data_global _chemical_name_mineral 'Kapellasite' loop_ _publ_author_name 'Krause W' 'Bernhardt H J' 'Braithwaite R S W' 'Kolitsch U' 'Pritchard R' _journal_name_full 'Mineralogical Magazine' _journal_volume 70 _journal_year 2006 _journal_page_first 329 _journal_page_last 340 _publ_section_title ; Kapellasite, Cu3Zn(OH)6Cl2, a new mineral from Lavrion, Greece, and its crystal structure ; _database_code_amcsd 0014577 _chemical_compound_source 'Lavrion, Greece' _chemical_formula_sum 'Cu3 Zn Cl2.18 O5.82 H5.82' _cell_length_a 6.300 _cell_length_b 6.300 _cell_length_c 5.733 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 197.058 _exptl_crystal_density_diffrn 3.643 _symmetry_space_group_name_H-M 'P -3 m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,-x+y,-z' '-x,-x+y,-z' '-x+y,-x,z' '-x+y,y,z' '-x,-y,-z' 'y,x,-z' '-y,x-y,z' 'x,x-y,z' 'x-y,x,-z' 'x-y,-y,-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 Cu 0.50000 0.00000 0.50000 1.00000 0.01650 Zn 0.00000 0.00000 0.50000 1.00000 0.01760 Cl1 0.33333 0.66667 0.13730 1.00000 0.02510 Cl2 0.35440 0.17720 0.34540 0.03000 0.01610 O-H2 0.35440 0.17720 0.34540 0.97000 0.01610 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 Cu 0.01300 0.01530 0.02210 0.00760 0.00060 0.00120 Zn 0.01340 0.01340 0.02590 0.00670 0.00000 0.00000 Cl1 0.02760 0.02760 0.02000 0.01380 0.00000 0.00000 Cl2 0.01790 0.01550 0.01580 0.00900 -0.00120 0.00060 O-H2 0.01790 0.01550 0.01580 0.00900 -0.00120 0.00060