#------------------------------------------------------------------------------ #$Date: 2009-11-18 14:56:34 +0000 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: svn://www.crystallography.net/cod/cif/9/9009967.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_9009967 loop_ _publ_author_name 'Nguyen N' 'Choisnet J' 'Raveau B' _publ_section_title ; Silicates synthetiques a structure milarite Locality: synthetic ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 1 _journal_page_last 9 _journal_volume 34 _journal_year 1980 _chemical_formula_sum 'K2 Mg3 O30 Si12 Zn2' _[local]_cod_chemical_formula_sum_orig 'K2 Mg3 Zn2 Si12 O30' _chemical_name_mineral K2Mg3Zn2Si12O30 _symmetry_space_group_name_H-M 'P 6/m c c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 10.199 _cell_length_b 10.199 _cell_length_c 14.145 _cell_volume 1274.233 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-x+y,1/2+z x,x-y,1/2-z -x+y,-x,-z x-y,x,z -y,-x,1/2+z y,x,1/2-z y,-x+y,-z -y,x-y,z x-y,-y,1/2+z -x+y,y,1/2-z x,y,-z -x,-y,z x,x-y,1/2+z -x,-x+y,1/2-z x-y,x,-z -x+y,-x,z y,x,1/2+z -y,-x,1/2-z -y,x-y,-z y,-x+y,z -x+y,y,1/2+z x-y,-y,1/2-z -x,-y,-z 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 KA1 0.00000 0.00000 0.25000 1.00000 0.01140 KA2 0.33333 0.66667 0.00000 0.50000 0.01646 MgM1 0.33333 0.66667 0.25000 1.00000 0.02533 MgM2 0.50000 0.00000 0.25000 0.33330 0.01013 ZnM2 0.50000 0.00000 0.25000 0.66670 0.01013 Si 0.76700 0.11400 0.11200 1.00000 0.01646 O1 0.73300 0.11400 0.00000 1.00000 0.02153 O2 0.94500 0.21800 0.13600 1.00000 0.00507 O3 0.65100 0.15800 0.17200 1.00000 0.00127