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 = 250 K ; _database_code_amcsd 0017706 _chemical_compound_source 'Valmozzola, Parma, Italy' _chemical_formula_sum 'Ca B Si O5 H' _cell_length_a 4.8330 _cell_length_b 7.6074 _cell_length_c 9.6310 _cell_angle_alpha 90 _cell_angle_beta 90.175 _cell_angle_gamma 90 _cell_volume 354.097 _exptl_crystal_density_diffrn 3.001 _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 0.00835 0.60620 0.16389 0.00560 B 0.56831 0.08931 -0.15912 0.00470 Si 0.46911 0.26634 0.08435 0.00380 O1 0.24073 0.40130 0.03729 0.00650 O2 0.67008 0.19905 -0.04246 0.00580 O3 0.67541 0.33463 0.21049 0.00560 O4 0.31504 0.08798 0.14594 0.00620 O5 0.25889 0.08654 -0.16348 0.00650 H 0.20700 0.05000 -0.09200 0.03500 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 0.00600 0.00610 0.00470 0.00040 0.00050 0.00010 B 0.00530 0.00530 0.00360 0.00040 0.00040 0.00010 Si 0.00470 0.00380 0.00290 0.00030 0.00020 -0.00010 O1 0.00700 0.00660 0.00600 0.00190 -0.00060 -0.00030 O2 0.00640 0.00660 0.00430 -0.00100 0.00070 -0.00170 O3 0.00590 0.00760 0.00320 0.00030 0.00070 -0.00130 O4 0.00710 0.00450 0.00700 0.00020 0.00250 0.00080 O5 0.00480 0.00910 0.00550 -0.00100 0.00060 0.00100