#------------------------------------------------------------------------------
#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/01/9000122.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_9000122
loop_
_publ_author_name
'Bailey, S. W.'
_publ_section_title
;
 Polymorphism of the kaolin minerals
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1196
_journal_page_last               1209
_journal_volume                  48
_journal_year                    1963
_chemical_formula_sum            'Al2 H4 O9 Si2'
_chemical_name_mineral           Dickite
_space_group_IT_number           9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 103.58
_cell_angle_gamma                90
_cell_length_a                   5.150
_cell_length_b                   8.940
_cell_length_c                   14.736
_cell_volume                     659.492
_exptl_crystal_density_diffrn    2.600
_[local]_cod_chemical_formula_sum_orig 'Si2 Al2 O9 H4'
_cod_database_code               9000122
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,1/2+z
1/2+x,1/2-y,1/2+z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si1 0.02880 0.34990 0.04050
Si2 0.54000 0.17680 0.04020
Al1 0.31660 0.49660 0.23200
Al2 0.81160 0.33300 0.23060
O1 0.03850 0.51270 -0.00610
O2 0.73550 0.27760 -0.00580
O3 0.24120 0.23950 0.00580
O4 0.07200 0.36240 0.15230
O5 0.64160 0.16870 0.15260
O-H1 0.57560 0.47420 0.15740
O-H2 0.05090 0.47670 0.29480
O-H3 0.55090 0.35510 0.29810
O-H4 0.96350 0.16680 0.29630