#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/15/9001570.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_9001570 loop_ _publ_author_name 'Oberti, R.' 'Ungaretti, L.' 'Tlili, A.' 'Smith, D. C.' 'Robert, J.-L.' _publ_section_title ; The crystal structure of preiswerkite Sample: KP17 ; _journal_name_full 'American Mineralogist' _journal_page_first 1290 _journal_page_last 1298 _journal_volume 78 _journal_year 1993 _chemical_formula_sum 'Al3.15 H2 Mg1.85 Na0.85 O12 Si2' _chemical_name_mineral Preiswerkite _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 100.41 _cell_angle_gamma 90 _cell_length_a 5.228 _cell_length_b 9.049 _cell_length_c 9.819 _cell_volume 456.873 _database_code_amcsd 0001621 _exptl_crystal_density_diffrn 2.905 _cod_original_formula_sum 'Si2 Al3.15 Mg1.85 Na.85 O12 H2' _cod_database_code 9001570 loop_ _space_group_symop_operation_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z -x,y,-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-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 SiT 0.00697 0.00705 0.00236 -0.00047 0.00075 -0.00044 AlT 0.00697 0.00705 0.00236 -0.00047 0.00075 -0.00044 Mg1 0.00536 0.00456 0.00331 0.00000 0.00101 0.00000 Al1 0.00536 0.00456 0.00331 0.00000 0.00101 0.00000 Mg2 0.00656 0.00664 0.00283 0.00000 0.00101 0.00000 Al2 0.00656 0.00664 0.00283 0.00000 0.00101 0.00000 Na 0.02545 0.02489 0.00472 0.00000 0.00176 0.00000 O1 0.01259 0.01493 0.00378 0.00047 0.00277 -0.00044 O2 0.01406 0.00996 0.00331 0.00000 0.00101 0.00000 O3 0.01259 0.00996 0.00331 -0.00071 -0.00025 0.00133 Oh4 0.00951 0.03028 0.00189 0.00000 -0.00025 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 SiT 0.57400 0.16720 0.21390 0.50000 ? AlT 0.57400 0.16720 0.21390 0.50000 ? Mg1 0.00000 0.50000 0.50000 0.85000 ? Al1 0.00000 0.50000 0.50000 0.15000 ? Mg2 0.00000 0.83020 0.50000 0.50000 ? Al2 0.00000 0.83020 0.50000 0.50000 ? Na 0.00000 0.00000 0.00000 0.85000 ? O1 0.85590 0.19890 0.15840 1.00000 ? O2 0.45300 0.00000 0.16510 1.00000 ? O3 0.63480 0.17030 0.39050 1.00000 ? O-h4 0.12520 0.00000 0.39890 1.00000 ? H 0.08310 0.00000 0.29500 1.00000 0.01267 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0001621