#------------------------------------------------------------------------------
#$Date: 2024-05-16 09:36:09 +0300 (Thu, 16 May 2024) $
#$Revision: 291877 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/24/9012439.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_9012439
loop_
_publ_author_name
'Verwey, E. J. W.'
'Heilmann, E. L.'
_publ_section_title
;
 Physical properties and cation arrangement of oxides with spinel structures
;
_journal_name_full               'Journal of Chemical Physics'
_journal_page_first              174
_journal_page_last               180
_journal_paper_doi               10.1063/1.1746464
_journal_volume                  15
_journal_year                    1947
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Cr2 Mg O4'
_chemical_name_mineral           Magnesiochromite
_space_group_IT_number           227
_symmetry_space_group_name_Hall  'F 4d 2 3 -1d'
_symmetry_space_group_name_H-M   'F d -3 m :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.312
_cell_length_b                   8.312
_cell_length_c                   8.312
_cell_formula_units_Z            8
_cell_volume                     574.271
_database_code_amcsd             0012945
_exptl_crystal_density_diffrn    4.448
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg Cr2 O4'
_cod_database_code               9012439
loop_
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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,3/4-x,1/4+y
3/4+z,1/4-x,3/4+y
1/4+z,3/4-x,3/4+y
1/4+z,1/4-x,1/4+y
-y,1/2+z,1/2-x
-y,+z,-x
1/2-y,1/2+z,-x
1/2-y,+z,1/2-x
3/4+x,3/4-y,1/4+z
3/4+x,1/4-y,3/4+z
1/4+x,3/4-y,3/4+z
1/4+x,1/4-y,1/4+z
-z,1/2+x,1/2-y
-z,+x,-y
1/2-z,1/2+x,-y
1/2-z,+x,1/2-y
3/4+y,3/4-z,1/4+x
3/4+y,1/4-z,3/4+x
1/4+y,3/4-z,3/4+x
1/4+y,1/4-z,1/4+x
-x,1/2+y,1/2-z
-x,+y,-z
1/2-x,1/2+y,-z
1/2-x,+y,1/2-z
1/2+x,-z,1/2-y
1/2+x,1/2-z,-y
+x,-z,-y
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3/4-z,3/4+y,1/4+x
3/4-z,1/4+y,3/4+x
1/4-z,3/4+y,3/4+x
1/4-z,1/4+y,1/4+x
1/2+y,-x,1/2-z
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3/4-x,3/4+z,1/4+y
3/4-x,1/4+z,3/4+y
1/4-x,3/4+z,3/4+y
1/4-x,1/4+z,1/4+y
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1/4-y,3/4+x,3/4+z
1/4-y,1/4+x,1/4+z
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3/4-z,3/4-y,1/4-x
3/4-z,1/4-y,3/4-x
y,1/2+x,1/2+z
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1/2+y,1/2+x,+z
1/2+y,+x,1/2+z
1/4-x,3/4-z,3/4-y
1/4-x,1/4-z,1/4-y
3/4-x,3/4-z,1/4-y
3/4-x,1/4-z,3/4-y
z,1/2+y,1/2+x
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1/2+z,1/2+y,+x
1/2+z,+y,1/2+x
1/4-y,3/4-x,3/4-z
1/4-y,1/4-x,1/4-z
3/4-y,3/4-x,1/4-z
3/4-y,1/4-x,3/4-z
3/4+z,1/4+x,3/4-y
3/4+z,3/4+x,1/4-y
1/4+z,1/4+x,1/4-y
1/4+z,3/4+x,3/4-y
-y,1/2-z,1/2+x
-y,-z,+x
1/2-y,1/2-z,+x
1/2-y,-z,1/2+x
3/4+x,1/4+y,3/4-z
3/4+x,3/4+y,1/4-z
1/4+x,1/4+y,1/4-z
1/4+x,3/4+y,3/4-z
-z,1/2-x,1/2+y
-z,-x,+y
1/2-z,1/2-x,+y
1/2-z,-x,1/2+y
3/4+y,1/4+z,3/4-x
3/4+y,3/4+z,1/4-x
1/4+y,1/4+z,1/4-x
1/4+y,3/4+z,3/4-x
-x,1/2-y,1/2+z
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1/2-x,1/2-y,+z
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1/4-z,3/4+x,3/4+y
1/4-z,1/4+x,1/4+y
3/4-z,3/4+x,1/4+y
3/4-z,1/4+x,3/4+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
1/4-x,3/4+y,3/4+z
1/4-x,1/4+y,1/4+z
3/4-x,3/4+y,1/4+z
3/4-x,1/4+y,3/4+z
z,-x,-y
z,1/2-x,1/2-y
1/2+z,-x,1/2-y
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1/4-y,3/4+z,3/4+x
1/4-y,1/4+z,1/4+x
3/4-y,3/4+z,1/4+x
3/4-y,1/4+z,3/4+x
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1/2-x,1/2+z,-y
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1/4+z,3/4-y,3/4+x
1/4+z,1/4-y,1/4+x
3/4+z,3/4-y,1/4+x
3/4+z,1/4-y,3/4+x
1/2-y,1/2+x,-z
1/2-y,+x,1/2-z
-y,1/2+x,1/2-z
-y,+x,-z
1/4+x,3/4-z,3/4+y
1/4+x,1/4-z,1/4+y
3/4+x,3/4-z,1/4+y
3/4+x,1/4-z,3/4+y
1/2-z,1/2+y,-x
1/2-z,+y,1/2-x
-z,1/2+y,1/2-x
-z,+y,-x
1/4+y,3/4-x,3/4+z
1/4+y,1/4-x,1/4+z
3/4+y,3/4-x,1/4+z
3/4+y,1/4-x,3/4+z
-x,-z,y
-x,1/2-z,1/2+y
1/2-x,-z,1/2+y
1/2-x,1/2-z,y
3/4+z,3/4+y,1/4-x
3/4+z,1/4+y,3/4-x
1/4+z,3/4+y,3/4-x
1/4+z,1/4+y,1/4-x
-y,-x,z
-y,1/2-x,1/2+z
1/2-y,-x,1/2+z
1/2-y,1/2-x,z
3/4+x,3/4+z,1/4-y
3/4+x,1/4+z,3/4-y
1/4+x,3/4+z,3/4-y
1/4+x,1/4+z,1/4-y
-z,-y,x
-z,1/2-y,1/2+x
1/2-z,-y,1/2+x
1/2-z,1/2-y,x
3/4+y,3/4+x,1/4-z
3/4+y,1/4+x,3/4-z
1/4+y,3/4+x,3/4-z
1/4+y,1/4+x,1/4-z
1/4-z,1/4-x,1/4-y
1/4-z,3/4-x,3/4-y
3/4-z,1/4-x,3/4-y
3/4-z,3/4-x,1/4-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
1/4-x,1/4-y,1/4-z
1/4-x,3/4-y,3/4-z
3/4-x,1/4-y,3/4-z
3/4-x,3/4-y,1/4-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
1/4-y,1/4-z,1/4-x
1/4-y,3/4-z,3/4-x
3/4-y,1/4-z,3/4-x
3/4-y,3/4-z,1/4-x
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
MgB 0.62500 0.62500 0.62500 0.50000
CrB 0.62500 0.62500 0.62500 0.50000
CrA 0.00000 0.00000 0.00000 1.00000
O 0.38500 0.38500 0.38500 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0012945
