#------------------------------------------------------------------------------
#$Date: 2018-07-24 16:53:47 +0300 (Tue, 24 Jul 2018) $
#$Revision: 209240 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/54/97/1549722.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1549722
loop_
_publ_author_name
'Sasaki, S.'
'Prewitt, C.T.'
'Sato, Y.'
'Ito, E.'
_publ_section_title
;
 Single-crystal X Ray study of gamma Mg2SiO4 : partially disordered model
 (final result)
;
_journal_name_full
'Journal of Geophysical Research: Solid Earth'
_journal_page_first              7829
_journal_page_last               7832
_journal_volume                  87
_journal_year                    1982
_chemical_formula_sum            'Mg2 O4 Si'
_chemical_name_common            ringwoodite
_chemical_name_mineral           ringwoodite
_space_group_IT_number           227
_space_group_name_H-M_alt        'F d -3 m'
_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_formula_units_Z            8
_cell_length_a                   8.0649(1)
_cell_length_b                   8.0649(1)
_cell_length_c                   8.0649(1)
_cell_volume                     524.562(11)
_cod_data_source_file            Mg2SiO4-gamma_JGR_ocup.cif
_cod_data_source_block           Mg2SiO4_ringwoodite_disorder
_cod_original_formula_sum        'Mg2 Si O4'
_cod_database_code               1549722
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, -y+1/2, z+1/2'
'-x+1/2, y+1/2, -z'
'x+1/2, -y, -z+1/2'
'z, x, y'
'z+1/2, -x, -y+1/2'
'-z, -x+1/2, y+1/2'
'-z+1/2, x+1/2, -y'
'y, z, x'
'-y+1/2, z+1/2, -x'
'y+1/2, -z, -x+1/2'
'-y, -z+1/2, x+1/2'
'y+3/4, x+1/4, -z+3/4'
'-y+1/4, -x+1/4, -z+1/4'
'y+1/4, -x+3/4, z+3/4'
'-y+3/4, x+3/4, z+1/4'
'x+3/4, z+1/4, -y+3/4'
'-x+3/4, z+3/4, y+1/4'
'-x+1/4, -z+1/4, -y+1/4'
'x+1/4, -z+3/4, y+3/4'
'z+3/4, y+1/4, -x+3/4'
'z+1/4, -y+3/4, x+3/4'
'-z+3/4, y+3/4, x+1/4'
'-z+1/4, -y+1/4, -x+1/4'
'-x+1/4, -y+1/4, -z+1/4'
'x+1/4, y+3/4, -z+3/4'
'x+3/4, -y+3/4, z+1/4'
'-x+3/4, y+1/4, z+3/4'
'-z+1/4, -x+1/4, -y+1/4'
'-z+3/4, x+1/4, y+3/4'
'z+1/4, x+3/4, -y+3/4'
'z+3/4, -x+3/4, y+1/4'
'-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+1/4, z+3/4, -x+3/4'
'-y+1/2, -x, z+1/2'
'y, x, z'
'-y, x+1/2, -z+1/2'
'y+1/2, -x+1/2, -z'
'-x+1/2, -z, y+1/2'
'x+1/2, -z+1/2, -y'
'x, z, y'
'-x, z+1/2, -y+1/2'
'-z+1/2, -y, x+1/2'
'-z, y+1/2, -x+1/2'
'z+1/2, -y+1/2, -x'
'z, y, x'
'x, y+1/2, z+1/2'
'-x, -y, z'
'-x+1/2, y, -z+1/2'
'x+1/2, -y+1/2, -z'
'z, x+1/2, y+1/2'
'z+1/2, -x+1/2, -y'
'-z, -x, y'
'-z+1/2, x, -y+1/2'
'y, z+1/2, x+1/2'
'-y+1/2, z, -x+1/2'
'y+1/2, -z+1/2, -x'
'-y, -z, x'
'y+3/4, x+3/4, -z+1/4'
'-y+1/4, -x+3/4, -z+3/4'
'y+1/4, -x+1/4, z+1/4'
'-y+3/4, x+1/4, z+3/4'
'x+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'
'z+3/4, y+3/4, -x+1/4'
'z+1/4, -y+1/4, x+1/4'
'-z+3/4, y+1/4, x+3/4'
