data_global _amcsd_formula_title 'Sr0.7La0.3Nb2O6' loop_ _publ_author_name 'Istomin S Y' 'D'yachenko O G' 'Antipov E V' 'Svensson G' 'Nygren M' _journal_name_full 'Materials Research Bulletin' _journal_volume 29 _journal_year 1994 _journal_page_first 743 _journal_page_last 749 _publ_section_title ; Synthesis and characterisation of reduced niobates [Sr1-xLnxNb2O6, Ln = La, Nd] ; _database_code_amcsd 0018969 _chemical_compound_source 'Synthetic' _chemical_formula_sum '(Sr.7 La.3) Nb2 O6' _cell_length_a 11.053 _cell_length_b 7.640 _cell_length_c 5.556 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 469.176 _exptl_crystal_density_diffrn 5.448 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Sr 0.04130 0.25000 0.54040 0.70000 0.01786 La 0.04130 0.25000 0.54040 0.30000 0.01786 Nb 0.14190 -0.00440 0.03600 1.00000 0.01722 O1 -0.02450 0.03600 0.22700 1.00000 0.01140 O2 0.21080 0.04900 0.36500 1.00000 0.01646 O3 0.14710 0.25000 -0.03000 1.00000 0.00507 O4 0.12300 -0.25000 0.13600 1.00000 0.01140