#------------------------------------------------------------------------------
#$Date: 2024-05-23 12:45:01 +0300 (Thu, 23 May 2024) $
#$Revision: 292002 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/44/9014435.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_9014435
loop_
_publ_author_name
'Gruner, J.'
_publ_section_title
;
 The crystal structures of talc and pyrophyllite.
 _cod_database_code 1011152
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              412
_journal_page_last               419
_journal_volume                  88
_journal_year                    1934
_chemical_formula_sum            'Mg3 O12 Si4'
_chemical_name_mineral           'Talc 2M'
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.08
_cell_angle_gamma                90
_cell_length_a                   5.26
_cell_length_b                   9.10
_cell_length_c                   18.81
_cell_formula_units_Z            4
_cell_volume                     886.462
_database_code_amcsd             0018036
_exptl_crystal_density_diffrn    2.827
_cod_duplicate_entry             1011152
_cod_database_code               9014435
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,1/2+z
1/2+x,1/2-y,1/2+z
-x,y,1/2-z
1/2-x,1/2+y,1/2-z
-x,-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg1 0.00000 0.00000 0.00000
Mg2 0.00000 0.33300 0.00000
O1 0.20300 0.50000 0.05800
O2 0.20300 0.16700 0.05800
O3 0.20300 -0.16700 0.05800
O4 0.02500 0.08300 0.17600
O5 -0.47500 0.08300 0.17600
O6 0.27500 0.33300 0.17600
Si1 -0.23900 0.00000 0.14300
Si2 0.26100 0.16700 0.14300
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0018036
