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#$Date: 2024-05-02 13:48:35 +0300 (Thu, 02 May 2024) $
#$Revision: 291455 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/62/9006271.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_9006271
loop_
_publ_author_name
'Schwartz, K. B.'
'Leong, D. B.'
'McConville, R. L.'
_publ_section_title
;
 Structural chemistry of synthetic cordierite: evidence for solid solutions
 and disordered compositional domains in Bi-flux-grown Mg-cordierites
 Sample: Crystallized from glass at 1050 degrees C for 18 hours
 Note: tetrahedral site occupancies are assumed, not refined
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              563
_journal_page_last               574
_journal_paper_doi               10.1007/BF00211852
_journal_volume                  20
_journal_year                    1994
_chemical_formula_sum            'Al4 Mg2 O18 Si5'
_chemical_name_mineral           Indialite
_space_group_IT_number           192
_symmetry_space_group_name_Hall  '-P 6 2c'
_symmetry_space_group_name_H-M   'P 6/m c c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   9.7815
_cell_length_b                   9.7815
_cell_length_c                   9.3537
_cell_formula_units_Z            2
_cell_volume                     775.042
_database_code_amcsd             0007853
_exptl_crystal_density_diffrn    2.507
_cod_original_formula_sum        'Mg2 (Al4 Si5) O18'
_cod_database_code               9006271
loop_
_space_group_symop_operation_xyz
x,y,z
-x,-x+y,1/2+z
x,x-y,1/2-z
-x+y,-x,-z
x-y,x,z
-y,-x,1/2+z
y,x,1/2-z
y,-x+y,-z
-y,x-y,z
x-y,-y,1/2+z
-x+y,y,1/2-z
x,y,-z
-x,-y,z
x,x-y,1/2+z
-x,-x+y,1/2-z
x-y,x,-z
-x+y,-x,z
y,x,1/2+z
-y,-x,1/2-z
-y,x-y,-z
y,-x+y,z
-x+y,y,1/2+z
x-y,-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
MgM 0.33333 0.66667 0.25000 1.00000 -0.00177
AlT1 0.50000 0.50000 0.25000 0.66667 0.00114
SiT1 0.50000 0.50000 0.25000 0.33333 0.00114
AlT2 0.37660 0.26710 0.00000 0.33333 0.00291
SiT2 0.37660 0.26710 0.00000 0.66667 0.00291
O1 0.48850 0.34890 0.14260 1.00000 -0.00355
O2 0.23000 0.30930 0.00000 1.00000 0.01267
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0007853
