data_global _chemical_name_mineral 'Allabogdanite' loop_ _publ_author_name 'Britvin S N' 'Rudashevsky N S' 'Krivovichev S V' 'Burns P C' 'Polekhovsky Y S' _journal_name_full 'American Mineralogist' _journal_volume 87 _journal_year 2002 _journal_page_first 1245 _journal_page_last 1249 _publ_section_title ; Allabogdanite, (Fe,Ni)2P, a new mineral from the Onello meteorite: The occurence and crystal structure ; _database_code_amcsd 0002898 _chemical_formula_sum '(Fe1.5 Ni.5) P' _cell_length_a 5.792 _cell_length_b 3.564 _cell_length_c 6.691 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 138.120 _exptl_crystal_density_diffrn 6.929 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-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_U_iso_or_equiv Fe1 0.35770 0.25000 0.93570 0.75000 0.00950 Ni1 0.35770 0.25000 0.93570 0.25000 0.00950 Fe2 0.46930 0.25000 0.33240 0.75000 0.01110 Ni2 0.46930 0.25000 0.33240 0.25000 0.01110 P 0.24430 0.25000 0.62250 1.00000 0.00710 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 Fe1 0.01290 0.00840 0.00720 0.00000 0.00010 0.00000 Ni1 0.01290 0.00840 0.00720 0.00000 0.00010 0.00000 Fe2 0.01400 0.01140 0.00800 0.00000 0.00100 0.00000 Ni2 0.01400 0.01140 0.00800 0.00000 0.00100 0.00000 P 0.00900 0.00700 0.00500 0.00000 0.00020 0.00000