#------------------------------------------------------------------------------ #$Date: 2023-07-06 21:05:47 +0300 (Thu, 06 Jul 2023) $ #$Revision: 285044 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/23/9002340.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_9002340 loop_ _publ_author_name 'Callegari, A.' 'Caucia, F.' 'Mazzi, F.' 'Oberti, R.' 'Ottolini, L.' 'Ungaretti, L.' _publ_section_title ;The crystal structure of peprossiite-(Ce), and anhydrous REE and Al mica-like borate with square-pyramidal coordination for Al Sample: Pep1 ; _journal_name_full 'American Mineralogist' _journal_page_first 586 _journal_page_last 593 _journal_volume 85 _journal_year 2000 _chemical_formula_sum 'Al2 B3.868 Ca0.102 O10.667 Pr0.818 Si0.132' _chemical_name_mineral Peprossiite-(Ce) _space_group_IT_number 189 _symmetry_space_group_name_Hall 'P -6 -2' _symmetry_space_group_name_H-M 'P -6 2 m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 1 _cell_length_a 4.612 _cell_length_b 4.612 _cell_length_c 9.374 _cell_volume 172.677 _database_code_amcsd 0002424 _exptl_crystal_density_diffrn 3.746 _cod_original_formula_sum 'Pr.818 Ca.102 Al2 (B3.868 Si.132) O10.667' _cod_database_code 9002340 loop_ _space_group_symop_operation_xyz x,y,z -x,-x+y,z -x+y,-x,-z y,x,-z -y,x-y,z x-y,-y,z x,y,-z -x,-x+y,-z -x+y,-x,z y,x,z -y,x-y,-z x-y,-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 PrM2 0.01220 0.01220 0.00830 0.00610 0.00000 0.00000 CaM2 0.01220 0.01220 0.00830 0.00610 0.00000 0.00000 AlM1 0.00460 0.00480 0.00600 0.00240 0.00000 0.00000 BT 0.00780 0.00780 0.00590 0.00390 0.00000 0.00000 SiT 0.00780 0.00780 0.00590 0.00390 0.00000 0.00000 O1 0.00920 0.00920 0.00540 0.00460 0.00000 0.00000 O2 0.01310 0.00720 0.00870 0.00360 -0.00300 0.00000 O3 0.00460 0.00460 0.00860 0.00230 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_type_symbol _atom_site_attached_hydrogens PrM2 0.00000 0.00000 0.00000 0.81800 Pr 0 CaM2 0.00000 0.00000 0.00000 0.10200 Ca 0 AlM1 0.38890 0.00000 0.50000 0.66667 Al 0 BT 0.33333 0.66667 0.22020 0.96700 B 0 SiT 0.33333 0.66667 0.22020 0.03300 Si 0 O1 0.33333 0.66667 0.37540 1.00000 O 0 O2 0.42150 0.00000 0.16120 1.00000 O 0 O3 0.00000 0.00000 0.50000 0.66667 O 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 9581 2023-05-17 12:35:41Z saulius ; 2023-05-23T09:15:34+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 0002424