#------------------------------------------------------------------------------
#$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $
#$Revision: 35913 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/23/9002368.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_9002368
loop_
_publ_author_name
'Hazen, R. M.'
'Yang, H.'
'Prewitt, C. T.'
_publ_section_title
;
 High-pressure crystal chemistry of Fe3+-wadsleyite, beta-Fe2.33Si0.67O4
 Pressure = 1.95 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              778
_journal_page_last               783
_journal_volume                  85
_journal_year                    2000
_chemical_formula_sum            'Fe2.33 O4 Si0.67'
_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                   5.8286
_cell_length_b                   11.8205
_cell_length_c                   8.3481
_cell_volume                     575.159
_diffrn_ambient_pressure         1.95e+06
_exptl_crystal_density_diffrn    4.918
_[local]_cod_chemical_formula_sum_orig 'Fe2.33 Si.67 O4'
_cod_database_code               9002368
_amcsd_database_code             AMCSD#0002451
loop_
_symmetry_equiv_pos_as_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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Fe1 0.00000 0.00000 0.00000 1.00000 0.00861
Fe2 0.00000 0.25000 0.96990 1.00000 0.00583
Fe3 0.25000 0.12450 0.25000 1.00000 0.00861
SiT 0.00000 0.12020 0.61840 0.67000 0.00570
FeT 0.00000 0.12020 0.61840 0.33000 0.00570
O1 0.00000 0.25000 0.22590 1.00000 0.01140
O2 0.00000 0.25000 0.72080 1.00000 0.02026
O3 0.00000 0.99260 0.25450 1.00000 0.01393
O4 0.25780 0.12250 0.99920 1.00000 0.01267