_c 17.597 _cell_angle_alpha 90 _cell_angle_beta 90.81 _cell_angle_gamma 90 _cell_volume 401.346 _exptl_crystal_density_diffrn 4.621 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-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 As1 0.99200 0.21360 0.90560 As2 0.48930 0.77510 0.90800 Zn 0.25470 0.48690 0.75110 O1 0.60780 0.11900 0.91110 O2 0.10650 -0.13000 0.91530 O3 0.00700 0.23760 0.80720 O4 0.50900 -0.26160 0.81080 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 As1 0.00620 0.01050 0.02090 -0.00080 -0.00020 -0.00070 As2 0.00420 0.00860 0.02320 0.00040 0.00020 0.00020 Zn 0.00720 0.00950 0.02510 -0.00030 0.00000 0.00030 O1 0.01280 0.01570 0.02660 0.00020 -0.00040 0.00080 O2 0.00220 0.01110 0.02640 0.00070 0.00000 0.00140 O3 0.01390 0.00620 0.04690 -0.00220 -0.00190 -0.00060 O4 0.00840 0.01450 0.03750 -0.00100 0.00110 0.00020