#------------------------------------------------------------------------------ #$Date: 2015-07-10 14:54:36 +0300 (Fri, 10 Jul 2015) $ #$Revision: 142202 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/19/1521984.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_1521984 loop_ _publ_author_name 'Steinmetz, J.' 'Malaman, B.' 'Roques, B.' _publ_section_title ; Trois nouveaux siliciures ternaires ordonnes: (Cr, Nb ou Ta)11 Si8,(Mn, Mo)11 Si8 et les germaniures isotypes (T, Nb)11 Ge8, T = V, Cr, Mn ; _journal_name_full 'Journal of the Less-Common Metals' _journal_page_first 133 _journal_page_last 146 _journal_volume 57 _journal_year 1978 _chemical_formula_sum 'Ge8 Mn4 Nb7' _chemical_name_systematic 'Nb7 Mn4 Ge8' _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2c 2n' _symmetry_space_group_name_H-M 'P n a m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 13.81 _cell_length_b 16.57999 _cell_length_c 5.2 _cell_volume 1190.642 _citation_journal_id_ASTM JCOMAH _cod_data_source_file Steinmetz_JCOMAH_1978_1651.cif _cod_data_source_block Ge8Mn4Nb7 _cod_cif_authors_sg_Hall '-P 2ac 2n (-x,z,y)' _cod_database_code 1521984 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,y+1/2,-z x+1/2,-y+1/2,-z+1/2 -x,-y,z+1/2 -x,-y,-z x-1/2,-y-1/2,z -x-1/2,y-1/2,z-1/2 x,y,-z-1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Nb1 Nb 0.365 0.325 -0.008 1 0.0 Ge7 Ge 0.497 0.746 0.25 1 0.0 Nb6 Nb 0.123 0.996 0.25 1 0.0 Nb5 Nb 0.455 0.595 0.25 1 0.0 Mn2 Mn 0.135 0.656 0.25 1 0.0 Ge4 Ge 0.049 0.516 0.25 1 0.0 Ge1 Ge 0.213 0.117 -0.014 1 0.0 Ge5 Ge 0.45 0.437 0.25 1 0.0 Nb3 Nb 0.366 0.043 0.25 1 0.0 Ge6 Ge 0.275 0.898 0.25 1 0.0 Ge2 Ge 0.207 0.309 0.25 1 0.0 Nb4 Nb 0.249 0.474 0.25 1 0.0 Ge3 Ge 0.419 0.2 0.25 1 0.0 Nb2 Nb 0.066 0.195 0.25 1 0.0 Mn3 Mn 0.312 0.749 0.25 1 0.0 Mn1 Mn 0.061 0.378 0.001 1 0.0