data_global _chemical_name_mineral 'Scapolite' loop_ _publ_author_name 'Sokolova E' 'Hawthorne F C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 46 _journal_year 2008 _journal_page_first 1527 _journal_page_last 1554 _publ_section_title ; The crystal chemistry of the scapolite-group minerals. I. crystal structure and long-range order Note: S18 ; _database_code_amcsd 0006231 _chemical_compound_source 'Royal Ontario Museum' _chemical_formula_sum 'Ca3.72 Na.2 K.12 Si6.4 Al5.64 O47.4 Cl.03 C3.76 S.03' _cell_length_a 12.2077 _cell_length_b 12.2077 _cell_length_c 7.5832 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1130.109 _exptl_crystal_density_diffrn 3.808 _symmetry_space_group_name_H-M 'I 4/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-y,x,z' '1/2-y,1/2+x,1/2+z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'y,-x,z' '1/2+y,1/2-x,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-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 Ca 0.35652 0.28101 0.00000 0.93000 0.02560 Na 0.35652 0.28101 0.00000 0.05000 0.02560 K 0.35652 0.28101 0.00000 0.03000 0.02560 Si1 0.16045 0.09249 0.00000 0.64000 0.01010 Al2 0.16045 0.09249 0.00000 0.37000 0.01010 Si2 0.15994 0.41307 0.20705 0.48000 0.01090 Al2 0.15994 0.41307 0.20705 0.52000 0.01090 O1 0.04130 0.15260 0.00000 1.00000 0.01970 O2 0.18680 0.37280 0.00000 1.00000 0.01720 O3 0.44950 0.15068 0.20580 1.00000 0.01920 O4 0.26621 0.36400 0.67410 1.00000 0.02240 O7 0.11700 0.01800 0.50000 1.00000 0.02000 O8 -0.04700 0.08600 0.50000 1.00000 0.05400 O9 -0.02100 -0.09800 0.50000 1.00000 0.04700 Cl 0.00000 0.00000 0.50000 0.03000 0.10000 C 0.01000 0.00000 0.50000 0.94000 0.03200 O12 0.01000 0.00000 0.50000 0.94000 0.03200 O13 0.01000 0.00000 0.50000 0.94000 0.03200 O14 0.01000 0.00000 0.50000 0.94000 0.03200 S 0.00000 0.00000 0.50000 0.03000 0.10000 O15 0.00000 0.00000 0.50000 0.03000 0.10000 O16 0.00000 0.00000 0.50000 0.03000 0.10000 O17 0.00000 0.00000 0.50000 0.03000 0.10000 O18 0.00000 0.00000 0.50000 0.03000 0.10000