#------------------------------------------------------------------------------ #$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $ #$Revision: 1071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9006824.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_9006824 loop_ _publ_author_name 'Tsukimura, K.' 'Sasaki, S.' _publ_section_title ; Determination of cation distribution in (Co,Ni,Zn)2Si04 olivine by synchrotron X-ray diffraction ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 234 _journal_page_last 241 _journal_volume 27 _journal_year 2000 _chemical_formula_sum 'Co0.754 Ni0.792 O4 Si Zn0.454' _chemical_name_mineral (Co.377Ni.396Zn.227)2SiO4 _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2c 2ab' _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 4.7564 _cell_length_b 10.2283 _cell_length_c 5.9696 _cell_volume 290.420 _exptl_crystal_density_diffrn 4.864 _[local]_cod_data_source_file cifdata.txt _[local]_cod_data_source_block 'global_7949' _[local]_cod_chemical_formula_sum_orig '(Co.754 Ni.792 Zn.454) Si O4' _cod_database_code 9006824 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 _atom_site_U_iso_or_equiv CoM1 0.00000 0.00000 0.00000 0.33400 0.00570 NiM1 0.00000 0.00000 0.00000 0.53900 0.00570 ZnM1 0.00000 0.00000 0.00000 0.12700 0.00570 CoM2 0.98921 0.27662 0.25000 0.42000 0.00610 NiM2 0.98921 0.27662 0.25000 0.25300 0.00610 ZnM2 0.98921 0.27662 0.25000 0.32700 0.00610 Si 0.42660 0.09434 0.25000 1.00000 0.00460 O1 0.76700 0.09230 0.25000 1.00000 0.00610 O2 0.21790 0.44730 0.25000 1.00000 0.00620 O3 0.27870 0.16260 0.03250 1.00000 0.00670 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 CoM1 0.00468 0.00701 0.00553 0.00000 0.00060 -0.00101 NiM1 0.00468 0.00701 0.00553 0.00000 0.00060 -0.00101 ZnM1 0.00468 0.00701 0.00553 0.00000 0.00060 -0.00101 CoM2 0.00626 0.00563 0.00626 -0.00030 0.00000 0.00000 NiM2 0.00626 0.00563 0.00626 -0.00030 0.00000 0.00000 ZnM2 0.00626 0.00563 0.00626 -0.00030 0.00000 0.00000 Si 0.00340 0.00510 0.00540 0.00000 0.00000 0.00000 O1 0.00460 0.00710 0.00640 0.00030 0.00000 0.00000 O2 0.00650 0.00520 0.00690 -0.00020 0.00000 0.00000 O3 0.00610 0.00750 0.00650 0.00010 0.00010 0.00180