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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/9/00/12/9001217.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_9001217
loop_
_publ_author_name
'Molin, G. M.'
_publ_section_title
;
 Crystal-chemical study of cation disordering in Al-rich and Al-poor
 orthopyroxenes from spinel lherzolite xenoliths
 sample Le9A, 1050 C, 90 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              593
_journal_page_last               598
_journal_volume                  74
_journal_year                    1989
_chemical_formula_sum            'Fe0.086 Mg0.914 O3 Si'
_chemical_name_mineral           Pyroxene
_space_group_IT_number           61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   18.248
_cell_length_b                   8.831
_cell_length_c                   5.189
_cell_formula_units_Z            16
_cell_volume                     836.197
_database_code_amcsd             0001241
_exptl_crystal_density_diffrn    3.275
_cod_original_formula_sum        '(Mg.914 Fe.086) Si O3'
_cod_database_code               9001217
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2-y,1/2+z
-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
1/2+x,y,1/2-z
1/2-x,-y,1/2+z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Mg1 0.37580 0.65400 0.86650 0.96000
Fe1 0.37580 0.65400 0.86650 0.04000
Mg2 0.37750 0.48500 0.35980 0.86900
Fe2 0.37750 0.48500 0.35980 0.13100
SiA 0.27160 0.34150 0.04960 1.00000
SiB 0.47360 0.33720 0.79870 1.00000
O1 0.18340 0.33970 0.03590 1.00000
O2 0.31090 0.50220 0.04410 1.00000
O3 0.30280 0.22450 0.82920 1.00000
O4 0.56250 0.33930 0.80050 1.00000
O5 0.43300 0.48370 0.69030 1.00000
O6 0.44730 0.19590 0.60310 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0001241
