#------------------------------------------------------------------------------
#$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/02/1000206.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1000206
loop_
_publ_author_name
'Leblanc, M'
'Ferey, G'
'Pape, R'
_publ_section_title
;
Room-Temperature Structure of Ammonium Tetrafluorate(III), N H₄ (Fe
F₄)
;
_journal_coden_ASTM              ACSCEE
_journal_name_full               'Acta Crystallographica C (39,1983-)'
_journal_page_first              657
_journal_page_last               660
_journal_volume                  41
_journal_year                    1985
_chemical_formula_structural     'N H4 (Fe F4)'
_chemical_formula_sum            'F4 Fe H4 N'
_chemical_name_systematic        'Ammonium tetrafluoroferrate(III)'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   7.559(4)
_cell_length_b                   7.575(4)
_cell_length_c                   12.754(8)
_cell_volume                     730.3
_refine_ls_R_factor_all          0.026
_cod_original_formula_sum        'H4 F4 Fe N'
_cod_database_code               1000206
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,1/2-z
-x,1/2+y,-z
1/2-x,-y,1/2+z
-x,-y,-z
1/2-x,1/2+y,1/2+z
x,1/2-y,z
1/2+x,y,1/2-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Fe1 Fe3+ 4 a 0. 0. 0. 1. 0 d
Fe2 Fe3+ 4 b 0. 0. 0.5 1. 0 d
F1 F1- 4 c 0.0364(6) 0.25 -0.0309(4) 1. 0 d
F2 F1- 8 d 0.2501(3) 0.0047(4) 0.4695(3) 1. 0 d
F3 F1- 4 c 0.4492(6) 0.25 0.0187(3) 1. 0 d
F4 F1- 8 d 0.0484(5) 0.0352(5) 0.1418(3) 1. 0 d
F5 F1- 8 d 0.0360(4) 0.0331(5) 0.6438(3) 1. 0 d
N1 N3- 4 c 0.2880(9) 0.25 0.2562(7) 1. 0 d
N2 N3- 4 c 0.2747(7) 0.25 0.7594(6) 1. 0 d
H1 H1+ 32 ? -1. -1. -1. 1. 0 dum
loop_
_atom_type_symbol
_atom_type_oxidation_number
Fe3+ 3.000
F1- -1.000
N3- -3.000
H1+ 1.000
