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#$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $
#$Revision: 282068 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/66/9006647.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_9006647
loop_
_publ_author_name
'Knorr, K.'
'Meschke, M.'
'Winkler, B.'
_publ_section_title
;
 Structural and magnetic properties of Co2Al4Si5O18
 and Mn2Al4Si5O18 cordierite
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              521
_journal_page_last               529
_journal_paper_doi               10.1007/s002690050215
_journal_volume                  26
_journal_year                    1999
_chemical_formula_structural     Co2Al4Si5O18
_chemical_formula_sum            'Al4 Co2 O18 Si5'
_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                   9.841
_cell_length_b                   9.841
_cell_length_c                   9.372
_cell_volume                     786.034
_database_code_amcsd             0008229
_exptl_crystal_density_diffrn    2.764
_cod_original_formula_sum        'Co2 (Al4 Si5) O18'
_cod_database_code               9006647
_amcsd_formula_title             Co2Al4Si5O18
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
Co 0.33333 0.66667 0.25000 1.00000 0.01254
AlT1 0.50000 0.50000 0.25000 0.66667 0.02520
SiT1 0.50000 0.50000 0.25000 0.33333 0.02520
AlT2 0.36700 0.26200 0.00000 0.33333 0.02520
SiT2 0.36700 0.26200 0.00000 0.66667 0.02520
O1 0.48090 0.34620 0.14330 1.00000 0.00013
O2 0.22730 0.30380 0.00000 1.00000 0.00013
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0008229