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#$Date: 2024-05-16 09:36:09 +0300 (Thu, 16 May 2024) $
#$Revision: 291877 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/30/9013093.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_9013093
loop_
_publ_author_name
'Takeuchi, Y.'
'Yamanaka, T.'
'Haga, N.'
'Hirano, M.'
_publ_section_title
;
 High-temperature crystallography of olivines and spinels
 T = 25 degree C
;
_journal_name_full
'Materials Science of the Earth's Interior, edited by Sunagawa'
_journal_page_first              191
_journal_page_last               231
_journal_volume                  1984
_journal_year                    1984
_chemical_formula_sum            'Mg2 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                   4.7503
_cell_length_b                   10.187
_cell_length_c                   5.9771
_cell_formula_units_Z            4
_cell_volume                     289.240
_database_code_amcsd             0014393
_diffrn_ambient_temperature      298.15
_exptl_crystal_density_diffrn    3.231
_cod_original_formula_sum        'Mg2 Si O4'
_cod_database_code               9013093
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 0.00720 0.00862 0.00452 -0.00034 -0.00058 -0.00102
Mg2 0.00800 0.00647 0.00579 0.00015 0.00000 0.00000
Si 0.00480 0.00557 0.00380 0.00010 0.00000 0.00000
O1 0.00537 0.00888 0.00543 0.00025 0.00000 0.00000
O2 0.00732 0.00594 0.00543 0.00025 0.00000 0.00000
O3 0.00754 0.00810 0.00471 0.00000 -0.00029 -0.00126
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg1 0.00000 0.00000 0.00000 0.00671
Mg2 0.99160 0.27750 0.25000 0.00671
Si 0.42660 0.09413 0.25000 0.00469
O1 0.76640 0.09140 0.25000 0.00659
O2 0.22150 0.44720 0.25000 0.00621
O3 0.27780 0.16310 0.03320 0.00684
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0014393
