data_global _chemical_name_mineral 'Belloite' loop_ _publ_author_name 'Wyckoff R W G' _journal_name_full 'Crystal Structures' _journal_volume 1 _journal_year 1963 _journal_page_first 282 _journal_page_last 287 _publ_section_title ; Second edition. Interscience Publishers, New York, New York ; _database_code_amcsd 0011830 _chemical_formula_sum 'Cu (O Cl) H' _cell_length_a 5.555 _cell_length_b 6.671 _cell_length_c 6.127 _cell_angle_alpha 90 _cell_angle_beta 114.88 _cell_angle_gamma 90 _cell_volume 205.978 _exptl_crystal_density_diffrn 3.741 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cu 0.25410 0.11730 -0.03190 O-H 0.15490 0.34930 0.12270 Cl 0.32200 0.41010 -0.31200