data_global _amcsd_formula_title 'SrSiO3' loop_ _publ_author_name 'Machida K I' 'Adachi G Y' 'Shiokawa J' 'Shimada M' 'Koizumi M' 'Suito K' 'Onodera A' _journal_name_full 'Inorganic Chemistry' _journal_volume 21 _journal_year 1982 _journal_page_first 1512 _journal_page_last 1519 _publ_section_title ; High-pressure synthesis, crystal structures, and luminescences properties of europium(II) metasilicate and europium(II)-activated calcium and strontium metasilicates Note: known as the delta-phase ; _database_code_amcsd 0016726 _chemical_formula_sum 'Sr Si O3' _cell_length_a 6.874 _cell_length_b 6.894 _cell_length_c 9.717 _cell_angle_alpha 85.01 _cell_angle_beta 110.57 _cell_angle_gamma 104.01 _cell_volume 418.298 _exptl_crystal_density_diffrn 3.899 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,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(1) 0.75200 0.25000 0.00300 ? Sr(2) 0.26200 0.07900 0.65200 ? Sr(3) 0.11000 0.57800 0.34800 ? Si(1) 0.60000 0.39100 0.29100 0.01153 Si(2) 0.25600 0.25000 0.01200 0.00507 Si(3) 0.25300 0.05600 0.29000 0.00988 O(1) 0.75900 0.25800 0.26600 0.00557 O(2) 0.43900 0.24700 0.38400 0.00304 O(3) 0.75700 0.56300 0.38800 0.00773 O(4) 0.47300 0.38600 0.12900 0.01102 O(5) 0.09400 0.37700 -0.07900 0.00684 O(6) 0.33600 0.13100 -0.08200 0.00570 O(7) 0.17300 0.09000 0.12700 0.00899 O(8) 0.37100 -0.11200 0.26900 0.00861 O(9) 0.12200 -0.05300 0.38900 0.00735 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Sr(1) 0.04580 0.02740 0.02350 -0.00420 0.01110 0.00250 Sr(2) 0.06410 0.05150 0.03080 0.03490 0.01010 0.00980 Sr(3) 0.08800 0.04490 0.03160 0.04030 0.03370 0.02440