data_global _chemical_name_mineral 'Gasparite-(Ce)' loop_ _publ_author_name 'Brahim A' 'Mongi F M' 'Amor H' _journal_name_full 'Acta Crystallographica, Section E' _journal_volume 58 _journal_year 2002 _journal_page_first i98 _journal_page_last i99 _publ_section_title ; Cerium arsenate, CeAsO4 ; _database_code_amcsd 0010388 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ce As O4' _cell_length_a 6.9750 _cell_length_b 7.1770 _cell_length_c 6.759 _cell_angle_alpha 90 _cell_angle_beta 104.690 _cell_angle_gamma 90 _cell_volume 327.293 _exptl_crystal_density_diffrn 5.663 _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 _atom_site_U_iso_or_equiv Ce 0.21913 0.15370 0.40111 0.02030 As 0.19637 0.16297 0.88645 0.01970 O1 0.10980 0.34060 0.00130 0.02570 O2 0.01550 0.10830 0.67420 0.02560 O3 0.24570 -0.00400 0.06910 0.02460 O4 0.38080 0.21710 0.77660 0.02550 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 Ce 0.02030 0.01950 0.02120 0.00000 0.00510 -0.00056 As 0.01990 0.01960 0.01970 0.00020 0.00530 0.00010 O1 0.02800 0.02300 0.03000 0.00000 0.01200 -0.00400 O2 0.02300 0.02600 0.02600 -0.00100 0.00300 -0.00200 O3 0.03100 0.01800 0.02400 0.00000 0.00700 0.00200 O4 0.02600 0.02700 0.02600 0.00100 0.01100 0.00200