#------------------------------------------------------------------------------ #$Date: 2016-02-13 19:28:24 +0000 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: svn://www.crystallography.net/cod/cif/1/53/25/1532583.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_1532583 loop_ _publ_author_name 'Ijjaali, I.' 'Mitchell, K.' 'Ibers, J.A.' _publ_section_title ; Preparation and structure of the light rare-earth copper selenides Ln Cu Se2 (Ln = La, Ce, Pr, Nd, Sm) ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 760 _journal_page_last 764 _journal_volume 177 _journal_year 2004 _chemical_formula_sum 'Cu Se2 Sm' _chemical_name_systematic 'Sm Cu Se2' _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 97.115 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.6655 _cell_length_b 7.3825 _cell_length_c 7.0724 _cell_volume 345.339 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Ijjaali_JSSCBI_2004_1870.cif _cod_data_source_block Cu1Se2Sm1 _cod_original_cell_volume 345.3391 _cod_original_formula_sum 'Cu1 Se2 Sm1' _cod_database_code 1532583 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y+1/2,-z+1/2 -x,-y,-z x,-y-1/2,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 Se1 Se-2 0.0984 0.38962 0.2814 1 0.0 Cu1 Cu+1 0.0755 0.6604 0.0504 1 0.0 Sm1 Sm+3 0.30583 0.04681 0.19861 1 0.0 Se2 Se-2 0.5768 0.27476 -0.0008 1 0.0