#------------------------------------------------------------------------------ #$Date: 2017-10-06 19:24:22 +0300 (Fri, 06 Oct 2017) $ #$Revision: 201816 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/50/9015088.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9015088 loop_ _publ_author_name 'Hill, R. J.' _publ_section_title ; Hydrogen atoms in boehmite: A single crystal X-ray diffraction and molecular orbital study ; _journal_name_full 'Clays and Clay Minerals' _journal_page_first 435 _journal_page_last 445 _journal_paper_doi 10.1346/CCMN.1981.0290604 _journal_volume 29 _journal_year 1981 _chemical_compound_source 'Tveidalen, Langesundsfjorden, Norway' _chemical_formula_sum 'Al H0.08 O2' _chemical_name_mineral Bohmite _space_group_IT_number 63 _symmetry_space_group_name_Hall '-A 2 2a' _symmetry_space_group_name_H-M 'A m a m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 3.693 _cell_length_b 12.221 _cell_length_c 2.865 _cell_volume 129.304 _database_code_amcsd 0019146 _exptl_crystal_density_diffrn 3.034 _cod_original_formula_sum 'Al O2 H.08' _cod_database_code 9015088 loop_ _space_group_symop_operation_xyz x,y,z x,1/2+y,1/2+z 1/2+x,-y,z 1/2+x,1/2-y,1/2+z 1/2-x,y,-z 1/2-x,1/2+y,1/2-z x,y,-z x,1/2+y,1/2-z -x,-y,z -x,1/2-y,1/2+z 1/2-x,y,z 1/2-x,1/2+y,1/2+z 1/2+x,-y,-z 1/2+x,1/2-y,1/2-z -x,-y,-z -x,1/2-y,1/2-z 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 Al 0.00320 0.00430 0.00470 0.00000 0.00000 0.00000 O1 0.00270 0.00620 0.00660 0.00000 0.00000 0.00000 O2 0.00640 0.00550 0.00470 0.00000 0.00000 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Al 0.25000 -0.31780 0.00000 1.00000 ? O1 0.25000 0.28970 0.00000 1.00000 ? O2 0.25000 0.08090 0.00000 1.00000 ? H 0.39600 0.03800 0.00000 0.04000 0.50000 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0019146