#------------------------------------------------------------------------------ #$Date: 2017-09-25 00:04:19 +0300 (Mon, 25 Sep 2017) $ #$Revision: 201202 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/54/37/1543733.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_1543733 loop_ _publ_author_name 'Carteaux, V.' 'Brunet, D.' 'Ouvrard, G.' 'Andre, G.' _publ_section_title ; Crystallographic, magnetic and electronic structures of a new layered ferromagnetic compound Cr2 Ge2 Te6 ; _journal_name_full 'Journal of Physics: Condensed Matter' _journal_page_first 69 _journal_page_last 87 _journal_volume 7 _journal_year 1995 _chemical_formula_structural 'Cr2 Ge2 Te6' _chemical_formula_sum 'Cr2 Ge2 Te6' _chemical_name_systematic Phyllo-dichromiumhexatellurodigermanate _space_group_IT_number 148 _symmetry_Int_Tables_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 120. _cell_formula_units_Z 3 _cell_length_a 6.809(1) _cell_length_b 6.809(1) _cell_length_c 20.4439(30) _cell_measurement_temperature 270. _cell_volume 820.8(2) _cod_data_source_file Cr2Ge2Te6_R_3H_DC288_.cif _cod_data_source_block chateigner _cod_original_cell_volume 820.84 _cod_original_sg_symbol_H-M 'R -3 H' _cod_database_code 1543733 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x-y, x, -z' 2 'y, -x+y, -z' 3 '-x, -y, -z' 4 '-x+y, -x, z' 5 '-y, x-y, z' 6 'x, y, z' 7 'x-y+2/3, x+1/3, -z+1/3' 8 'y+2/3, -x+y+1/3, -z+1/3' 9 '-x+2/3, -y+1/3, -z+1/3' 10 '-x+y+2/3, -x+1/3, z+1/3' 11 '-y+2/3, x-y+1/3, z+1/3' 12 'x+2/3, y+1/3, z+1/3' 13 'x-y+1/3, x+2/3, -z+2/3' 14 'y+1/3, -x+y+2/3, -z+2/3' 15 '-x+1/3, -y+2/3, -z+2/3' 16 '-x+y+1/3, -x+2/3, z+2/3' 17 '-y+1/3, x-y+2/3, z+2/3' 18 'x+1/3, y+2/3, z+2/3' loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv _atom_site_occupancy _atom_site_attached_hydrogens Te1 Te2- 18 f 0.663(1) -.033(1) 0.2482(5) 0.3 1. 0 Cr1 Cr2+ 6 c 0 0 0.3302(6) 0.3 1. 0 Ge1 Ge4+ 6 c 0 0 0.0590(5) 0.3 1. 0 loop_ _atom_type_symbol _atom_type_oxidation_number Te2- -2 Cr2+ 2 Ge4+ 4