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#$Date: 2024-05-16 09:36:09 +0300 (Thu, 16 May 2024) $
#$Revision: 291877 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/29/9012902.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_9012902
loop_
_publ_author_name
'Rozhdestvenskaya, I. V.'
'Bannova, I. I.'
'Nikishova, L. V.'
'Soboleva, T. V.'
_publ_section_title
;
 The crystal structure of fenaksite K2Na2Fe2Si8O20
;
_journal_name_full               'Doklady Earth Sciences'
_journal_page_first              1029
_journal_page_last               1033
_journal_volume                  398
_journal_year                    2004
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Fe K Na O10 Si4'
_chemical_name_mineral           Fenaksite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                100.21
_cell_angle_beta                 114.13
_cell_angle_gamma                105.87
_cell_length_a                   8.142
_cell_length_b                   9.954
_cell_length_c                   6.983
_cell_formula_units_Z            2
_cell_volume                     469.098
_database_code_amcsd             0012511
_exptl_crystal_density_diffrn    2.763
_cod_original_formula_sum        'K Na Fe Si4 O10'
_cod_database_code               9012902
loop_
_space_group_symop_operation_xyz
x,y,z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
K 0.20125 0.00942 0.34106 0.02090
Na 0.14350 0.41038 0.66600 0.02290
Fe 0.10795 0.40673 0.15634 0.00999
Si1 0.35852 0.72997 0.12574 0.00796
Si2 0.35887 0.72840 0.55640 0.00859
Si3 0.17367 0.86816 0.79338 0.00833
Si4 0.69635 0.78618 0.03015 0.00750
O1 0.54960 0.71120 0.11970 0.01650
O2 0.32570 0.86531 0.03260 0.01310
O3 0.42150 0.79400 0.38740 0.01400
O4 0.16970 0.58196 0.99530 0.01140
O5 0.21840 0.56020 0.45680 0.01780
O6 0.43310 0.23020 0.22720 0.01710
O7 0.74640 0.16600 0.38160 0.01720
O8 0.04380 0.23950 0.29940 0.01540
O9 0.81010 0.96193 0.17440 0.01660
O10 0.85530 0.71690 0.06850 0.01240
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0012511
