data_global _chemical_name_mineral 'Maricite' loop_ _publ_author_name 'Le Page Y' 'Donnay G' _journal_name_full 'The Canadian Mineralogist' _journal_volume 15 _journal_year 1977 _journal_page_first 518 _journal_page_last 521 _publ_section_title ; The crystal structure of the new mineral maricite, NaFePO4 ; _database_code_amcsd 0005143 _chemical_formula_sum 'Na (Fe.9 Mn.06 Mg.03 Ca.01) P O4' _cell_length_a 6.861 _cell_length_b 8.987 _cell_length_c 5.045 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 311.074 _exptl_crystal_density_diffrn 3.686 _symmetry_space_group_name_H-M 'P m n b' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-x,y,z' '1/2+x,-y,-z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' 'x,1/2+y,1/2-z' '-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_occupancy Na 0.25000 0.85080 0.53050 1.00000 Fe 0.00000 0.00000 0.00000 0.90000 Mn 0.00000 0.00000 0.00000 0.06000 Mg 0.00000 0.00000 0.00000 0.03000 Ca 0.00000 0.00000 0.00000 0.01000 P 0.25000 0.17600 0.46400 1.00000 O1 0.25000 0.11640 0.75210 1.00000 O2 0.25000 0.34920 0.45570 1.00000 O3 0.06920 0.12130 0.31740 1.00000 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 Na 0.01600 0.01200 0.01100 0.00000 0.00000 0.00000 Fe 0.00870 0.00640 0.00820 0.00220 -0.00310 -0.00400 Mn 0.00870 0.00640 0.00820 0.00220 -0.00310 -0.00400 Mg 0.00870 0.00640 0.00820 0.00220 -0.00310 -0.00400 Ca 0.00870 0.00640 0.00820 0.00220 -0.00310 -0.00400 P 0.00640 0.00290 0.00370 0.00000 0.00000 -0.00010 O1 0.01400 0.00650 0.00710 0.00000 0.00000 0.00200 O2 0.00900 0.00300 0.01000 0.00000 0.00000 0.00100 O3 0.00800 0.01000 0.01000 0.00200 -0.00100 -0.00400