#------------------------------------------------------------------------------ #$Date: 2023-05-18 15:51:33 +0300 (Thu, 18 May 2023) $ #$Revision: 283866 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/41/9004120.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_9004120 loop_ _publ_author_name 'Hawthorne, F. C.' 'Cerny, P.' _publ_section_title ; The alkali-metal positions in Cs-Li beryl ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 414 _journal_page_last 421 _journal_volume 15 _journal_year 1977 _chemical_formula_sum 'Al2 Be2.613 Ca0.003 Cs0.134 H2 K0.033 Li0.436 Na0.313 O18.66 Rb0.006 Si5.958' _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 9.212 _cell_length_b 9.212 _cell_length_c 9.236 _cell_volume 678.770 _database_code_amcsd 0005142 _exptl_crystal_density_diffrn 2.815 _cod_original_formula_sum 'Si5.958 Be2.613 Li.436 Al2 O18.66 Na.313 K.033 Rb.006 Ca.003 Cs.134 H2' _cod_database_code 9004120 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_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 Si 0.00806 0.00806 0.00605 0.00419 0.00000 0.00000 Be 0.01354 0.00645 0.00691 0.00322 0.00000 0.00000 Li 0.01354 0.00645 0.00691 0.00322 0.00000 0.00000 Al 0.00935 0.00935 0.00605 0.00468 0.00000 0.00000 O1 0.01709 0.01386 0.01685 0.01032 0.00000 0.00000 O2 0.01548 0.01741 0.01037 0.00967 -0.00597 -0.00485 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 0.38920 0.11890 0.00000 0.99300 ? Si 0 Be 0.50000 0.00000 0.25000 0.87100 ? Be 0 Li 0.50000 0.00000 0.25000 0.12900 ? Li 0 Al 0.66667 0.33333 0.25000 1.00000 ? Al 0 O1 0.30480 0.23520 0.00000 1.00000 ? O 0 O2 0.49830 0.14730 0.14450 1.00000 ? O 0 Na 0.00000 0.00000 0.00000 0.31300 0.03166 Na 0 K 0.00000 0.00000 0.00000 0.03300 0.03166 K 0 Rb 0.00000 0.00000 0.00000 0.00600 0.03166 Rb 0 Ca 0.00000 0.00000 0.00000 0.00300 0.03166 Ca 0 Li 0.00000 0.00000 0.00000 0.04900 0.03166 Li 0 Cs 0.00000 0.00000 0.25000 0.13400 0.03166 Cs 0 Wat 0.00000 0.00000 0.25000 0.66000 0.03166 O 2 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 9581 2023-05-17 12:35:41Z saulius ; 2023-05-18T11:37:56+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 0005142