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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/9/00/12/9001267.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_9001267
loop_
_publ_author_name
'Brigatti, M. F.'
'Davoli, P.'
_publ_section_title
;
 Crystal-structure refinement of 1M plutonic biotites
 sample M73 from a monzonite in the Valle del Cervo pluton
;
_journal_name_full               'American Mineralogist'
_journal_page_first              305
_journal_page_last               313
_journal_volume                  75
_journal_year                    1990
_chemical_formula_sum            'Al Fe H2 K Mg2 O12 Si3'
_chemical_name_mineral           Biotite
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.23
_cell_angle_gamma                90
_cell_length_a                   5.345
_cell_length_b                   9.258
_cell_length_c                   10.222
_cell_formula_units_Z            2
_cell_volume                     497.784
_exptl_crystal_density_diffrn    2.994
_cod_original_formula_sum        'Fe Mg2 K (Al Si3) O12 H2'
_cod_database_code               9001267
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,z
1/2+x,1/2-y,z
-x,y,-z
1/2-x,1/2+y,-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
_atom_site_occupancy
Fe1 0.00000 0.00000 0.50000 1.00000
Mg2 0.00000 0.33470 0.50000 1.00000
K 0.00000 0.50000 0.00000 1.00000
Al 0.07480 0.16690 0.22570 0.25000
Si 0.07480 0.16690 0.22570 0.75000
O1 0.02670 0.00000 0.16870 1.00000
O2 0.31950 0.23610 0.16810 1.00000
O3 0.13160 0.16770 0.39090 1.00000
O4 0.12910 0.50000 0.39470 1.00000
H 0.09000 0.50000 0.31500 1.00000
_cod_duplicate_entry 1000038
