data_global _amcsd_formula_title 'SrSeO4' loop_ _publ_author_name 'Effenberger H' 'Pertlik F' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 176 _journal_year 1986 _journal_page_first 75 _journal_page_last 83 _publ_section_title ; Four monazite type structures: comparison of SrCrO4, SrSeO4, PbCrO4 (crocoite), and PbSeO4 ; _database_code_amcsd 0019490 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sr Se O4' _cell_length_a 7.101 _cell_length_b 7.340 _cell_length_c 6.874 _cell_angle_alpha 90 _cell_angle_beta 103.48 _cell_angle_gamma 90 _cell_volume 348.412 _exptl_crystal_density_diffrn 4.396 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Sr 0.22082 0.15773 0.39876 Se 0.19364 0.16510 0.88588 O1 0.24840 0.00520 0.05520 O2 0.11540 0.33750 0.99960 O3 0.01920 0.10940 0.69350 O4 0.37520 0.21670 0.78720 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 0.01260 0.01050 0.01330 -0.00020 0.00190 -0.00100 Se 0.01110 0.00930 0.01100 -0.00030 0.00190 0.00000 O1 0.02700 0.01200 0.01600 0.00200 0.00300 0.00300 O2 0.01700 0.01400 0.02300 0.00100 0.00600 -0.00600 O3 0.01700 0.02100 0.01600 -0.00600 -0.00200 0.00000 O4 0.01400 0.02400 0.01700 -0.00300 0.00500 -0.00100