data_global _chemical_name_mineral 'Clinometaborite' loop_ _publ_author_name 'Freyhardt C C' 'Wiebcke M' 'Felsche J' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 56 _journal_year 2000 _journal_page_first 276 _journal_page_last 278 _publ_section_title ; The monoclinic and cubic phases of metaboric acid (precise redeterminations) ; _database_code_amcsd 0018653 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'B O2 H' _cell_length_a 6.758 _cell_length_b 8.844 _cell_length_c 7.075 _cell_angle_alpha 90 _cell_angle_beta 93.50 _cell_angle_gamma 90 _cell_volume 422.068 _exptl_crystal_density_diffrn 2.069 _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 B1 0.82973 -0.04305 0.23313 ? B2 0.97799 0.21057 0.26215 ? B3 0.67149 0.16278 0.40129 ? O1 0.99486 0.06010 0.21706 ? O2 0.81676 0.26220 0.35432 ? O3 0.68233 0.01329 0.35631 ? O4 0.87806 -0.19463 0.28819 ? O5 0.72270 -0.04719 0.03131 ? O6 0.51804 0.21638 0.49931 ? H1 0.63800 -0.13340 0.00600 0.04700 H2 0.82200 -0.05300 -0.07030 0.05100 H3 0.43670 0.13470 0.52690 0.03900 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 B1 0.00797 0.00388 0.01178 -0.00004 0.00394 -0.00032 B2 0.00788 0.00420 0.01121 -0.00041 0.00275 -0.00058 B3 0.00819 0.00480 0.01143 0.00057 0.00363 -0.00048 O1 0.00789 0.00376 0.01320 -0.00088 0.00417 -0.00123 O2 0.00953 0.00489 0.01783 -0.00085 0.00672 -0.00219 O3 0.00987 0.00441 0.01469 -0.00015 0.00682 -0.00105 O4 0.00966 0.00390 0.01601 0.00162 0.00549 0.00134 O5 0.01026 0.00778 0.01184 -0.00225 0.00267 -0.00057 O6 0.01098 0.00598 0.01801 0.00125 0.00834 -0.00018