#------------------------------------------------------------------------------
#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/27/9002754.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_9002754
loop_
_publ_author_name
'Andreozzi, G. B.'
'Princivalle, F.'
_publ_section_title
;Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at
 1000 deg C for 12h, then isothermally ordered at 700 deg C for 120 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              838
_journal_page_last               844
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.0840
_cell_length_b                   8.0840
_cell_length_c                   8.0840
_cell_volume                     528.298
_exptl_crystal_density_diffrn    3.577
_exptl_crystal_thermal_history
'annealed at 1000 deg C for 12h; isothermally ordered at 700 deg C for 120 min'
_[local]_cod_cif_authors_sg_H-M  'F d 3 m'
_[local]_cod_chemical_formula_sum_orig '(Mg Al2) O4'
_cod_database_code               9002754
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2+y,1/2+z
1/2+x,y,1/2+z
1/2+x,1/2+y,z
3/4+z,1/2-x,1/4+y
3/4+z,-x,3/4+y
1/4+z,1/2-x,3/4+y
1/4+z,-x,1/4+y
3/4-y,1/2+z,1/4-x
3/4-y,+z,3/4-x
1/4-y,1/2+z,3/4-x
1/4-y,+z,1/4-x
3/4+x,1/2-y,1/4+z
3/4+x,-y,3/4+z
1/4+x,1/2-y,3/4+z
1/4+x,-y,1/4+z
3/4-z,1/2+x,1/4-y
3/4-z,+x,3/4-y
1/4-z,1/2+x,3/4-y
1/4-z,+x,1/4-y
3/4+y,1/2-z,1/4+x
3/4+y,-z,3/4+x
1/4+y,1/2-z,3/4+x
1/4+y,-z,1/4+x
3/4-x,1/2+y,1/4-z
3/4-x,+y,3/4-z
1/4-x,1/2+y,3/4-z
1/4-x,+y,1/4-z
1/2+x,3/4-z,1/4-y
1/2+x,1/4-z,3/4-y
+x,3/4-z,3/4-y
+x,1/4-z,1/4-y
1/2-z,3/4+y,1/4+x
1/2-z,1/4+y,3/4+x
-z,3/4+y,3/4+x
-z,1/4+y,1/4+x
1/2+y,3/4-x,1/4-z
1/2+y,1/4-x,3/4-z
+y,3/4-x,3/4-z
+y,1/4-x,1/4-z
1/2-x,3/4+z,1/4+y
1/2-x,1/4+z,3/4+y
-x,3/4+z,3/4+y
-x,1/4+z,1/4+y
1/2+z,3/4-y,1/4-x
1/2+z,1/4-y,3/4-x
+z,3/4-y,3/4-x
+z,1/4-y,1/4-x
1/2-y,3/4+x,1/4+z
1/2-y,1/4+x,3/4+z
-y,3/4+x,3/4+z
-y,1/4+x,1/4+z
x,1/2+z,1/2+y
x,+z,+y
1/2+x,1/2+z,+y
1/2+x,+z,1/2+y
-z,1/2-y,1/2-x
-z,-y,-x
1/2-z,1/2-y,-x
1/2-z,-y,1/2-x
y,1/2+x,1/2+z
y,+x,+z
1/2+y,1/2+x,+z
1/2+y,+x,1/2+z
-x,1/2-z,1/2-y
-x,-z,-y
1/2-x,1/2-z,-y
1/2-x,-z,1/2-y
z,1/2+y,1/2+x
z,+y,+x
1/2+z,1/2+y,+x
1/2+z,+y,1/2+x
