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: 40BAV ; _database_code_amcsd 0019896 _chemical_compound_source 'Lily Pad Lake, Fort Hope, Ontario, Canada' _chemical_formula_sum 'Na.03 Ca3.932 Si9.038 Be2.942 Al1.02 O28 H2' _cell_length_a 23.1895 _cell_length_b 4.9725 _cell_length_c 19.4488 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2242.637 _exptl_crystal_density_diffrn 2.713 _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 0.08215 0.25394 0.15377 0.00750 0.01369 Ca 0.08215 0.25394 0.15377 0.98300 0.01369 SiT1 0.00000 0.77210 0.25000 1.00000 0.00900 BeT2 0.12437 0.82080 0.25000 1.00000 0.00630 SiT3 0.00000 0.72010 0.10421 0.52900 0.00950 BeT3 0.00000 0.72010 0.10421 0.47100 0.00950 SiT4 0.09375 0.50000 0.00000 0.49000 0.00700 AlT4 0.09375 0.50000 0.00000 0.51000 0.00700 SiT5 0.17016 0.00000 0.00000 1.00000 0.00972 SiT6 0.21392 0.86269 0.14405 1.00000 0.00865 O1 0.00000 0.57290 0.18240 1.00000 0.01130 O2 0.00000 0.03540 0.10949 1.00000 0.01450 O3 0.05753 0.59550 0.06913 1.00000 0.01510 O4 0.13086 0.23870 0.03381 1.00000 0.01470 O5 0.20814 0.87350 0.06087 1.00000 0.01390 O6 0.23313 0.56020 0.16560 1.00000 0.01230 O7 0.15435 0.93940 0.18036 1.00000 0.01250 O8 0.12132 0.49390 0.25000 1.00000 0.01210 O9 0.05801 0.95540 0.25000 1.00000 0.00930 H8 0.16170 0.43000 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 0.01440 0.01590 0.01070 -0.00208 -0.00083 0.00163 Ca 0.01440 0.01590 0.01070 -0.00208 -0.00083 0.00163 SiT1 0.00680 0.00940 0.01090 0.00000 0.00000 0.00000 BeT2 0.00730 0.00780 0.00390 0.00120 0.00000 0.00000 SiT3 0.00870 0.01020 0.00960 0.00000 0.00000 -0.00060 BeT3 0.00870 0.01020 0.00960 0.00000 0.00000 -0.00060 SiT4 0.01100 0.00990 0.00770 0.00000 0.00000 -0.00030 AlT4 0.01100 0.00990 0.00770 0.00000 0.00000 -0.00030 SiT5 0.00930 0.01090 0.00906 0.00000 0.00000 -0.00120 SiT6 0.00890 0.00940 0.00770 0.00007 0.00080 0.00050 O1 0.01200 0.01250 0.00960 0.00000 0.00000 -0.00170 O2 0.01260 0.01030 0.00000 0.00000 0.00000 -0.00020 O3 0.01460 0.01650 0.01430 0.00410 0.00400 0.00060 O4 0.01400 0.01680 0.01330 0.00480 0.00030 -0.00300 O5 0.01550 0.01980 0.00650 0.00300 -0.00050 -0.00020 O6 0.01270 0.01050 0.01370 0.00230 0.00250 0.00110 O7 0.01160 0.01410 0.01180 0.00270 0.00460 0.00240 O8 0.00970 0.01070 0.01600 -0.00004 0.00000 0.00000 O9 0.00700 0.01020 0.01060 -0.00100 0.00000 0.00000