#------------------------------------------------------------------------------
#$Date: 2024-05-23 12:45:01 +0300 (Thu, 23 May 2024) $
#$Revision: 292002 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/52/9015274.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_9015274
loop_
_publ_author_name
'Trots, D. M.'
'Kurnosov, A.'
'Ballaran, T. F.'
'Frost, D. J.'
_publ_section_title
;
 High-temperature structural behaviors of anhydrous wadsleyite and forsterite
 Note: T = 929 K
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1582
_journal_page_last               1590
_journal_paper_doi               10.2138/am.2012.3992
_journal_volume                  97
_journal_year                    2012
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Mg2 O4 Si'
_chemical_name_mineral           Wadsleyite
_space_group_IT_number           74
_symmetry_space_group_name_Hall  '-I 2b 2'
_symmetry_space_group_name_H-M   'I m m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.7321
_cell_length_b                   11.4998
_cell_length_c                   8.3163
_cell_formula_units_Z            8
_cell_volume                     548.194
_database_code_amcsd             0019745
_exptl_crystal_density_diffrn    3.409
_cod_original_formula_sum        'Mg2 Si O4'
_cod_database_code               9015274
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2+y,1/2+z
x,1/2-y,z
1/2+x,-y,1/2+z
-x,1/2+y,-z
1/2-x,+y,1/2-z
-x,y,z
1/2-x,1/2+y,1/2+z
x,-y,-z
1/2+x,1/2-y,1/2-z
x,1/2+y,-z
1/2+x,+y,1/2-z
-x,1/2-y,z
1/2-x,-y,1/2+z
-x,-y,-z
1/2-x,1/2-y,1/2-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg1 0.00000 0.00000 0.00000
Mg2 0.00000 0.25000 0.96970
Mg3 0.25000 0.13010 0.25000
Si1 0.00000 0.11880 0.61630
O1 0.00000 0.25000 0.21640
O2 0.00000 0.25000 0.71470
O3 0.00000 0.99070 0.25380
O4 0.26390 0.12350 0.99390
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0019745
