data_global _chemical_name_mineral 'Monazite-(Eu)' loop_ _publ_author_name 'Ni Y' 'Hughes J M' 'Mariano A N' _journal_name_full 'American Mineralogist' _journal_volume 80 _journal_year 1995 _journal_page_first 21 _journal_page_last 26 _publ_section_title ; Crystal chemistry of the monazite and xenotime structures ; _database_code_amcsd 0001704 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Eu P O4' _cell_length_a 6.6613 _cell_length_b 6.8618 _cell_length_c 6.3491 _cell_angle_alpha 90 _cell_angle_beta 103.96 _cell_angle_gamma 90 _cell_volume 281.636 _exptl_crystal_density_diffrn 5.824 _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 Eu 0.28152 0.15595 0.09757 0.00244 P 0.30290 0.16150 0.61300 0.00304 O1 0.25130 0.00120 0.44090 0.00861 O2 0.38330 0.33500 0.50170 0.00659 O3 0.47430 0.10220 0.81160 0.00671 O4 0.12040 0.21350 0.71190 0.00608