data_global _amcsd_formula_title 'Ce0.3 Cu Nd1.7 O4' loop_ _publ_author_name 'Paulus E' 'Yehia I' 'Fuess H' 'Rodriguez J' 'Vogt T' 'Stroebel J' 'Klauda M' 'Saemann-Ischenko G' _journal_name_full 'Solid State Communications' _journal_volume 73 _journal_year 1990 _journal_page_first 791 _journal_page_last 795 _publ_section_title ; Crystal structure refinement of Nd2-xCexCuO4 (x=.05-.30) by x-ray (295K) and neutron (1.5K) powder diffraction _cod_database_code 1006021 ; _database_code_amcsd 0015476 _chemical_formula_sum '(Nd1.7 Ce.3) Cu O4' _cell_length_a 3.94288 _cell_length_b 3.94288 _cell_length_c 12.0288 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 187.003 _exptl_crystal_density_diffrn 7.366 _symmetry_space_group_name_H-M 'I 4/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-y,-x,z' '1/2-y,1/2-x,1/2+z' 'y,x,-z' '1/2+y,1/2+x,1/2-z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-y,x,z' '1/2-y,1/2+x,1/2+z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,1/2-z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' 'y,x,z' '1/2+y,1/2+x,1/2+z' '-y,-x,-z' '1/2-y,1/2-x,1/2-z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'y,-x,z' '1/2+y,1/2-x,1/2+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Nd1 0.00000 0.00000 0.35310 0.85000 Ce1 0.00000 0.00000 0.35310 0.15000 Cu1 0.00000 0.00000 0.00000 1.00000 O1 0.00000 0.50000 0.00000 1.00000 O2 0.00000 0.50000 0.25000 1.00000