data_9007616 _chemical_name 'Ferrisicklerite' loop_ _publ_author_name 'Alberti A' _journal_name_full "Acta Crystallographica, Section B" _journal_volume 32 _journal_year 1976 _journal_page_first 2761 _journal_page_last 2764 _publ_section_title ; Crystal structure of ferrisicklerite, Li<1(Fe3+,Mn2+)PO4 Locality: Sidi-Bou-Othmane, Jebilet, Morocco ; _chemical_formula_sum 'Li.301 Na.014 Fe.614 Mn.333 Mg.036 Ca.017 P.965 O4' _cell_length_a 5.918 _cell_length_b 10.037 _cell_length_c 4.798 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 284.996 _symmetry_space_group_name_H-M 'P m n b' loop_ _symmetry_equiv_pos_as_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 _atom_site_Uiso_or_equiv LiM1 0.00000 0.00000 0.00000 0.30100 0.02533 NaM1 0.00000 0.00000 0.00000 0.01350 0.02533 Fe3+M2 0.25000 0.27815 -0.03639 0.60700 0.00798 MnM2 0.25000 0.27815 -0.03639 0.33300 0.00798 MgM2 0.25000 0.27815 -0.03639 0.03600 0.00798 CaM2 0.25000 0.27815 -0.03639 0.01700 0.00798 Fe2+M2 0.25000 0.27815 -0.03639 0.00700 0.00798 P 0.25000 0.09593 0.41110 0.96500 0.00684 O1 0.25000 0.11485 -0.27659 1.00000 0.01545 O2 0.25000 0.44926 0.17125 1.00000 0.01507 O3 0.04701 0.16877 0.26785 1.00000 0.01482