#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/5/00/01/5000119.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_5000119 loop_ _publ_author_name 'Robinson, K' 'Gibbs, G V' 'Ribbe, P H' _journal_name_full 'American Mineralogist' _journal_page_first 782 _journal_page_last 790 _journal_volume 56 _journal_year 1971 _chemical_name_mineral Zircon _chemical_name_systematic 'Zirconium silicate' _space_group_IT_number 141 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall '-I 4bd 2' _symmetry_space_group_name_H-M 'I 41/a m d :2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.607(1) _cell_length_b 6.607(1) _cell_length_c 5.982(1) _cell_volume 261.1 _refine_ls_R_factor_all 0.019 _[local]_cod_cif_authors_sg_H-M 'I 41/a m d Z' _cod_database_code 5000119 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,z 1/4+y,1/4+x,3/4+z 1/4+y,1/4-x,3/4+z -x,y,z -x,1/2-y,z 3/4-y,1/4+x,3/4+z 3/4-y,1/4-x,3/4+z -x,-y,-z -x,1/2+y,-z 3/4-y,3/4-x,1/4-z 3/4-y,3/4+x,1/4-z x,-y,-z x,1/2+y,-z 1/4+y,3/4-x,1/4-z 1/4+y,3/4+x,1/4-z 1/2+x,1/2+y,1/2+z 1/2+x,-y,1/2+z 3/4+y,3/4+x,1/4+z 3/4+y,3/4-x,1/4+z 1/2-x,1/2+y,1/2+z 1/2-x,-y,1/2+z 1/4-y,3/4+x,1/4+z 1/4-y,3/4-x,1/4+z 1/2-x,1/2-y,1/2-z 1/2-x,y,1/2-z 1/4-y,1/4-x,3/4-z 1/4-y,1/4+x,3/4-z 1/2+x,1/2-y,1/2-z 1/2+x,y,1/2-z 3/4+y,1/4-x,3/4-z 3/4+y,1/4+x,3/4-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 Zr1 Zr4+ 4 a 0. 0.75 0.125 1. 0 d Si1 Si4+ 4 b 0. 0.75 0.625 1. 0 d O1 O2- 16 h 0. 0.0661(1) 0.1953(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Zr4+ 4.000 Si4+ 4.000 O2- -2.000