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#$Date: 2024-05-09 11:47:05 +0300 (Thu, 09 May 2024) $
#$Revision: 291792 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/07/9010762.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_9010762
loop_
_publ_author_name
'Heinemann, R.'
'Kroll, H.'
'Kirfel, A.'
'Barbier, B.'
_publ_section_title
;
 Order and anti-order in olivine I: structural response to temperature
 Sample: Bo-2, T = 748 C
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              673
_journal_page_last               689
_journal_paper_doi               10.1127/0935-1221/2006/0018-0673
_journal_volume                  18
_journal_year                    2006
_chemical_compound_source        'Boseti volcano, Ethiopia'
_chemical_formula_sum            'Fe0.935 Mg1.065 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                   4.8257
_cell_length_b                   10.4373
_cell_length_c                   6.1009
_cell_formula_units_Z            4
_cell_volume                     307.286
_database_code_amcsd             0007176
_diffrn_ambient_temperature      1021.15
_exptl_crystal_density_diffrn    3.679
_cod_original_formula_sum        '(Fe.935 Mg1.065) Si O4'
_cod_database_code               9010762
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
FeM1 0.01880 0.03190 0.02030 -0.00030 -0.00240 -0.00450
MgM1 0.01880 0.03190 0.02030 -0.00030 -0.00240 -0.00450
FeM2 0.02460 0.01840 0.02160 0.00050 0.00000 0.00000
MgM2 0.02460 0.01840 0.02160 0.00050 0.00000 0.00000
Si 0.01200 0.01650 0.01700 0.00030 0.00000 0.00000
O1 0.01330 0.02690 0.02200 0.00060 0.00000 0.00000
O2 0.02020 0.01630 0.02300 0.00010 0.00000 0.00000
O3 0.02030 0.02610 0.02120 0.00100 -0.00070 0.00660
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
FeM1 0.00000 0.00000 0.00000 0.51670
MgM1 0.00000 0.00000 0.00000 0.48330
FeM2 0.98853 0.27992 0.25000 0.41840
MgM2 0.98853 0.27992 0.25000 0.58160
Si 0.42858 0.09594 0.25000 1.00000
O1 0.76400 0.09280 0.25000 1.00000
O2 0.21500 0.45170 0.25000 1.00000
O3 0.28530 0.16380 0.03690 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0007176
