#------------------------------------------------------------------------------
#$Date: 2016-02-14 15:26:36 +0100 (Sun 14 de Feb de 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/04/1000446.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_1000446
loop_
_publ_author_name
'Croguennec, L'
'Deniard, P'
'Brec, R'
'Couzi, M'
'Sourisseau, C'
'Fourquet, J L'
'Calage, Y'
_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
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              189
_journal_page_last               197
_journal_paper_doi               10.1006/jssc.1997.7269
_journal_volume                  131
_journal_year                    1997
_chemical_formula_structural     '(N H4)2 (Fe F5)'
_chemical_formula_sum            'F5 Fe H8 N2'
_chemical_name_systematic
;
Diammonium catena-pentafluoroferrate(III) - $-beta
;
_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            4
_cell_length_a                   6.3269(5)
_cell_length_b                   7.6076(2)
_cell_length_c                   10.9802(9)
_cell_volume                     528.5
_refine_ls_R_factor_all          0.013
_cod_original_formula_sum        'H8 F5 Fe N2'
_cod_database_code               1000446
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
N1 N3- 4 c 0.442(4) 0.25 0.198(3) 1. 4 d
N2 N3- 4 c 0.512(4) 0.25 0.854(3) 1. 4 d
Fe1 Fe3+ 4 a 0. 0. 0. 1. 0 d
F1 F1- 4 c 0.081(1) 0.25 -0.002(2) 1. 0 d
F2 F1- 8 d 0.225(2) 0.045(1) 0.442(1) 1. 0 d
F3 F1- 8 d 0.102(2) 0.546(2) 0.163(1) 1. 0 d
H1 H1+ 8 d 0.426(7) 0.3573 0.872(8) 1. 0 d
H2 H1+ 4 c 0.64(1) 0.25 0.90(1) 1. 0 d
H3 H1+ 4 c 0.55(2) 0.25 0.766(5) 1. 0 d
H4 H1+ 8 d -1. -1. -1. 2. 0 dum
loop_
_atom_type_symbol
_atom_type_oxidation_number
N3- -3.000
Fe3+ 3.000
F1- -1.000
H1+ 1.000