-y,1/2-x,1/2-z
-y,-x,-z
1/2-y,1/2-x,-z
1/2-y,-x,1/2-z
3/4+z,1/4+x,1/2-y
3/4+z,3/4+x,-y
1/4+z,1/4+x,-y
1/4+z,3/4+x,1/2-y
3/4-y,1/4-z,1/2+x
3/4-y,3/4-z,+x
1/4-y,1/4-z,+x
1/4-y,3/4-z,1/2+x
3/4+x,1/4+y,1/2-z
3/4+x,3/4+y,-z
1/4+x,1/4+y,-z
1/4+x,3/4+y,1/2-z
3/4-z,1/4-x,1/2+y
3/4-z,3/4-x,+y
1/4-z,1/4-x,+y
1/4-z,3/4-x,1/2+y
3/4+y,1/4+z,1/2-x
3/4+y,3/4+z,-x
1/4+y,1/4+z,-x
1/4+y,3/4+z,1/2-x
3/4-x,1/4-y,1/2+z
3/4-x,3/4-y,+z
1/4-x,1/4-y,+z
1/4-x,3/4-y,1/2+z
-z,3/4+x,3/4+y
-z,1/4+x,1/4+y
1/2-z,3/4+x,1/4+y
1/2-z,1/4+x,3/4+y
y,3/4-z,3/4-x
y,1/4-z,1/4-x
1/2+y,3/4-z,1/4-x
1/2+y,1/4-z,3/4-x
-x,3/4+y,3/4+z
-x,1/4+y,1/4+z
1/2-x,3/4+y,1/4+z
1/2-x,1/4+y,3/4+z
z,3/4-x,3/4-y
z,1/4-x,1/4-y
1/2+z,3/4-x,1/4-y
1/2+z,1/4-x,3/4-y
-y,3/4+z,3/4+x
-y,1/4+z,1/4+x
1/2-y,3/4+z,1/4+x
1/2-y,1/4+z,3/4+x
x,3/4-y,3/4-z
x,1/4-y,1/4-z
1/2+x,3/4-y,1/4-z
1/2+x,1/4-y,3/4-z
1/4-x,1/2+z,3/4-y
1/4-x,+z,1/4-y
3/4-x,1/2+z,1/4-y
3/4-x,+z,3/4-y
1/4+z,1/2-y,3/4+x
1/4+z,-y,1/4+x
3/4+z,1/2-y,1/4+x
3/4+z,-y,3/4+x
1/4-y,1/2+x,3/4-z
1/4-y,+x,1/4-z
3/4-y,1/2+x,1/4-z
3/4-y,+x,3/4-z
1/4+x,1/2-z,3/4+y
1/4+x,-z,1/4+y
3/4+x,1/2-z,1/4+y
3/4+x,-z,3/4+y
1/4-z,1/2+y,3/4-x
1/4-z,+y,1/4-x
3/4-z,1/2+y,1/4-x
3/4-z,+y,3/4-x
1/4+y,1/2-x,3/4+z
1/4+y,-x,1/4+z
3/4+y,1/2-x,1/4+z
3/4+y,-x,3/4+z
3/4-x,3/4-z,y
3/4-x,1/4-z,1/2+y
1/4-x,3/4-z,1/2+y
1/4-x,1/4-z,y
3/4+z,3/4+y,-x
3/4+z,1/4+y,1/2-x
1/4+z,3/4+y,1/2-x
1/4+z,1/4+y,-x
3/4-y,3/4-x,z
3/4-y,1/4-x,1/2+z
1/4-y,3/4-x,1/2+z
1/4-y,1/4-x,z
3/4+x,3/4+z,-y
3/4+x,1/4+z,1/2-y
1/4+x,3/4+z,1/2-y
1/4+x,1/4+z,-y
3/4-z,3/4-y,x
3/4-z,1/4-y,1/2+x
1/4-z,3/4-y,1/2+x
1/4-z,1/4-y,x
3/4+y,3/4+x,-z
3/4+y,1/4+x,1/2-z
1/4+y,3/4+x,1/2-z
1/4+y,1/4+x,-z
-z,-x,-y
-z,1/2-x,1/2-y
1/2-z,-x,1/2-y
1/2-z,1/2-x,-y
y,z,x
y,1/2+z,1/2+x
1/2+y,z,1/2+x
1/2+y,1/2+z,x
-x,-y,-z
-x,1/2-y,1/2-z
1/2-x,-y,1/2-z
1/2-x,1/2-y,-z
z,x,y
z,1/2+x,1/2+y
1/2+z,x,1/2+y
1/2+z,1/2+x,y
-y,-z,-x
-y,1/2-z,1/2-x
1/2-y,-z,1/2-x
1/2-y,1/2-z,-x
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
Mg 0.12500 0.12500 0.12500 0.76200 0.00400
Al 0.12500 0.12500 0.12500 0.23800 0.00400
Al 0.50000 0.50000 0.50000 0.88100 0.00380
Mg 0.50000 0.50000 0.50000 0.11900 0.00380
O 0.26214 0.26214 0.26214 1.00000 0.00710