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: S16 ; _database_code_amcsd 0006229 _chemical_compound_source 'Sluydyanka, Russia' _chemical_formula_sum '(Ca3.12 Na.84 K.04) (Al5.16 Si6.84) O53.6 Cl.02 C2.84 S.27' _cell_length_a 12.1713 _cell_length_b 12.1713 _cell_length_c 7.5801 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1122.920 _exptl_crystal_density_diffrn 4.076 _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 0.35772 0.28246 0.00000 0.78000 0.02480 Na 0.35772 0.28246 0.00000 0.21000 0.02480 K 0.35772 0.28246 0.00000 0.01000 0.02480 Al1 0.16074 0.09196 0.00000 0.29000 0.00940 Si1 0.16074 0.09196 0.00000 0.71000 0.00940 Si2 0.16017 0.41304 0.20691 0.50000 0.01070 Al2 0.16017 0.41304 0.20691 0.50000 0.01070 O1 0.04150 0.15170 0.00000 1.00000 0.01790 O2 0.18660 0.37250 0.00000 1.00000 0.01640 O3 0.44944 0.15064 0.20650 1.00000 0.01920 O4 0.26683 0.36535 0.67330 1.00000 0.02230 O7 0.11200 0.01900 0.50000 1.00000 0.02700 O8 -0.06800 0.05600 0.50000 1.00000 0.13000 O9 -0.00500 -0.11800 0.50000 1.00000 0.25000 O10 0.02100 -0.09730 0.59400 1.00000 0.03600 Cl 0.00000 0.00000 0.50000 0.02000 0.01470 C 0.00900 -0.01400 0.50000 0.71000 -0.06200 O12 0.00900 -0.01400 0.50000 0.71000 -0.06200 O13 0.00900 -0.01400 0.50000 0.71000 -0.06200 O14 0.00900 -0.01400 0.50000 0.71000 -0.06200 S 0.00000 0.00000 0.50000 0.27000 0.01470 O15 0.00000 0.00000 0.50000 0.27000 0.01470 O16 0.00000 0.00000 0.50000 0.27000 0.01470 O17 0.00000 0.00000 0.50000 0.27000 0.01470 O18 0.00000 0.00000 0.50000 0.27000 0.01470