data_global _amcsd_formula_title 'SrNb2O6' 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 0018962 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sr Nb2 O6' _cell_length_a 10.9862 _cell_length_b 7.7223 _cell_length_c 5.5944 _cell_angle_alpha 90 _cell_angle_beta 90.372 _cell_angle_gamma 90 _cell_volume 474.612 _exptl_crystal_density_diffrn 5.170 _symmetry_space_group_name_H-M 'P 1 n m a 1' 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_U_iso_or_equiv Sr 0.04130 0.25000 0.54040 0.01786 Nb1 0.14190 -0.00440 0.03600 0.01722 O1 -0.02450 0.03600 0.22700 0.01140 O2 0.21080 0.04900 0.36500 0.01646 O3 0.14710 0.25000 -0.03000 0.00507 O4 0.12300 -0.25000 0.13600 0.01140