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: S10 ; _database_code_amcsd 0006223 _chemical_compound_source 'Monte Somma, Italy' _chemical_formula_sum '(Na2.16 Ca1.68 K.16) (Al4.16 Si7.84) O45.12 Cl.48 C1.52 S.14' _cell_length_a 12.0915 _cell_length_b 12.0915 _cell_length_c 7.5841 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1108.829 _exptl_crystal_density_diffrn 3.646 _symmetry_space_group_name_H-M 'P 42/n' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,1/2-x,1/2-z' '-y,1/2+x,1/2+z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '1/2-y,x,1/2-z' '1/2+y,-x,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 Na 0.11230 0.03559 0.73645 0.54000 0.02710 Ca 0.11230 0.03559 0.73645 0.42000 0.02710 K 0.11230 0.03559 0.73645 0.04000 0.02710 Al1 0.58912 0.65920 0.74736 0.05000 0.00820 Si1 0.58912 0.65920 0.74736 0.95000 0.00820 Si2 0.90915 0.16586 0.54861 0.07000 0.00950 Al2 0.90915 0.16586 0.54861 0.93000 0.00950 Si3 0.66245 0.08586 0.46135 0.94000 0.00850 Al3 0.66245 0.08586 0.46135 0.06000 0.00850 O1 0.70840 0.60120 0.75220 1.00000 0.01440 O2 0.94120 0.12550 0.76220 1.00000 0.01470 O3 0.60040 0.19100 0.54540 1.00000 0.01660 O4 0.79470 0.09680 0.46660 1.00000 0.01660 O5 0.61770 0.98060 0.92070 1.00000 0.01800 O6 0.52160 0.62130 0.92380 1.00000 0.01630 Cl 0.25000 0.25000 0.75000 0.48000 0.03920 C 0.26100 0.25000 0.71000 0.38000 0.12000 O12 0.26100 0.25000 0.71000 0.38000 0.12000 O13 0.26100 0.25000 0.71000 0.38000 0.12000 O14 0.26100 0.25000 0.71000 0.38000 0.12000 S 0.25000 0.25000 0.75000 0.14000 0.03920 O15 0.25000 0.25000 0.75000 0.14000 0.03920 O16 0.25000 0.25000 0.75000 0.14000 0.03920 O17 0.25000 0.25000 0.75000 0.14000 0.03920 O18 0.25000 0.25000 0.75000 0.14000 0.03920 O7 0.36600 0.26200 0.74900 1.00000 0.01800 O8 0.21400 0.34700 0.71500 1.00000 0.07300 O9 0.21200 0.16200 0.75000 1.00000 0.10000 O11 0.35300 0.26600 0.66500 1.00000 0.04300