data_global _amcsd_formula_title 'Ca3 Mn3 O8.02' loop_ _publ_author_name 'Nguyen N' 'Calage Y' 'Varret F' 'Ferey G' 'Caignaert V' 'Hervieu M' 'Raveau B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 53 _journal_year 1984 _journal_page_first 398 _journal_page_last 405 _publ_section_title ; The oxygen defect Perovskite Ca3 Mn1.35 Fe1.65 O8.02: a highly frustrated antiferromagnet _cod_database_code 1000194 ; _database_code_amcsd 0013529 _chemical_formula_sum 'Ca3 Mn3 O8' _cell_length_a 5.332 _cell_length_b 11.13 _cell_length_c 5.455 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 323.728 _exptl_crystal_density_diffrn 4.237 _symmetry_space_group_name_H-M 'P m 2 a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,y,-z' '1/2-x,y,z' '-x,y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ca1 0.25000 0.50000 0.75000 1.00000 Ca2 0.24000 0.18300 0.70000 0.50000 Ca3 0.24000 0.83400 0.70000 0.50000 Mn1 0.27000 0.33200 0.25900 0.50000 Mn2 0.25000 0.66500 0.25500 1.00000 Mn3 0.23200 0.00000 0.23700 0.50000 O1 0.00000 0.32900 0.00000 1.00000 O2 0.00000 0.66500 0.00000 1.00000 O3 0.00000 0.33000 0.50000 1.00000 O4 0.00000 0.66000 0.50000 1.00000 O5 0.25000 0.50000 0.25000 0.70000 O6 0.25000 0.17000 0.25000 1.00000 O7 0.25000 0.82900 0.25000 1.00000 O8 0.00000 0.01000 0.00000 1.00000 O9 0.00000 0.01000 0.50000 0.30000