#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/52/9005281.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_9005281 loop_ _publ_author_name 'Otto, H. H.' 'Brandt, H. J.' _publ_section_title ; Crystal structure of Pb6[Ge6O18]2H2O, a lead cyclo-germanate similar to the mineral dioptase ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 301 _journal_page_last 310 _journal_volume 8 _journal_year 1996 _chemical_formula_structural Pb6[Ge6O18].2H20 _chemical_formula_sum 'Ge3 H2 O10 Pb3' _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 15.6476 _cell_length_b 15.6476 _cell_length_c 7.3119 _cell_volume 1550.445 _database_code_amcsd 0006627 _exptl_crystal_density_diffrn 6.435 _cod_original_sg_symbol_H-M 'R -3' _cod_original_formula_sum 'Pb3 Ge3 O10 H2' _cod_database_code 9005281 _amcsd_formula_title Pb6[Ge6O18].2H20 loop_ _space_group_symop_operation_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 1/3+x-y,2/3+x,2/3-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb 0.41190 0.28700 0.79830 0.01100 Ge 0.37750 0.48840 0.64400 0.01300 O1 0.27900 0.48300 0.76900 0.01300 O2 0.33500 0.41100 0.45700 0.01100 O3 0.43700 0.45400 0.80000 0.00800 Wat 0.00000 0.00000 0.30000 0.17000 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0006627