data_global _amcsd_formula_title 'F5 Fe H8 N2' loop_ _publ_author_name 'Croguennec L' 'Deniard P' 'Brec R' 'Couzi M' 'Sourisseau C' 'Fourquet J' 'Calage Y' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 131 _journal_year 1997 _journal_page_first 189 _journal_page_last 197 _publ_section_title ; Structural and spectroscopic evidence for hydrogen bonding induced (N H4)(+) cation ordering in beta-(N H4)2 Fe F5 at low temperature _cod_database_code 1000445 ; _database_code_amcsd 0013924 _chemical_formula_sum 'N2 Fe F5' _cell_length_a 6.3385 _cell_length_b 7.6191 _cell_length_c 11.0298 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 532.669 _exptl_crystal_density_diffrn 2.230 _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 N1 0.42800 0.25000 0.19580 N2 0.51000 0.25000 0.85840 Fe1 0.00000 0.00000 0.00000 F1 0.08800 0.25000 0.00820 F2 0.22710 0.05210 0.43670 F3 0.10510 0.52650 0.15950