data_global _chemical_name_mineral 'Datolite' loop_ _publ_author_name 'Perchiazzi N' 'Gualtieri A F' 'Merlino S' 'Kampf A R' _journal_name_full 'American Mineralogist' _journal_volume 89 _journal_year 2004 _journal_page_first 767 _journal_page_last 776 _publ_section_title ; The atomic structure of bakerite and its relationship to datolite Sample: #45837, single crystal data ; _database_code_amcsd 0003540 _chemical_formula_sum 'Ca Si B O5 H' _cell_length_a 4.850 _cell_length_b 7.627 _cell_length_c 9.659 _cell_angle_alpha 90 _cell_angle_beta 90.255 _cell_angle_gamma 90 _cell_volume 357.292 _exptl_crystal_density_diffrn 2.974 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca 0.99160 0.10660 0.33570 0.01200 Si 0.46920 0.26570 0.08460 0.01100 B 0.56920 0.41070 0.34170 0.01000 O1 0.24300 0.40110 0.03740 0.01300 O2 0.67070 0.30060 0.45810 0.01100 O3 0.67550 0.33350 0.21070 0.01200 O4 0.31480 0.08770 0.14620 0.01100 O5 0.25870 0.41300 0.33560 0.01200 H 0.23400 0.45500 0.40100 0.02000 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 0.01100 0.01200 0.01300 0.00000 0.00100 0.00000 Si 0.01100 0.01100 0.01100 0.00000 0.00100 -0.00100 B 0.00800 0.01100 0.01200 0.00100 -0.00100 -0.00200 O1 0.01300 0.01300 0.01400 0.00200 -0.00100 -0.00100 O2 0.00800 0.01400 0.01300 0.00100 0.00000 0.00100 O3 0.01000 0.01400 0.01200 0.00000 -0.00100 -0.00100 O4 0.01000 0.01000 0.01500 -0.00100 0.00300 0.00100 O5 0.01000 0.01500 0.01200 0.00200 0.00100 -0.00200