#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/49/9004920.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_9004920 loop_ _publ_author_name 'Liferovich, R. P.' 'Mitchell, R. H.' _publ_section_title ; Composition and paragenesis of Na-, Nb-, and Zr-bearing titanite from Khibina, Russia, and crystal-structure data for synthetic analogues Locality: Khibina, Russia ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 795 _journal_page_last 812 _journal_volume 43 _journal_year 2005 _chemical_formula_sum 'Ca O5 Si Ti0.76 Zr0.24' _chemical_name_mineral Titanite _space_group_IT_number 15 _symmetry_space_group_name_Hall '-A 2ya' _symmetry_space_group_name_H-M 'A 1 2/a 1' _cell_angle_alpha 90 _cell_angle_beta 113.581 _cell_angle_gamma 90 _cell_length_a 7.1136 _cell_length_b 8.7724 _cell_length_c 6.5987 _cell_volume 377.395 _exptl_crystal_density_diffrn 3.633 _[local]_cod_chemical_formula_sum_orig 'Ca (Ti.76 Zr.24) Si O5' _cod_database_code 9004920 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2+y,1/2+z 1/2+x,-y,z 1/2+x,1/2-y,1/2+z 1/2-x,y,-z 1/2-x,1/2+y,1/2-z -x,-y,-z -x,1/2-y,1/2-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 CaX 0.25000 0.16800 0.00000 1.00000 0.02090 TiY 0.50000 0.00000 0.50000 0.76000 0.01001 ZrY 0.50000 0.00000 0.50000 0.24000 0.01001 Si 0.75000 0.18080 0.00000 1.00000 0.00380 O1 0.75000 0.07060 0.50000 1.00000 0.01064 O2 0.90990 0.06780 0.17600 1.00000 0.01064 O3 0.37990 0.21700 0.39200 1.00000 0.01064