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: S9 ; _database_code_amcsd 0006222 _chemical_compound_source 'Pamir, Tajikistan' _chemical_formula_sum '(Na2.52 Ca1.28 K.2) (Al3.84 Si8.16) O47.56 Cl.63 C1.04 S.11' _cell_length_a 12.0793 _cell_length_b 12.0793 _cell_length_c 7.5842 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1106.607 _exptl_crystal_density_diffrn 3.749 _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 0.11425 0.03687 0.73840 0.63000 0.02990 Ca 0.11425 0.03687 0.73840 0.32000 0.02990 K 0.11425 0.03687 0.73840 0.05000 0.02990 Al1 0.58893 0.65954 0.74760 0.01000 0.00810 Si1 0.58893 0.65954 0.74760 0.99000 0.00810 Si2 0.91002 0.16575 0.54782 0.17000 0.00900 Al2 0.91002 0.16575 0.54782 0.83000 0.00900 Si3 0.66315 0.08604 0.46062 0.88000 0.00880 Al3 0.66315 0.08604 0.46062 0.12000 0.00880 O1 0.70830 0.60130 0.75210 1.00000 0.01410 O2 0.94220 0.12690 0.76020 1.00000 0.01540 O3 0.60020 0.19210 0.54280 1.00000 0.01750 O4 0.79630 0.09720 0.46710 1.00000 0.01730 O5 0.61870 0.97990 0.92130 1.00000 0.01740 O6 0.52160 0.62160 0.92270 1.00000 0.01630 Cl 0.25000 0.25000 0.75000 0.63000 0.04710 C 0.26700 0.25200 0.74400 0.26000 0.31000 O12 0.26700 0.25200 0.74400 0.26000 0.31000 O13 0.26700 0.25200 0.74400 0.26000 0.31000 O14 0.26700 0.25200 0.74400 0.26000 0.31000 S 0.25000 0.25000 0.75000 0.11000 0.04710 O15 0.25000 0.25000 0.75000 0.11000 0.04710 O16 0.25000 0.25000 0.75000 0.11000 0.04710 O17 0.25000 0.25000 0.75000 0.11000 0.04710 O18 0.25000 0.25000 0.75000 0.11000 0.04710 O7 0.37400 0.26100 0.73000 1.00000 0.02500 O8 0.21000 0.34300 0.75000 1.00000 0.06000 O9 0.22200 0.15800 0.76000 1.00000 0.07400 O10 0.35700 0.26800 0.82000 1.00000 0.03600 O11 0.34800 0.26500 0.64800 1.00000 0.01300