#------------------------------------------------------------------------------ #$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $ #$Revision: 255 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9009548.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_9009548 loop_ _publ_author_name 'Malinovskii Yu A' 'Yamnova N A' 'Belov N V' _publ_section_title ; The refined crystal structure of the leucosphenite ; _journal_name_full 'Doklady Akademii Nauk SSSR' _journal_page_first 1128 _journal_page_last 1132 _journal_volume 257 _journal_year 1981 _chemical_formula_sum 'Ba Na4 Ti2 B2 Si10 O30' _chemical_name_mineral Leucosphenite _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 93.35 _cell_angle_gamma 90 _cell_length_a 9.814 _cell_length_b 16.851 _cell_length_c 7.210 _cell_volume 1190.321 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z -x,y,-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-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 Ba 0.00000 0.00000 0.00000 1.00000 0.00937 Na1 0.50000 0.22182 0.50000 1.00000 0.01735 Na2 0.30104 0.00000 0.49241 1.00000 0.01748 Ti 0.00000 0.08552 0.50000 1.00000 0.00443 B 0.49228 0.08183 0.20175 0.50000 0.00659 Si3 0.49228 0.08183 0.20175 0.50000 0.00659 Si1 0.24872 0.16586 0.76531 1.00000 0.00557 Si2 0.22138 0.15308 0.18948 1.00000 0.00557 O1 0.09309 0.00000 0.62514 1.00000 0.00633 O2 0.12167 0.09214 0.28665 1.00000 0.00899 O3 0.12080 0.16687 0.61915 1.00000 0.00874 O4 0.45918 0.00000 0.27773 1.00000 0.01140 O5 0.50000 0.08837 0.00000 1.00000 0.01558 O6 0.18309 0.24593 0.21368 1.00000 0.00950 O7 0.20389 0.13225 0.96665 1.00000 0.00861 O8 0.62882 0.11017 0.30800 1.00000 0.00849 O9 0.37885 0.14111 0.26881 1.00000 0.00836 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 Ba 0.00937 0.01115 0.00899 0.00849 0.00000 -0.00139 Na1 0.01735 0.01975 0.01102 0.02179 0.00000 -0.00823 Na2 0.01748 0.01013 0.02951 0.01342 0.00000 0.00506 Ti 0.00443 0.00469 0.00367 0.00481 0.00000 0.00114 B 0.00633 0.00659 0.00507 0.00773 0.00697 0.00088 Si3 0.00633 0.00659 0.00507 0.00773 0.00697 0.00088 Si1 0.00557 0.00709 0.00519 0.00481 -0.00089 -0.00050 Si2 0.00557 0.00683 0.00431 0.00544 -0.00101 0.00127 O1 0.00633 0.00506 0.00646 0.00722 0.00000 -0.00101 O2 0.00899 0.01165 0.00798 0.00823 -0.00279 0.00469 O3 0.00874 0.00886 0.00810 0.00887 -0.00076 -0.00342 O4 0.01140 0.00862 0.01609 0.00912 0.00000 0.00342 O5 0.01558 0.01266 0.01342 0.02001 0.00000 0.00076 O6 0.00950 0.00798 0.00519 0.01482 -0.00076 -0.00013 O7 0.00861 0.00975 0.01064 0.00621 -0.00139 0.00165 O8 0.00849 0.00886 0.00861 0.00773 -0.00317 -0.00076 O9 0.00836 0.00798 0.00874 0.00849 0.00253 -0.00038