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#$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9001667.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_9001667
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 = 880 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
_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                   4.76
_cell_length_b                   10.33
_cell_length_c                   6.05
_cell_volume                     297.483
_diffrn_ambient_temperature      1153.15
_[local]_cod_chemical_formula_sum_orig '(Mg1.76 Fe.24) Si O4'
loop_
_symmetry_equiv_pos_as_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_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Mg1 0.00000 0.00000 0.00000 0.86800
Fe1 0.00000 0.00000 0.00000 0.13200
Mg2 0.99220 0.27820 0.25000 0.89200
Fe2 0.99220 0.27820 0.25000 0.10800
Si 0.42660 0.09440 0.25000 1.00000
O1 0.76710 0.09130 0.25000 1.00000
O2 0.22030 0.45040 0.25000 1.00000
O3 0.28130 0.16300 0.03560 1.00000
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 0.03030 0.02290 0.01970 0.00220 -0.00500 -0.00230
Fe1 0.03030 0.02290 0.01970 0.00220 -0.00500 -0.00230
Mg2 0.02510 0.01410 0.02520 0.00290 0.00000 0.00000
Fe2 0.02510 0.01410 0.02520 0.00290 0.00000 0.00000
Si 0.00580 0.00810 0.01940 0.00370 0.00000 0.00000
O1 0.01390 0.02010 0.01960 0.00710 0.00000 0.00000
O2 0.01170 0.00900 0.02920 -0.00240 0.00000 0.00000
O3 0.02030 0.01700 0.01960 -0.00190 -0.00350 0.00890
_cod_database_code 9001667