#------------------------------------------------------------------------------
#$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $
#$Revision: 1210 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9004774.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_9004774
loop_
_publ_author_name
'Peterson, R. C.'
_publ_section_title
;
 The relatinship between Cu content and distortion in the atomic structure
 of melanterite from the Richmond mine, Iron Mountain, California
 Sample: M10b
 Locality: Richmond mine, Iron Mountain, California
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              937
_journal_page_last               949
_journal_volume                  41
_journal_year                    2003
_chemical_formula_sum            'Cu0.2 Fe1.8 H28 O22 S2'
_chemical_name_mineral           Melanterite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 105.75
_cell_angle_gamma                90
_cell_length_a                   14.060
_cell_length_b                   6.505
_cell_length_c                   10.943
_cell_volume                     963.273
_exptl_crystal_density_diffrn    1.922
_[local]_cod_chemical_formula_sum_orig 'Fe1.8 Cu.2 S2 O22 H28'
_cod_database_code               9004774
_amcsd_database_code             AMCSD#0005827
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2-y,1/2+z
-x,1/2+y,1/2-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Fe1 0.00000 0.00000 0.00000 1.00000 ?
Fe2 0.50000 0.00000 0.50000 0.80000 ?
Cu2 0.50000 0.00000 0.50000 0.20000 ?
S 0.77300 -0.02960 0.32410 1.00000 0.02080
O1 0.79540 -0.02980 0.46420 1.00000 0.02860
O2 0.86280 0.03690 0.28870 1.00000 0.03111
O3 0.69080 0.11480 0.27330 1.00000 0.03660
O4 0.74590 -0.23930 0.27480 1.00000 0.03138
Wat5 -0.11300 -0.11520 0.06890 1.00000 0.05025
Wat6 0.10260 -0.04350 0.18360 1.00000 0.03579
Wat7 -0.03040 0.29580 0.06690 1.00000 0.03217
Wat8 0.52070 -0.04150 0.31970 1.00000 0.03486
Wat9 0.42990 0.28400 0.44170 1.00000 0.03474
Wat10 0.35270 -0.14470 0.43990 1.00000 0.03527
Wat11 0.36370 0.00470 0.11400 1.00000 0.03423