data_global _chemical_name_mineral 'Schulenbergite' loop_ _publ_author_name 'Mumme W G' 'Sarp H' 'Chiappero P J' _journal_name_full 'Archives des Sciences, Geneve' _journal_volume 47 _journal_year 1994 _journal_page_first 117 _journal_page_last 124 _publ_section_title ; A note on the crystal structure of schulenbergite ; _database_code_amcsd 0012035 _chemical_compound_source 'Cap Garonne Mine, Var, France' _chemical_formula_sum '(Cu5.999 Zn1.001) S2 O21 H15.99' _cell_length_a 8.211 _cell_length_b 8.211 _cell_length_c 7.106 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 414.904 _exptl_crystal_density_diffrn 3.454 _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_occupancy _atom_site_U_iso_or_equiv Cu1 0.43690 0.17610 0.00090 0.85700 0.01100 Zn1 0.43690 0.17610 0.00090 0.14300 0.01100 Cu2 0.00000 0.00000 0.00000 0.85700 0.01100 Zn2 0.00000 0.00000 0.00000 0.14300 0.01100 S 0.66667 0.33333 0.42800 1.00000 0.01100 O3 0.66667 0.33333 0.21830 1.00000 0.05100 O4 0.49370 0.19460 0.49190 1.00000 0.05100 O-H1 0.24530 0.19380 0.13820 0.77000 0.05100 Wat1 0.24530 0.19380 0.13820 0.23000 0.05100 O-H2 0.48530 0.39970 0.83960 0.77000 0.05100 Wat2 0.48530 0.39970 0.83960 0.23000 0.05100 O-H5 0.00000 0.00000 0.50000 0.77000 0.05100 Wat5 0.00000 0.00000 0.50000 0.23000 0.05100