#------------------------------------------------------------------------------ #$Date: 2023-03-24 18:37:27 +0200 (Fri, 24 Mar 2023) $ #$Revision: 282053 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/10/9011013.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_9011013 loop_ _publ_author_name 'Paton, F.' 'MacDonald, S. G. G.' _publ_section_title ; The crystal structure of pinnoite ; _journal_name_full 'Acta Crystallographica' _journal_page_first 653 _journal_page_last 656 _journal_paper_doi 10.1107/S0365110X57002273 _journal_volume 10 _journal_year 1957 _chemical_compound_source 'Stassfurt, Germany' _chemical_formula_sum 'B2 H6 Mg O7' _chemical_name_mineral Pinnoite _space_group_IT_number 86 _symmetry_space_group_name_Hall 'P 4n -1n' _symmetry_space_group_name_H-M 'P 42/n :1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 7.62 _cell_length_b 7.62 _cell_length_c 8.19 _cell_volume 475.547 _database_code_amcsd 0009203 _exptl_crystal_density_diffrn 2.290 _cod_original_sg_symbol_H-M 'P 42/n' _cod_original_formula_sum 'Mg B2 O7 H6' _cod_database_code 9011013 loop_ _space_group_symop_operation_xyz x,y,z y,-x,-z 1/2-y,1/2+x,1/2+z 1/2+x,1/2+y,1/2-z -x,-y,z -y,x,-z 1/2+y,1/2-x,1/2+z 1/2-x,1/2-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mg 0.75000 0.25000 0.25000 B 0.89300 0.38300 -0.11000 O1 0.50000 0.00000 0.01000 O-H2 0.83900 0.23800 0.01300 O-H3 0.98800 0.30200 -0.23900 O-H4 0.72800 0.48800 -0.16700