data_global _chemical_name_mineral 'Scapolite' loop_ _publ_author_name 'Peterson R C' 'Donnay G' 'Le Page Y' _journal_name_full 'The Canadian Mineralogist' _journal_volume 17 _journal_year 1979 _journal_page_first 53 _journal_page_last 61 _publ_section_title ; Sulfate disorder in scapolite ; _database_code_amcsd 0005159 _chemical_formula_sum 'Ca2.92 Na.92 Si2.36 Al3.28 O26.24 C.68 S.29 Cl.03' _cell_length_a 12.158 _cell_length_b 12.158 _cell_length_c 7.573 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1119.418 _exptl_crystal_density_diffrn 2.170 _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 Ca 0.35783 0.28298 0.50000 0.73000 Na 0.35783 0.28298 0.50000 0.23000 Si 0.33916 0.40831 0.00000 0.59000 Al 0.66023 0.91311 0.79306 0.41000 O1 0.45805 0.34810 0.00000 1.00000 O2 0.68670 0.87309 0.00000 1.00000 O3 0.34942 0.94961 0.79280 1.00000 O5 0.26668 0.36560 0.82610 1.00000 O7 0.50700 0.38500 0.50000 0.16000 O8 0.60200 0.53300 0.50000 0.16000 O9 0.41500 0.53500 0.50000 0.16000 O10 0.59960 0.51770 0.60600 0.04000 C 0.49250 0.51300 0.50000 0.17000 S 0.50000 0.50000 0.50000 0.29000 Cl 0.50000 0.50000 0.50000 0.03000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ca 0.01240 0.01620 0.03510 0.00390 0.00000 0.00000 Na 0.01240 0.01620 0.03510 0.00390 0.00000 0.00000 Si 0.00490 0.00620 0.00960 -0.00170 0.00000 0.00000 Al 0.00780 0.00770 0.00660 -0.00120 0.00010 0.00070 O1 0.00920 0.01610 0.02260 0.00110 0.00000 0.00000 O2 0.02040 0.01310 0.01050 0.00490 0.00000 0.00000 O3 0.01950 0.01690 0.01780 -0.00010 -0.00030 -0.00450 O5 0.00220 0.01520 0.03080 0.00460 -0.01650 -0.00400 O7 0.00200 0.00350 0.00600 -0.01970 0.00000 0.00000 O8 0.00400 0.01600 0.00600 -0.01400 0.00000 0.00000 O9 0.00700 0.00800 0.00120 0.00500 0.00000 0.00000 O10 0.03200 0.03600 0.04300 -0.00200 -0.01700 -0.00400 S 0.02140 0.02140 0.01940 0.00000 0.00000 0.00000 Cl 0.02140 0.02140 0.01940 0.00000 0.00000 0.00000