data_global _chemical_name_mineral 'Datolite' loop_ _publ_author_name 'Ivanov Y V' 'Belokoneva E L' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 63 _journal_year 2007 _journal_page_first 49 _journal_page_last 55 _publ_section_title ; Multipole refinement and electron density analysis in natural borosilicate datolite using X-ray diffraction data ; _database_code_amcsd 0009947 _chemical_compound_source 'datolite-hedenbergite scarn deposit, Tetyche, Sikhote-Alin mountains' _chemical_formula_sum 'Ca B Si O5 H' _cell_length_a 9.646 _cell_length_b 7.620 _cell_length_c 4.839 _cell_angle_alpha 90 _cell_angle_beta 90.14 _cell_angle_gamma 90 _cell_volume 355.678 _exptl_crystal_density_diffrn 2.988 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-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 0.33610 0.10613 0.99161 0.00639 B 0.34077 0.41057 0.56786 0.00540 Si 0.08438 0.26617 0.46891 0.00425 O1 0.03739 0.40109 0.24048 0.00740 O2 0.45730 0.30115 0.67017 0.00630 O3 0.21047 0.33474 0.67514 0.00630 O4 0.14598 0.08787 0.31499 0.00700 O5 0.33680 0.41344 0.25851 0.00730 H 0.58400 0.55200 0.82900 0.03600 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 0.00589 0.00680 0.00647 -0.00007 0.00041 -0.00047 B 0.00482 0.00566 0.00583 -0.00014 0.00031 -0.00006 Si 0.00371 0.00411 0.00492 -0.00028 0.00006 0.00032 O1 0.00735 0.00702 0.00792 -0.00029 -0.00136 0.00287 O2 0.00488 0.00751 0.00637 0.00201 0.00101 0.00095 O3 0.00451 0.00832 0.00601 -0.00182 -0.00005 0.00027 O4 0.00888 0.00427 0.00798 0.00083 0.00233 0.00022 O5 0.00700 0.00978 0.00509 -0.00055 0.00020 0.00063