#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000824.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_9000824 loop_ _publ_author_name 'Bish D L' _publ_section_title ; Cation ordering in synthetic and natural Ni-Mg olivine synthetic ; _journal_name_full 'American Mineralogist' _journal_page_first 770 _journal_page_last 776 _journal_volume 66 _journal_year 1981 _chemical_formula_sum 'Mg0.84 Ni1.16 O4 Si' _[local]_cod_chemical_formula_sum_orig '(Ni1.16 Mg.84) Si O4' _chemical_name_mineral Liebenbergite _symmetry_space_group_name_H-M 'P b n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 4.7366 _cell_length_b 10.164 _cell_length_c 5.9322 _cell_volume 285.593 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,y,1/2-z -x,-y,1/2+z 1/2+x,1/2-y,1/2+z 1/2-x,1/2+y,1/2-z 1/2-x,1/2+y,z 1/2+x,1/2-y,-z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ni1 0.00000 0.00000 0.00000 0.83000 Mg1 0.00000 0.00000 0.00000 0.17000 Ni2 0.99090 0.27480 0.25000 0.33000 Mg2 0.99090 0.27480 0.25000 0.67000 Si 0.42630 0.09370 0.25000 1.00000 O1 0.76760 0.09310 0.25000 1.00000 O2 0.21990 0.44560 0.25000 1.00000 O3 0.27520 0.16250 0.03110 1.00000 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 Ni1 0.00602 0.00419 0.00517 0.00000 -0.00043 -0.00061 Mg1 0.00602 0.00419 0.00517 0.00000 -0.00043 -0.00061 Ni2 0.00716 0.00314 0.00588 0.00000 0.00000 0.00000 Mg2 0.00716 0.00314 0.00588 0.00000 0.00000 0.00000 Si 0.00591 0.00262 0.00535 0.00024 0.00000 0.00000 O1 0.00523 0.00576 0.00553 0.00000 0.00000 0.00000 O2 0.00648 0.00314 0.00749 0.00024 0.00000 0.00000 O3 0.00693 0.00523 0.00642 -0.00024 0.00014 0.00122 _cod_database_code 9000824