#------------------------------------------------------------------------------ #$Date: 2018-09-27 05:13:35 +0100 (Thu, 27 Sep 2018) $ #$Revision: 211196 $ #$URL: svn://www.crystallography.net/cod/cif/1/53/25/1532580.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_1532580 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 'Ce 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 97.392 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.763 _cell_length_b 7.5311 _cell_length_c 7.165 _cell_volume 361.901 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Ijjaali_JSSCBI_2004_1867.cif _cod_data_source_block Ce1Cu1Se2 _cod_original_cell_volume 361.9008 _cod_original_formula_sum 'Ce1 Cu1 Se2' _cod_database_code 1532580 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 Se2 Se-2 0.58427 0.27451 0.0001 1 0.0 Se1 Se-2 0.09708 0.38993 0.27863 1 0.0 Cu1 Cu+1 0.0717 0.6618 0.0515 1 0.0 Ce1 Ce+3 0.30802 0.04914 0.1993 1 0.0