#------------------------------------------------------------------------------
#$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $
#$Revision: 176465 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/24/9012424.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_9012424
loop_
_publ_author_name
'Dahlman, B.'
_publ_section_title
;The crystal structures of krohnkite, CuNa2(SO4)2*2H2O and brandtite,
 MnCa2(AsO4)2*2H2O Locality: Chuquicamata, Chile
;
_journal_name_full               'Arkiv for Mineralogi och Geologi'
_journal_page_first              339
_journal_page_last               366
_journal_volume                  1
_journal_year                    1952
_chemical_formula_sum            'Cu H4 Na2 O10 S2'
_chemical_name_mineral           Krohnkite
_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                 71.5
_cell_angle_gamma                90
_cell_length_a                   5.78
_cell_length_b                   12.58
_cell_length_c                   5.48
_cell_volume                     377.873
_exptl_crystal_density_diffrn    2.968
_cod_original_formula_sum        'Cu Na2 S2 O10 H4'
_cod_database_code               9012424
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
Cu 0.00000 0.00000 0.00000
Na 0.42700 0.12600 0.23700
S 0.76600 0.11800 0.57800
O1 0.00000 0.16500 0.48000
O2 0.73300 0.04900 0.80300
O3 0.73300 0.04900 0.35800
O4 0.57100 0.19600 0.62200
Wat 0.17300 0.13000 0.98700