#------------------------------------------------------------------------------ #$Date: 2023-05-10 20:44:19 +0300 (Wed, 10 May 2023) $ #$Revision: 283658 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/15/9001554.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_9001554 loop_ _publ_author_name 'Artioli, G.' 'Rinaldi, R.' 'Stahl, K.' 'Zanazzi, P. F.' _publ_section_title ;Structure refinements of beryl by single-crystal neutron and X-ray diffraction Sample no. 2, aquamarine, probed with neutrons, T = 295 K ; _journal_name_full 'American Mineralogist' _journal_page_first 762 _journal_page_last 768 _journal_volume 78 _journal_year 1993 _chemical_formula_sum 'Al1.97 Be3 Fe0.03 H0.26 Na0.016 O18.24 Si6' _chemical_name_mineral Beryl _space_group_IT_number 192 _symmetry_space_group_name_Hall '-P 6 2c' _symmetry_space_group_name_H-M 'P 6/m c c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 2 _cell_length_a 9.218 _cell_length_b 9.218 _cell_length_c 9.197 _cell_volume 676.784 _database_code_amcsd 0001605 _diffrn_ambient_temperature 295 _exptl_crystal_density_diffrn 2.664 _cod_original_formula_sum 'Si6 Be3 (Al1.97 Fe.03) O18.24 Na.016 H.26' _cod_database_code 9001554 loop_ _space_group_symop_operation_xyz x,y,z -x,-x+y,1/2+z x,x-y,1/2-z -x+y,-x,-z x-y,x,z -y,-x,1/2+z y,x,1/2-z y,-x+y,-z -y,x-y,z x-y,-y,1/2+z -x+y,y,1/2-z x,y,-z -x,-y,z x,x-y,1/2+z -x,-x+y,1/2-z x-y,x,-z -x+y,-x,z y,x,1/2+z -y,-x,1/2-z -y,x-y,-z y,-x+y,z -x+y,y,1/2+z x-y,-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_occupancy _atom_site_U_iso_or_equiv _atom_site_type_symbol _atom_site_attached_hydrogens Si 0.38720 0.11570 0.00000 1.00000 0.00291 Si 0 Be 0.50000 0.00000 0.25000 1.00000 0.00570 Be 0 Al 0.66667 0.33333 0.25000 0.98500 0.00342 Al 0 Fe 0.66667 0.33333 0.25000 0.01500 0.00342 Fe 0 O1 0.30980 0.23630 0.00000 1.00000 0.00874 O 0 O2 0.49866 0.14541 0.14517 1.00000 0.00583 O 0 Na 0.00000 0.00000 0.25000 0.01600 0.06333 Na 0 OW 0.00000 0.00000 0.25000 0.24000 0.06333 O 0 H 0.00000 0.00000 0.16500 0.13000 0.05066 H 0 loop_ _cod_changelog_entry_id _cod_changelog_entry_author _cod_changelog_entry_date _cod_changelog_entry_text 1 ;cod-tools version 3.8.0 Id: cif_guess_AMCSD_atom_types 9574 2023-05-10 09:00:05Z saulius ; 2023-05-10T18:47:31+03:00 ;Derived atom types and hydrogen counts from atom names that follow the AMCSD naming convention (Wat == water, O-H == hydroxyl). ; loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0001605