#------------------------------------------------------------------------------
#$Date: 2017-10-06 19:24:22 +0300 (Fri, 06 Oct 2017) $
#$Revision: 201816 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/65/9016581.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9016581
loop_
_publ_author_name
'Hawthorne, F. C.'
_publ_section_title
;
 The hydrogen positions in scorodite
;
_journal_name_full               'Acta Crystallographica, Section B'
_journal_page_first              2891
_journal_page_last               2892
_journal_paper_doi               10.1107/S0567740876009138
_journal_volume                  32
_journal_year                    1976
_chemical_compound_source        'not given'
_chemical_formula_sum            'As Fe H4 O6'
_chemical_name_mineral           Scorodite
_space_group_IT_number           61
_symmetry_space_group_name_Hall  '-P 2bc 2ac'
_symmetry_space_group_name_H-M   'P c a b'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   8.937
_cell_length_b                   10.278
_cell_length_c                   9.996
_cell_volume                     918.177
_database_code_amcsd             0018660
_exptl_crystal_density_diffrn    3.339
_cod_original_formula_sum        'Fe As O6 H4'
_cod_database_code               9016581
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2+y,1/2-z
-x,1/2-y,1/2+z
1/2-x,y,1/2+z
1/2+x,-y,1/2-z
1/2+x,1/2-y,z
1/2-x,1/2+y,-z
-x,-y,-z
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Fe 0.02104 0.01873 0.02075 0.00047 0.00091 0.00052
As 0.01821 0.01713 0.01873 0.00000 0.00045 0.00052
O1 0.02590 0.01820 0.02531 -0.00140 0.00091 0.00312
O2 0.02671 0.02034 0.02278 -0.00093 0.00724 0.00000
O3 0.01821 0.03318 0.02582 -0.00512 -0.00362 0.00156
O4 0.02185 0.02783 0.02075 0.00140 -0.00091 0.00104
OW1 0.03277 0.03211 0.02430 0.00233 -0.00091 0.00520
OW2 0.02145 0.02355 0.03037 0.00000 -0.00362 -0.00052
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_type_symbol
Fe 0.14680 0.12690 0.18230 0.02014 Fe
As 0.46460 0.15160 0.36360 0.01798 As
O1 0.49550 0.30120 0.30440 0.02318 O
O2 0.58310 0.05080 0.28300 0.02318 O
O3 0.28590 0.11020 0.33290 0.02558 O
O4 0.49510 0.14260 0.52930 0.02330 O
OW1 0.32820 0.55430 0.43050 0.02976 O
OW2 0.22770 0.80060 0.38360 0.02508 O
H1 0.37700 0.47600 0.39700 0.01900 H
H2 0.30100 0.53400 0.50100 0.01900 H
H3 0.15700 0.85400 0.29700 0.01900 H
H4 0.31000 0.81000 0.41800 0.01900 H
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0018660