#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$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 _chemical_name 'Leucosphenite' loop_ _publ_author_name 'Malinovskii Yu A' 'Yamnova N A' 'Belov N V' _journal_name_full "Doklady Akademii Nauk SSSR" _journal_volume 257 _journal_year 1981 _journal_page_first 1128 _journal_page_last 1132 _publ_section_title ; The refined crystal structure of the leucosphenite ; _chemical_formula_sum 'Ba Na4 Ti2 B2 Si10 O30' _cell_length_a 9.814 _cell_length_b 16.851 _cell_length_c 7.210 _cell_angle_alpha 90 _cell_angle_beta 93.35 _cell_angle_gamma 90 _cell_volume 1190.321 _symmetry_space_group_name_H-M 'C 1 2/m 1' 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_Uiso_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