data_global _chemical_name_mineral 'Olivenite' loop_ _publ_author_name 'Toman K' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 33 _journal_year 1977 _journal_page_first 2628 _journal_page_last 2631 _publ_section_title ; The symmetry and crystal structure of olivenite Sample: alpha = .23 ; _database_code_amcsd 0009598 _chemical_formula_sum 'As Cu2 O5 H' _cell_length_a 8.615 _cell_length_b 8.240 _cell_length_c 5.953 _cell_angle_alpha 90.0 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 422.589 _exptl_crystal_density_diffrn 4.448 _symmetry_space_group_name_H-M 'P 21/n 1 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 As 0.25000 0.26220 -0.01150 Cu1 -0.11780 0.36270 0.02190 Cu2 0.00070 0.00050 0.25110 O1 0.11100 0.39800 -0.05800 O2 0.41900 0.37000 0.00100 O-H3 -0.09900 0.13100 0.01300 O4 0.22200 0.16100 0.24000 O5 0.24800 0.13200 -0.21500