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 = 160 K ; _database_code_amcsd 0017709 _chemical_compound_source 'Valmozzola, Parma, Italy' _chemical_formula_sum 'Ca B Si O5 H' _cell_length_a 4.8303 _cell_length_b 7.6011 _cell_length_c 9.6292 _cell_angle_alpha 90 _cell_angle_beta 90.180 _cell_angle_gamma 90 _cell_volume 353.540 _exptl_crystal_density_diffrn 3.006 _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 0.00823 0.60628 0.16398 0.00410 B 0.56915 0.08918 -0.15908 0.00390 Si 0.46953 0.26652 0.08426 0.00300 O1 0.24119 0.40174 0.03721 0.00500 O2 0.67100 0.19902 -0.04245 0.00450 O3 0.67631 0.33466 0.21064 0.00440 O4 0.31466 0.08819 0.14591 0.00470 O5 0.25889 0.08670 -0.16354 0.00500 H 0.21200 0.05220 -0.08680 0.03200 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 0.00430 0.00440 0.00360 0.00020 0.00040 0.00000 B 0.00410 0.00410 0.00350 -0.00020 0.00030 0.00020 Si 0.00350 0.00320 0.00240 0.00020 0.00020 -0.00010 O1 0.00530 0.00520 0.00460 0.00120 0.00000 -0.00040 O2 0.00480 0.00510 0.00360 -0.00050 0.00040 -0.00110 O3 0.00460 0.00560 0.00290 0.00010 0.00020 -0.00110 O4 0.00520 0.00310 0.00590 0.00010 0.00160 0.00060 O5 0.00360 0.00690 0.00440 -0.00060 0.00010 0.00090