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#$Date: 2024-04-18 18:56:43 +0300 (Thu, 18 Apr 2024) $
#$Revision: 291269 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/16/9001668.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_9001668
loop_
_publ_author_name
'Artioli, G.'
'Rinaldi, R.'
'Wilson, C. C.'
'Zanazzi, P. F.'
_publ_section_title
;High-temperature Fe-Mg cation partitioning in olivine: In-situ single-crystal
 neutron diffraction study T = 960 C Atomic parameters obtained from the ICSD
;
_journal_name_full               'American Mineralogist'
_journal_page_first              197
_journal_page_last               200
_journal_volume                  80
_journal_year                    1995
_chemical_formula_sum            'Fe0.24 Mg1.76 O4 Si'
_chemical_name_mineral           Forsterite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.769
_cell_length_b                   10.33
_cell_length_c                   6.037
_cell_formula_units_Z            4
_cell_volume                     297.405
_database_code_amcsd             0001720
_diffrn_ambient_temperature      1233.15
_exptl_crystal_density_diffrn    3.311
_cod_original_formula_sum        '(Mg1.76 Fe.24) Si O4'
_cod_database_code               9001668
loop_
_space_group_symop_operation_xyz
x,y,z
x,y,1/2-z
-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
-x,-y,-z
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Mg1 0.01970 0.03260 0.01900 -0.00390 -0.00290 -0.00480
Fe1 0.01970 0.03260 0.01900 -0.00390 -0.00290 -0.00480
Mg2 0.02530 0.02070 0.02590 0.00280 0.00000 0.00000
Fe2 0.02530 0.02070 0.02590 0.00280 0.00000 0.00000
Si 0.00840 0.01910 0.01400 0.00220 0.00000 0.00000
O1 0.01330 0.02750 0.02120 0.00140 0.00000 0.00000
O2 0.02140 0.01250 0.02330 -0.00010 0.00000 0.00000
O3 0.02000 0.02280 0.02080 0.00030 -0.00090 0.00660
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Mg1 0.00000 0.00000 0.00000 0.90200
Fe1 0.00000 0.00000 0.00000 0.09800
Mg2 0.99230 0.27990 0.25000 0.85800
Fe2 0.99230 0.27990 0.25000 0.14200
Si 0.42700 0.09380 0.25000 1.00000
O1 0.76500 0.09120 0.25000 1.00000
O2 0.22050 0.45020 0.25000 1.00000
O3 0.28250 0.16340 0.03550 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0001720
