#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/10/1011071.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1011071 loop_ _publ_author_name 'Menzer, G' _publ_section_title 'Die Kristallstruktur von Eulytin' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 136 _journal_page_last 163 _journal_volume 78 _journal_year 1931 _chemical_compound_source 'from Schneeberg, Saxony' _chemical_formula_structural 'Bi4 (Si O4)3' _chemical_formula_sum 'Bi4 O12 Si3' _chemical_name_mineral Eulytine _chemical_name_systematic 'Tetrabismuth tris(silicate)' _symmetry_cell_setting cubic _symmetry_Int_Tables_number 220 _symmetry_space_group_name_H-M 'I -4 3 d' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 10.272(4) _cell_length_b 10.272(4) _cell_length_c 10.272(4) _cell_volume 1083.8 _exptl_crystal_density_meas 6.11 _cod_database_code 1011071 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,-z -x,1/2+y,1/2-z 1/2-x,-y,1/2+z 1/4+x,1/4+z,1/4+y 3/4+x,1/4-z,3/4-y 1/4-x,3/4-z,3/4+y 3/4-x,3/4+z,1/4-y y,z,x 1/2-y,-z,1/2+x 1/2+y,1/2-z,-x -y,1/2+z,1/2-x 1/4+z,1/4+y,1/4+x 1/4-z,3/4-y,3/4+x 3/4-z,3/4+y,1/4-x 3/4+z,1/4-y,3/4-x z,x,y -z,1/2+x,1/2-y 1/2-z,-x,1/2+y 1/2+z,1/2-x,-y 1/4+y,1/4+x,1/4+z 3/4-y,3/4+x,1/4-z 3/4+y,1/4-x,3/4-z 1/4-y,3/4-x,3/4+z 1/2+x,1/2+y,1/2+z x,-y,1/2-z 1/2-x,y,-z -x,1/2-y,z 3/4+x,3/4+z,3/4+y 1/4+x,3/4-z,1/4-y 3/4-x,1/4-z,1/4+y 1/4-x,1/4+z,3/4-y 1/2+y,1/2+z,1/2+x -y,1/2-z,x y,-z,1/2-x 1/2-y,z,-x 3/4+z,3/4+y,3/4+x 3/4-z,1/4-y,1/4+x 1/4-z,1/4+y,3/4-x 1/4+z,3/4-y,1/4-x 1/2+z,1/2+x,1/2+y 1/2-z,x,-y -z,1/2-x,y z,-x,1/2-y 3/4+y,3/4+x,3/4+z 1/4-y,1/4+x,3/4-z 1/4+y,3/4-x,1/4-z 3/4-y,1/4-x,1/4+z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Bi1 Bi3+ 16 c 0.083(5) 0.083(5) 0.083(5) 1. 0 d Si1 Si4+ 12 a 0. 0.25 0.375 1. 0 d O1 O2- 48 e -0.035(15) 0.125(5) 0.284(5) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Si4+ 4.000 O2- -2.000