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#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/36/9013631.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_9013631
loop_
_publ_author_name
'Lee, Y. J.'
'Stephens, P. W.'
'Tang, Y.'
'Li, W.'
'Phillips, B. L.'
'Parise, J. B.'
'Reeder, R. J.'
_publ_section_title
;
 Arsenate substitution in hydroxylapatite: Structural characterization of the
 Ca5(PxAs1-xO4)3OH solid solution
 Sample: As66
 Locality: synthetic
;
_journal_name_full               'American Mineralogist'
_journal_page_first              666
_journal_page_last               675
_journal_volume                  94
_journal_year                    2009
_chemical_formula_sum            'As1.972 Ca5 H O13 P1.028'
_chemical_name_mineral           Johnbaumite
_space_group_IT_number           176
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   9.6311
_cell_length_b                   9.6311
_cell_length_c                   6.9556
_cell_volume                     558.749
_exptl_crystal_density_diffrn    3.501
_[local]_cod_chemical_formula_sum_orig 'Ca5 (As1.972 P1.028) O13 H'
_cod_database_code               9013631
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+y,-x,1/2-z
x-y,x,1/2+z
y,-x+y,-z
-y,x-y,z
x,y,1/2-z
-x,-y,1/2+z
x-y,x,-z
-x+y,-x,z
-y,x-y,1/2-z
y,-x+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
Ca1 0.33333 0.66667 0.00361 1.00000 0.01188
Ca2 0.24578 0.99645 0.25000 1.00000 0.01188
As 0.39679 0.36873 0.25000 0.65730 0.01188
P 0.39679 0.36873 0.25000 0.34270 0.01188
O1 0.31574 0.48814 0.25000 1.00000 0.01188
O2 0.59280 0.46464 0.25000 1.00000 0.01188
O3 0.33820 0.25264 0.05984 1.00000 0.01188
O-H4 0.00000 0.00000 0.69550 0.50000 0.01188