data_global _amcsd_formula_title 'Ba Fe0.233 Mn0.767 O2.87' loop_ _publ_author_name 'Caignaert V' 'Hervieu M' 'Domenges B' 'Nguyen N' 'Pannetier J' 'Raveau B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 73 _journal_year 1988 _journal_page_first 107 _journal_page_last 117 _publ_section_title ; BaMn1-xFexO3-d, and Oxygen-Deficient 6H' Oxide Electron Microscopy, Powder Neutron Diffraction, and Mossbauer Study _cod_database_code 1001348 ; _database_code_amcsd 0013610 _chemical_formula_sum 'Ba (Mn.77 Fe.23) O2.87' _cell_length_a 5.687 _cell_length_b 5.687 _cell_length_c 14.167 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 396.803 _exptl_crystal_density_diffrn 5.986 _symmetry_space_group_name_H-M 'P -6 m 2' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,x-y,-z' '-x+y,-x,-z' '-y,-x,z' '-y,x-y,z' '-x+y,y,-z' 'x,y,-z' 'x,x-y,z' '-x+y,-x,z' '-y,-x,-z' '-y,x-y,-z' '-x+y,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ba1 0.00000 0.00000 0.00000 1.00000 Ba2 0.33333 0.66667 0.50000 1.00000 Ba3 0.33333 0.66667 0.17800 1.00000 Ba4 0.66667 0.33333 0.34200 1.00000 Mn1 0.00000 0.00000 0.24300 0.87000 Fe1 0.00000 0.00000 0.24300 0.13000 Mn2 0.00000 0.00000 0.41700 0.98000 Fe2 0.00000 0.00000 0.41700 0.02000 Mn3 0.66667 0.33333 0.11300 0.46000 Fe3 0.66667 0.33333 0.11300 0.54000 O1 0.84800 0.69600 0.50000 1.00000 O2 0.52300 0.04600 0.00000 0.74000 O3 0.83600 0.67200 0.16600 1.00000 O4 0.15200 0.30400 0.32900 1.00000