#------------------------------------------------------------------------------ #$Date: 2008-01-26 19:25:03 +0200 (Sat, 26 Jan 2008) $ #$Revision: 20 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000054.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_Brucite _audit_creation_date 99-03-08 _audit_creation_method 'generated by RETRIEVE 2.0' _database_code_ICSD 34401 _chemical_name_systematic 'Magnesium hydroxide' _chemical_name_mineral 'Brucite' _chemical_compound_source 'from North America' _chemical_formula_structural 'Mg (O H)2' _chemical_formula_sum 'H2 Mg O2' _publ_section_title ; Neutronenbeugungsmessungen am Brucit ; loop_ _publ_author_name 'Zigan, F' 'Rothbauer, R' _journal_name_full 'Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-)' _journal_coden_ASTM NJMMAW _journal_volume 1967 _journal_year 1967 _journal_page_first 137 _journal_page_last 143 _cell_length_a 3.142(1) _cell_length_b 3.142(1) _cell_length_c 4.766(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 40.7 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'P -3 m 1' _symmetry_Int_Tables_number 164 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'x,x-y,z' 'y-x,y,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-z' 'y,x,-z' '-x,y-x,-z' 'x-y,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Mg2+ 2.000 O2- -2.000 H1+ 1.000 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 Mg1 Mg2+ 1 a 0. 0. 0. 1. 0 d O1 O2- 2 d 0.3333 0.6667 0.2216(7) 1. 0 d H1 H1+ 2 d 0.3333 0.6667 0.4303(12) 1. 0 d _refine_ls_R_factor_all 0.08