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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/9/00/09/9000943.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_9000943
loop_
_publ_author_name
'Griffen, D. T.'
'Johnson, B. T.'
_publ_section_title
;
 Strain in triclinic alkali feldspars: a crystal structure study
 intermediate
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1072
_journal_page_last               1077
_journal_volume                  69
_journal_year                    1984
_chemical_formula_sum            'Al K0.89 Na0.11 O8 Si3'
_chemical_name_mineral           Microcline
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)'
_symmetry_space_group_name_H-M   'C -1'
_cell_angle_alpha                90.09
_cell_angle_beta                 115.92
_cell_angle_gamma                89.51
_cell_length_a                   8.552
_cell_length_b                   12.975
_cell_length_c                   7.205
_cell_formula_units_Z            4
_cell_volume                     719.031
_database_code_amcsd             0000962
_exptl_crystal_density_diffrn    2.555
_cod_original_formula_sum        '(Al Si3) (K.89 Na.11) O8'
_cod_database_code               9000943
loop_
_space_group_symop_operation_xyz
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
Al(1o) 0.00960 0.18500 0.22290 0.54000
Si(1o) 0.00960 0.18500 0.22290 0.46000
Si(1m) 0.00930 0.81650 0.22600 0.68000
Al(1m) 0.00930 0.81650 0.22600 0.32000
Si(2o) 0.70860 0.11830 0.34340 0.93000
Al(2o) 0.70860 0.11830 0.34340 0.07000
Si(2m) 0.70740 0.88290 0.34590 0.93000
Al(2m) 0.70740 0.88290 0.34590 0.07000
K 0.28380 0.99850 0.13660 0.89000
Na 0.28380 0.99850 0.13660 0.11000
O(A1) 0.99990 0.14420 0.99590 1.00000
O(A2) 0.63520 0.00120 0.28510 1.00000
O(Bo) 0.82550 0.14530 0.22630 1.00000
O(Bm) 0.82730 0.85520 0.23010 1.00000
O(Co) 0.03440 0.31290 0.25790 1.00000
O(Cm) 0.03530 0.69020 0.26160 1.00000
O(Do) 0.18420 0.12510 0.40640 1.00000
O(Dm) 0.18090 0.87410 0.40770 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0000962
