data_global _chemical_name_mineral 'Marialite' loop_ _publ_author_name 'Antao S M' 'Hassan I' _journal_name_full 'The Canadian Mineralogist' _journal_volume 46 _journal_year 2008 _journal_page_first 1577 _journal_page_last 1591 _publ_section_title ; Increase in Al-Si and Na-Ca disorder with temperature in scapolite Me32.9 Note: T = 25 C (HRPXRD) Note: 32.9% Meionite, 67.1% Marialite ; _database_code_amcsd 0006232 _chemical_compound_source 'Monmouth Township, Ontario, Canada' _chemical_formula_sum '(Ca1.24 Na2.76) Si8.44 Al3.56 O28 (Cl.76 C.24)' _cell_length_a 12.06503 _cell_length_b 12.06503 _cell_length_c 7.58360 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1103.906 _exptl_crystal_density_diffrn 2.780 _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 Ca 0.61580 0.53770 0.76160 0.31000 0.03060 Na 0.61580 0.53770 0.76160 0.69000 0.03060 Si1 0.58960 0.65940 0.24720 1.00000 0.00780 Al2 0.91030 0.16530 0.04820 0.87000 0.00830 Si2 0.91030 0.16530 0.04820 0.13000 0.00830 Al3 0.66360 0.08570 0.96000 0.02000 0.01050 Si3 0.66360 0.08570 0.96000 0.98000 0.01050 O1 0.70810 0.60150 0.25070 1.00000 0.01500 Cl 0.75000 0.75000 0.75000 0.76000 0.06640 C 0.75000 0.75000 0.75000 0.24000 0.06640 O2 0.94300 0.12810 0.26390 1.00000 0.02030 O3 0.60030 0.19310 0.04190 1.00000 0.02630 O4 0.79530 0.09900 0.96670 1.00000 0.02190 O5 0.51920 0.62040 0.08200 1.00000 0.01280 O6 0.62280 0.97820 0.07430 1.00000 0.02370 O7 0.76450 0.64050 0.73870 1.00000 0.04800 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 0.02430 0.02580 0.04170 0.01630 0.00420 -0.00130 Na 0.02430 0.02580 0.04170 0.01630 0.00420 -0.00130 Si1 0.00770 0.00630 0.00950 -0.00080 0.00010 -0.00120 Al2 0.00830 0.00780 0.00870 -0.00240 -0.00170 0.00580 Si2 0.00830 0.00780 0.00870 -0.00240 -0.00170 0.00580 Al3 0.01510 0.01050 0.00590 -0.00050 0.00140 0.00310 Si3 0.01510 0.01050 0.00590 -0.00050 0.00140 0.00310 O1 0.01640 0.01640 0.01210 0.00140 0.00360 0.01530 Cl 0.07540 0.07540 0.04840 0.00000 0.00000 0.00000 C 0.07540 0.07540 0.04840 0.00000 0.00000 0.00000 O2 0.02980 0.02090 0.01010 0.00850 -0.00320 0.01840 O3 0.03440 0.01800 0.02650 -0.01720 0.00320 -0.00800 O4 0.03650 0.02080 0.00840 -0.01510 -0.00510 0.00150 O5 0.02200 0.00720 0.00910 0.00370 -0.03200 0.00030 O6 0.00220 0.03610 0.03260 -0.00390 0.00160 -0.02500