data_global _chemical_name_mineral 'Datolite' loop_ _publ_author_name 'Rinaldi R' 'Gatta G D' 'Angel R J' _journal_name_full 'American Mineralogist' _journal_volume 95 _journal_year 2010 _journal_page_first 1413 _journal_page_last 1421 _publ_section_title ; Crystal chemistry and low-temperature behavior of datolite: a single-crystal X-ray diffraction study Note: T = 190 K ; _database_code_amcsd 0017708 _chemical_compound_source 'Valmozzola, Parma, Italy' _chemical_formula_sum 'Ca B Si O5 H' _cell_length_a 4.8308 _cell_length_b 7.6011 _cell_length_c 9.6290 _cell_angle_alpha 90 _cell_angle_beta 90.176 _cell_angle_gamma 90 _cell_volume 353.569 _exptl_crystal_density_diffrn 3.005 _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 0.00821 0.60626 0.16395 0.00450 B 0.56919 0.08924 -0.15927 0.00410 Si 0.46940 0.26645 0.08429 0.00310 O1 0.24095 0.40161 0.03728 0.00540 O2 0.67107 0.19886 -0.04244 0.00480 O3 0.67594 0.33462 0.21057 0.00460 O4 0.31449 0.08821 0.14588 0.00510 O5 0.25875 0.08665 -0.16356 0.00550 H 0.20300 0.05370 -0.09010 0.02400 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 0.00470 0.00490 0.00390 0.00030 0.00030 0.00010 B 0.00440 0.00420 0.00370 0.00010 0.00010 -0.00010 Si 0.00380 0.00320 0.00230 0.00020 0.00010 -0.00020 O1 0.00590 0.00530 0.00490 0.00160 -0.00040 -0.00030 O2 0.00530 0.00550 0.00350 -0.00050 0.00060 -0.00150 O3 0.00510 0.00600 0.00280 0.00000 0.00010 -0.00110 O4 0.00580 0.00370 0.00590 0.00010 0.00180 0.00060 O5 0.00410 0.00760 0.00470 -0.00060 0.00030 0.00090