#------------------------------------------------------------------------------ #$Date: 2025-08-18 13:29:48 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301772 $ #$URL: svn://www.crystallography.net/cod/cif/1/01/08/1010879.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1010879 loop_ _publ_author_name 'Tazaki, H.' _publ_section_title ; The structure of orthorhombic metaboric acid, HBO~2~ (\a) ; _journal_coden_ASTM JSHAAO _journal_name_full ; Journal of Science of the Hiroshima University, Series A: Mathematics, Physics, Chemistry ; _journal_page_first 55 _journal_page_last 61 _journal_volume 10 _journal_year 1940 _chemical_formula_structural '(H B O2)' _chemical_formula_sum 'B H O2' _chemical_name_systematic 'metaboric acid - orthorhombic form' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2c 2ab' _symmetry_space_group_name_H-M 'P b n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 12 _cell_length_a 8.015 _cell_length_b 9.679 _cell_length_c 6.244 _cell_volume 484.4 _cod_original_formula_sum 'H B O2' _cod_database_code 1010879 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,1/2+y,1/2-z -x,-y,1/2+z 1/2+x,1/2-y,-z -x,-y,-z 1/2+x,1/2-y,1/2+z x,y,1/2-z 1/2-x,1/2+y,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag O1 O2- 4 c -0.079 0.055 0.25 1. 0 d O2 O2- 4 c -0.082 0.297 0.25 1. 0 d O3 O2- 4 c -0.079 0.539 0.25 1. 0 d O4 O2- 4 c 0.177 0.178 0.25 1. 0 d O5 O2- 4 c 0.177 0.416 0.25 1. 0 d O6 O2- 4 c 0.435 0.297 0.25 1. 0 d B1 B3+ 4 c 0.009 0.176 0.25 1. 0 d B2 B3+ 4 c 0.009 0.418 0.25 1. 0 d B3 B3+ 4 c 0.264 0.297 0.25 1. 0 d H1 H1+ 4 c 0.507 0.425 0.25 1. 0 d H2 H1+ 4 c 0.507 0.169 0.25 1. 0 d H3 H1+ 4 c 0.75 0.547 0.25 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number O2- -2.000 B3+ 3.000 H1+ 1.000 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 139036583