data_global _chemical_name_mineral 'Ellestadite-(Cl)' loop_ _publ_author_name 'Saint-Jean S J' 'Hansen S' _journal_name_full 'Solid State Sciences' _journal_volume 7 _journal_year 2005 _journal_page_first 97 _journal_page_last 102 _publ_section_title ; Nonstoichiometry in chlorellestadite Sample: Nonstoichiometric ; _database_code_amcsd 0015529 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ca4.7 (Si1.5 S1.5) O12 Cl.4' _cell_length_a 9.5608 _cell_length_b 9.5608 _cell_length_c 6.8949 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 545.817 _exptl_crystal_density_diffrn 2.950 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-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 Ca1 0.33333 0.66667 0.00240 1.00000 0.03293 Ca2 0.25480 -0.00460 0.25000 0.90000 0.02660 Si 0.40250 0.37920 0.25000 0.50000 0.02533 S 0.40250 0.37920 0.25000 0.50000 0.02533 O1 0.32990 0.48350 0.25000 1.00000 0.03420 O2 0.57900 0.46400 0.25000 1.00000 0.03420 O3 0.34100 0.25350 0.07290 1.00000 0.03420 Cl 0.00000 0.00000 0.45100 0.20000 0.08739