#------------------------------------------------------------------------------
#$Date: 2013-05-05 15:21:46 +0100 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: svn://www.crystallography.net/cod/cif/9/00/02/9000276.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_9000276
loop_
_publ_author_name
'Wardle, R.'
'Brindley, G. W.'
_publ_section_title
;
 The crystal structures of pyrophyllite, 1Tc, and of its dehydroxylate
;
_journal_name_full               'American Mineralogist'
_journal_page_first              732
_journal_page_last               750
_journal_volume                  57
_journal_year                    1972
_chemical_formula_sum            'Al H O6 Si2'
_chemical_name_mineral           Pyrophyllite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)'
_symmetry_space_group_name_H-M   'C -1'
_cell_angle_alpha                91.03
_cell_angle_beta                 100.37
_cell_angle_gamma                89.75
_cell_length_a                   5.1614
_cell_length_b                   8.9576
_cell_length_c                   9.3511
_cell_volume                     425.206
_exptl_crystal_density_diffrn    2.814
_[local]_cod_chemical_formula_sum_orig 'Al Si2 O6 H'
_cod_database_code               9000276
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
-x,-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Al 0.50000 0.16700 0.00000
Si1 0.74800 0.00000 0.28900
Si2 0.75900 0.33100 0.28900
O1 0.67100 0.00400 0.11300
O2 0.72100 0.31900 0.11300
O-H 0.22100 0.18600 0.11300
Ob1 0.05500 0.38700 0.35300
Ob2 0.72400 0.16700 0.35300
Ob3 0.55000 0.44800 0.33600