data_global _chemical_name_mineral 'Bavenite' loop_ _publ_author_name 'Lussier A J' 'Hawthorne F C' _journal_name_full 'Mineralogical Magazine' _journal_volume 75 _journal_year 2011 _journal_page_first 213 _journal_page_last 239 _publ_section_title ; Short-range constraints on chemical and structural variations in bavenite Sample: 35BAV ; _database_code_amcsd 0019892 _chemical_compound_source 'Mont Saint-Hilaire, Quebec, Canada' _chemical_formula_sum 'Na.145 Ca3.803 Si9.052 Be3.358 Al.59 O28 H2' _cell_length_a 23.251 _cell_length_b 4.9734 _cell_length_c 19.4678 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2251.189 _exptl_crystal_density_diffrn 2.674 _symmetry_space_group_name_H-M 'C m c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,y,1/2-z' '1/2+x,1/2+y,1/2-z' '-x,-y,1/2+z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-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 0.08173 0.25840 0.15440 0.03625 0.01270 Ca 0.08173 0.25840 0.15440 0.95075 0.01270 SiT1 0.00000 0.77440 0.25000 1.00000 0.00650 BeT2 0.12420 0.82800 0.25000 1.00000 0.01000 SiT3 0.00000 0.72040 0.10300 0.32100 0.01050 BeT3 0.00000 0.72040 0.10300 0.67900 0.01050 SiT4 0.09319 0.50000 0.00000 0.70500 0.00700 AlT4 0.09319 0.50000 0.00000 0.29500 0.00700 SiT5 0.16995 0.00000 0.00000 1.00000 0.00810 SiT6 0.21375 0.86710 0.14453 1.00000 0.00670 O1 0.00000 0.57450 0.18180 1.00000 0.01010 O2 0.00000 0.03590 0.10830 1.00000 0.01210 O3 0.05761 0.59330 0.06826 1.00000 0.01270 O4 0.13070 0.24150 0.03230 1.00000 0.01310 O5 0.20778 0.87890 0.06122 1.00000 0.01210 O6 0.23297 0.56540 0.16575 1.00000 0.00920 O7 0.15418 0.94340 0.18020 1.00000 0.01010 O8 0.12110 0.49800 0.25000 1.00000 0.00960 O9 0.05780 0.95740 0.25000 1.00000 0.00790 H8 0.16020 0.42500 0.25000 1.00000 0.01500 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 Na 0.01390 0.01670 0.00750 -0.00050 -0.00060 0.00230 Ca 0.01390 0.01670 0.00750 -0.00050 -0.00060 0.00230 SiT1 0.00540 0.00880 0.00530 0.00000 0.00000 0.00000 BeT2 0.00900 0.01500 0.00500 0.00000 0.00000 0.00000 SiT3 0.01200 0.01500 0.00460 0.00000 0.00000 -0.00220 BeT3 0.01200 0.01500 0.00460 0.00000 0.00000 -0.00220 SiT4 0.01060 0.01040 0.00010 0.00000 0.00000 -0.00040 AlT4 0.01060 0.01040 0.00010 0.00000 0.00000 -0.00040 SiT5 0.00840 0.01170 0.00430 0.00000 0.00000 -0.00220 SiT6 0.00860 0.00940 0.00210 0.00010 -0.00030 -0.00040 O1 0.01200 0.01300 0.00600 0.00000 0.00000 -0.00200 O2 0.01400 0.00800 0.01400 0.00000 0.00000 0.00600 O3 0.01400 0.01700 0.00700 0.00500 0.00460 -0.00190 O4 0.01700 0.01500 0.00810 0.00240 -0.00120 -0.00580 O5 0.01500 0.01800 0.00280 0.00130 0.00250 0.00420 O6 0.01060 0.00800 0.00870 0.00230 0.00120 0.00490 O7 0.01200 0.01300 0.00560 -0.00070 0.00060 0.00280 O8 0.00700 0.00800 0.01500 0.00200 0.00000 0.00000 O9 0.00430 0.01500 0.00500 0.00000 0.00000 0.00000