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: 14BAV ; _database_code_amcsd 0019880 _chemical_compound_source 'Sandvik Property, Zealand Twp., Kenora District, Ontario' _chemical_formula_sum 'Na.026 Ca3.977 Si8.997 Be3.08 Al.923 O28 H2' _cell_length_a 23.2066 _cell_length_b 4.9681 _cell_length_c 19.4085 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2237.659 _exptl_crystal_density_diffrn 2.717 _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 0.08246 0.25474 0.15347 0.00650 0.01302 Ca 0.08246 0.25474 0.15347 0.99425 0.01302 SiT1 0.00000 0.77420 0.25000 1.00000 0.00790 BeT2 0.12439 0.82230 0.25000 1.00000 0.00920 SiT3 0.00000 0.72200 0.10354 0.46000 0.00870 BeT3 0.00000 0.72200 0.10354 0.54000 0.00870 SiT4 0.09334 0.50000 0.00000 0.53850 0.00660 AlT4 0.09334 0.50000 0.00000 0.46150 0.00660 SiT5 0.16995 0.00000 0.00000 1.00000 0.00950 SiT6 0.21395 0.86276 0.14434 1.00000 0.00823 O1 0.00000 0.57480 0.18191 1.00000 0.00970 O2 0.00000 0.03630 0.10896 1.00000 0.01120 O3 0.05747 0.59530 0.06855 1.00000 0.01450 O4 0.13050 0.24120 0.03336 1.00000 0.01460 O5 0.20823 0.87380 0.06105 1.00000 0.01340 O6 0.23308 0.56030 0.16616 1.00000 0.01120 O7 0.15415 0.93970 0.18013 1.00000 0.01160 O8 0.12117 0.49470 0.25000 1.00000 0.01060 O9 0.05786 0.95740 0.25000 1.00000 0.00880 H8 0.16220 0.44800 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 0.01280 0.01470 0.01160 -0.00140 -0.00087 0.00141 Ca 0.01280 0.01470 0.01160 -0.00140 -0.00087 0.00141 SiT1 0.00600 0.00880 0.00900 0.00000 0.00000 0.00000 BeT2 0.00790 0.00900 0.01020 0.00010 0.00000 0.00000 SiT3 0.00830 0.00950 0.00870 0.00000 0.00000 -0.00020 BeT3 0.00830 0.00950 0.00870 0.00000 0.00000 -0.00020 SiT4 0.00750 0.00690 0.00530 0.00000 0.00000 0.00010 AlT4 0.00750 0.00690 0.00530 0.00000 0.00000 0.00010 SiT5 0.00910 0.01030 0.00910 0.00000 0.00000 -0.00070 SiT6 0.00760 0.00850 0.00850 0.00040 0.00090 0.00040 O1 0.01130 0.00880 0.00910 0.00000 0.00000 -0.00050 O2 0.00810 0.00790 0.01780 0.00000 0.00000 0.00080 O3 0.01430 0.01670 0.01260 0.00470 0.00430 0.00060 O4 0.01500 0.01490 0.01390 0.00350 0.00020 -0.00260 O5 0.01370 0.01810 0.00850 0.00210 -0.00040 0.00050 O6 0.01140 0.00800 0.01450 0.00300 0.00230 0.00160 O7 0.00900 0.01240 0.01350 0.00220 0.00390 0.00280 O8 0.00800 0.00760 0.01640 0.00070 0.00000 0.00000 O9 0.00620 0.00880 0.01160 -0.00030 0.00000 0.00000