'-z+1/4, -y+3/4, -x+3/4'
'-x+1/4, -y+3/4, -z+3/4'
'x+1/4, y+1/4, -z+1/4'
'x+3/4, -y+1/4, z+3/4'
'-x+3/4, y+3/4, z+1/4'
'-z+1/4, -x+3/4, -y+3/4'
'-z+3/4, x+3/4, y+1/4'
'z+1/4, x+1/4, -y+1/4'
'z+3/4, -x+1/4, y+3/4'
'-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+1/4, z+1/4, -x+1/4'
'-y+1/2, -x+1/2, z'
'y, x+1/2, z+1/2'
'-y, x, -z'
'y+1/2, -x, -z+1/2'
'-x+1/2, -z+1/2, y'
'x+1/2, -z, -y+1/2'
'x, z+1/2, y+1/2'
'-x, z, -y'
'-z+1/2, -y+1/2, x'
'-z, y, -x'
'z+1/2, -y, -x+1/2'
'z, y+1/2, x+1/2'
'x+1/2, y, z+1/2'
'-x+1/2, -y+1/2, z'
'-x, y+1/2, -z+1/2'
'x, -y, -z'
'z+1/2, x, y+1/2'
'z, -x, -y'
'-z+1/2, -x+1/2, y'
'-z, x+1/2, -y+1/2'
'y+1/2, z, x+1/2'
'-y, z+1/2, -x+1/2'
'y, -z, -x'
'-y+1/2, -z+1/2, x'
'y+1/4, x+1/4, -z+1/4'
'-y+3/4, -x+1/4, -z+3/4'
'y+3/4, -x+3/4, z+1/4'
'-y+1/4, x+3/4, z+3/4'
'x+1/4, z+1/4, -y+1/4'
'-x+1/4, z+3/4, y+3/4'
'-x+3/4, -z+1/4, -y+3/4'
'x+3/4, -z+3/4, y+1/4'
'z+1/4, y+1/4, -x+1/4'
'z+3/4, -y+3/4, x+1/4'
'-z+1/4, y+3/4, x+3/4'
'-z+3/4, -y+1/4, -x+3/4'
'-x+3/4, -y+1/4, -z+3/4'
'x+3/4, y+3/4, -z+1/4'
'x+1/4, -y+3/4, z+3/4'
'-x+1/4, y+1/4, z+1/4'
'-z+3/4, -x+1/4, -y+3/4'
'-z+1/4, x+1/4, y+1/4'
'z+3/4, x+3/4, -y+1/4'
'z+1/4, -x+3/4, y+3/4'
'-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+3/4, z+3/4, -x+1/4'
'-y, -x, z'
'y+1/2, x, z+1/2'
'-y+1/2, x+1/2, -z'
'y, -x+1/2, -z+1/2'
'-x, -z, y'
'x, -z+1/2, -y+1/2'
'x+1/2, z, y+1/2'
'-x+1/2, z+1/2, -y'
'-z, -y, x'
'-z+1/2, y+1/2, -x'
'z, -y+1/2, -x+1/2'
'z+1/2, y, x+1/2'
'x+1/2, y+1/2, z'
'-x+1/2, -y, z+1/2'
'-x, y, -z'
'x, -y+1/2, -z+1/2'
'z+1/2, x+1/2, y'
'z, -x+1/2, -y+1/2'
'-z+1/2, -x, y+1/2'
'-z, x, -y'
'y+1/2, z+1/2, x'
'-y, z, -x'
'y, -z+1/2, -x+1/2'
'-y+1/2, -z, x+1/2'
'y+1/4, x+3/4, -z+3/4'
'-y+3/4, -x+3/4, -z+1/4'
'y+3/4, -x+1/4, z+3/4'
'-y+1/4, x+1/4, z+1/4'
'x+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'
'z+1/4, y+3/4, -x+3/4'
'z+3/4, -y+1/4, x+3/4'
'-z+1/4, y+1/4, x+1/4'
'-z+3/4, -y+3/4, -x+1/4'
'-x+3/4, -y+3/4, -z+1/4'
'x+3/4, y+1/4, -z+3/4'
'x+1/4, -y+1/4, z+1/4'
'-x+1/4, y+3/4, z+3/4'
'-z+3/4, -x+3/4, -y+1/4'
'-z+1/4, x+3/4, y+3/4'
'z+3/4, x+1/4, -y+3/4'
'z+1/4, -x+1/4, y+1/4'
'-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+3/4, z+1/4, -x+3/4'
'-y, -x+1/2, z+1/2'
'y+1/2, x+1/2, z'
'-y+1/2, x, -z+1/2'
'y, -x, -z'
'-x, -z+1/2, y+1/2'
'x, -z, -y'
'x+1/2, z+1/2, y'
'-x+1/2, z, -y+1/2'
'-z, -y+1/2, x+1/2'
'-z+1/2, y, -x+1/2'
'z, -y, -x'
'z+1/2, y+1/2, x'
loop_
_atom_site_label
_atom_site_occupancy
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_adp_type
_atom_site_B_iso_or_equiv
_atom_site_type_symbol
MgO 0.9000 0.625000 0.625000 0.625000 Biso 1.23(4) Mg
SiO 0.1000 0.625000 0.625000 0.625000 Biso 1.23(4) Si
SiT 0.8000 0.000000 0.000000 0.000000 Biso 0.70(4) Si
MgT 0.2000 0.000000 0.000000 0.000000 Biso 0.70(4) Mg
O 1.0 0.3685(6) 0.3685(6) 0.3685(6) Biso 0.66(1) O
