#------------------------------------------------------------------------------ #$Date: 2016-12-05 14:12:25 +0200 (Mon, 05 Dec 2016) $ #$Revision: 188891 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/54/47/1544730.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_1544730 loop_ _publ_author_name 'Iijima, K.' 'Marumo, F.' 'Kimura, M.' 'Kawamura, T.' _publ_section_title ; Synthesis and crystal structdures of compounds in the system Ba2TiGe2O8-Ba2TiSi2O8 ; _journal_name_full 'Mineralogical Journal' _journal_page_first 107 _journal_page_last 118 _journal_volume 11 _journal_year 1982 _chemical_formula_sum 'Ba2 Ge0.5 O8 Si1.5 Ti' _chemical_name_common Ba2Ti(Ge0.25Si0.75)2O8 _chemical_name_mineral Ba2Ti(Ge0.25Si0.75)2O8 _space_group_IT_number 100 _space_group_name_H-M_alt 'P 4 b m' _symmetry_space_group_name_Hall 'P 4 -2ab' _symmetry_space_group_name_H-M 'P 4 b m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 8.583(1) _cell_length_b 8.583(1) _cell_length_c 5.268(1) _cell_volume 388.08(10) _cod_data_source_file Ba2TiGe0.5Si1.5O8.cif _cod_data_source_block Ba2TiGe0.5Si1.5O8 _cod_original_formula_sum 'Ba2 Ti Ge0.5 Si1.5 O8' _cod_database_code 1544730 loop_ _space_group_symop_operation_xyz 'x, y, z' '-x, -y, z' '-y, x, z' 'y, -x, z' 'x+1/2, -y+1/2, z' '-x+1/2, y+1/2, z' '-y+1/2, -x+1/2, z' 'y+1/2, x+1/2, z' loop_ _atom_site_label _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_adp_type _atom_site_B_iso_or_equiv _atom_site_type_symbol Ba 1.0 0.32724(4) 0.82724(4) 0.000000 Biso 1.229095 Ba T 0.7500 0.1289(2) 0.6289(2) 0.5096(7) Biso 0.921163 Si T 0.2500 0.1289(2) 0.6289(2) 0.5096(7) Biso 0.921163 Ge Ti 1.0 0.000000 0.000000 0.5328(4) Biso 0.879053 Ti O1 1.0 0.2050(10) 0.0780(10) 0.633(2) Biso 3.026679 O O2 1.0 0.1260(10) 0.6260(10) 0.195(2) Biso 1.210672 O O3 1.0 0.000000 0.500000 0.626(3) Biso 2.816127 O O4 1.0 0.000000 0.000000 0.206(3) Biso 1.973921 O 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 0.01640 0.01640 0.01390 -0.00890 -0.00110 -0.00110 T 0.01300 0.01300 0.00900 0.00190 -0.00130 -0.00130 T 0.01300 0.01300 0.00900 0.00190 -0.00130 -0.00130 Ti 0.01170 0.01170 0.01000 0.00000 0.00000 0.00000 O1 0.02300 0.07100 0.02100 -0.02900 0.00300 -0.01100 O2 0.01600 0.01600 0.01400 -0.00100 -0.00100 -0.00100 O3 0.04600 0.04600 0.01500 -0.03000 0.00000 0.00000 O4 0.03000 0.03000 0.01500 0.00000 0.00000 0.00000