data_85816-ICSD _audit_creation_date 102-05-29 _audit_creation_method 'generated by RETRIEVE 2.0' _database_code_ICSD 85816 _chemical_name_systematic 'Strontium praseodymium trioxide' _chemical_formula_structural 'Sr (Pr O3)' _chemical_formula_sum 'O3 Pr Sr' _publ_section_title ; Crystal structures and magnetic properties of Ba(1-y) Sr(y) Pr O3 (0 < y < 1.0) ; loop_ _publ_author_name 'Itoh, M' 'Hinatsu, Y' _journal_name_full 'Journal of Alloys Compd.' _journal_coden_ASTM JALCEU _journal_volume 264 _journal_year 1998 _journal_page_first 119 _journal_page_last 124 _cell_length_a 6.1168 _cell_length_b 8.5487 _cell_length_c 5.9857 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 313.0 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P n m a' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2-z' '-x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,z' '1/2+x,y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Sr2+ 2.000 Pr4+ 4.000 O2- -2.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Sr1 Sr2+ 4 c 0.044 0.25 -0.006 1. 0 d Pr1 Pr4+ 4 b 0.5 0. 0. 1. 0 d O1 O2- 4 c 0.478 0.25 0.12 1. 0 d O2 O2- 8 d 0.322 0.048 0.685 1. 0 d _refine_ls_R_factor_all 0.055