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#$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $
#$Revision: 1071 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000401.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_9000401
loop_
_publ_author_name
'Moore, P. B.'
'Araki, T.'
_publ_section_title
;
 Montgomeryite, Ca4Mg(H2O)12[Al4(OH)4(PO4)6]:. Its crystal structure and
 relation to Vauxite, Fe2(H2O)4[Al4(OH)4(H2O)4(PO4)4].4H2O
;
_journal_name_full               'American Mineralogist'
_journal_page_first              843
_journal_page_last               850
_journal_volume                  59
_journal_year                    1974
_chemical_formula_sum            'Al2 Ca2 H14 Mg0.5 O20 P3'
_chemical_name_mineral           Montgomeryite
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 91.55
_cell_angle_gamma                90
_cell_length_a                   10.023
_cell_length_b                   24.121
_cell_length_c                   6.243
_cell_volume                     1508.785
_exptl_crystal_density_diffrn    2.524
_[local]_cod_data_source_file    cifdata.txt
_[local]_cod_data_source_block   'global_410'
_[local]_cod_chemical_formula_sum_orig 'Ca2 Mg.5 Al2 P3 O20 H14'
_cod_database_code               9000401
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
-x,y,1/2-z
1/2-x,1/2+y,1/2-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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ca1 0.00000 0.06115 0.25000 1.00000 0.01710
Ca2 0.00000 0.33098 0.25000 1.00000 0.01305
Mg 0.00000 0.47080 0.25000 0.50000 0.00950
Al1 0.25000 0.25000 0.00000 1.00000 0.01001
Al2 0.00000 0.17151 -0.25000 1.00000 0.01064
P1 0.50000 0.29944 -0.25000 1.00000 0.00937
P2 0.25820 0.11548 -0.04050 1.00000 0.01102
O1 0.61720 0.26040 0.70720 1.00000 0.01431
O2 0.46930 0.33660 0.55480 1.00000 0.01418
O3 0.30960 0.17490 0.01200 1.00000 0.01343
O4 0.37540 0.08720 -0.14970 1.00000 0.01570
O5 0.13620 0.11780 -0.20090 1.00000 0.01570
O6 0.21840 0.08560 0.16200 1.00000 0.02140
O-H 0.37120 0.27150 0.21890 1.00000 0.01115
Wat1 0.16140 0.33010 0.52920 1.00000 0.02672
Wat2 0.11220 0.02610 0.58260 1.00000 0.02014
Wat3 0.11880 0.47310 0.57230 1.00000 0.04673