#------------------------------------------------------------------------------
#$Date: 2024-05-29 17:00:33 +0300 (Wed, 29 May 2024) $
#$Revision: 292100 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/61/9016111.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_9016111
loop_
_publ_author_name
'Ye, Y.'
'Brown, D. A.'
'Smyth, J. R.'
'Panero, W. R.'
'Jacobsen, S. D.'
'Chang, Y. Y.'
'Townsend, J. P.'
'Thomas, S. M.'
'Hauri, E. H.'
'Dera, P.'
'Frost, D. J.'
_publ_section_title
;
 Compressibility and thermal expansion of hydrous ringwoodite with 2.5(3) wt% H2O
 Note: at room T after heating to T = 685 K, split Si model
;
_journal_name_full               'American Mineralogist'
_journal_page_first              573
_journal_page_last               582
_journal_paper_doi               10.2138/am.2012.4010
_journal_volume                  97
_journal_year                    2012
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Mg1.84 O4 Si0.98'
_chemical_name_mineral           Ringwoodite
_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                   8.1031
_cell_length_b                   8.1031
_cell_length_c                   8.1031
_cell_formula_units_Z            8
_cell_volume                     532.051
_database_code_amcsd             0018841
_exptl_crystal_density_diffrn    3.402
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.84 Si.98 O4'
_cod_database_code               9016111
loop_
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x,y,z
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1/2+x,y,1/2+z
1/2+x,1/2+y,z
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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
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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
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3/4-x,1/4-z,1/2+y
1/4-x,3/4-z,1/2+y
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3/4+z,1/4+y,1/2-x
1/4+z,3/4+y,1/2-x
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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
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3/4+x,1/4+z,1/2-y
1/4+x,3/4+z,1/2-y
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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
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3/4+y,1/4+x,1/2-z
1/4+y,3/4+x,1/2-z
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1/2-z,1/2-x,-y
y,z,x
y,1/2+z,1/2+x
1/2+y,z,1/2+x
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z,x,y
z,1/2+x,1/2+y
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1/2-y,-z,1/2-x
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loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Mg 0.50000 0.50000 0.50000 0.92000
Si1 0.12500 0.12500 0.12500 0.92000
Si2 0.50000 0.50000 0.00000 0.03000
O 0.24420 0.24420 0.24420 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0018841
