#------------------------------------------------------------------------------
#$Date: 2024-04-18 18:56:43 +0300 (Thu, 18 Apr 2024) $
#$Revision: 291269 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/04/9000412.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_9000412
loop_
_publ_author_name
'Smyth, J. R.'
_publ_section_title
;
 The high temperature crystal chemistry of clinohypersthene
 T = 400 C
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1069
_journal_page_last               1082
_journal_volume                  59
_journal_year                    1974
_chemical_formula_sum            'Ca0.032 Fe1.332 Mg0.636 O6 Si2'
_chemical_name_mineral           Clinohypersthene
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.88
_cell_angle_gamma                90
_cell_length_a                   9.720
_cell_length_b                   9.027
_cell_length_c                   5.248
_cell_formula_units_Z            4
_cell_volume                     452.195
_database_code_amcsd             0000422
_diffrn_ambient_temperature      673.15
_exptl_crystal_density_diffrn    3.574
_cod_original_formula_sum        'Mg.636 Fe1.332 Ca.032 Si2 O6'
_cod_database_code               9000412
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2-y,1/2+z
-x,1/2+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
_atom_site_U_iso_or_equiv
Mg1 0.25010 0.65290 0.22970 0.52200 0.01355
Fe1 0.25010 0.65290 0.22970 0.47800 0.01355
Fe2 0.25530 0.01460 0.22630 0.85400 0.01849
Mg2 0.25530 0.01460 0.22630 0.11400 0.01849
Ca2 0.25530 0.01460 0.22630 0.03200 0.01849
SiA 0.04420 0.33910 0.28450 1.00000 0.01127
SiB 0.55120 0.83640 0.24320 1.00000 0.01216
O1A 0.86910 0.33880 0.17480 1.00000 0.01393
O2A 0.12480 0.49260 0.34290 1.00000 0.01646
O3A 0.10190 0.26360 0.58110 1.00000 0.01520
O1B 0.37530 0.83780 0.13450 1.00000 0.01267
O2B 0.63270 0.98270 0.38120 1.00000 0.02280
O3B 0.60230 0.70810 0.48280 1.00000 0.01013
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0000422
