#------------------------------------------------------------------------------
#$Date: 2024-05-29 17:00:33 +0300 (Wed, 29 May 2024) $
#$Revision: 292100 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/58/9015860.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_9015860
loop_
_publ_author_name
'Ballestracci, R.'
'Bertaut, E.'
_publ_section_title
;
 Etude cristallographique de nouvaux seleniures des terres rares et de sodium
 _cod_database_code 1009042
;
_journal_name_full
'Bulletin de la Societe Francaise de Mineralogie et de Cristallographie'
_journal_page_first              136
_journal_page_last               138
_journal_volume                  88
_journal_year                    1965
_chemical_formula_sum            'La0.5 Na0.5 Se'
_space_group_IT_number           225
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   6.105
_cell_length_b                   6.105
_cell_length_c                   6.105
_cell_formula_units_Z            4
_cell_volume                     227.540
_database_code_amcsd             0016903
_exptl_crystal_density_diffrn    4.668
_cod_duplicate_entry             1009042
_cod_original_sg_symbol_H-M      'F m 3 m'
_cod_original_formula_sum        '(Na.5 La.5) Se'
_cod_database_code               9015860
_amcsd_formula_title             'La Na Se2'
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2+y,1/2+z
1/2+x,y,1/2+z
1/2+x,1/2+y,z
z,-x,y
z,1/2-x,1/2+y
1/2+z,-x,1/2+y
1/2+z,1/2-x,y
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1/2-y,z,1/2-x
1/2-y,1/2+z,-x
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x,1/2-y,1/2+z
1/2+x,-y,1/2+z
1/2+x,1/2-y,z
-z,x,-y
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1/2-z,x,1/2-y
1/2-z,1/2+x,-y
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y,1/2-z,1/2+x
1/2+y,-z,1/2+x
1/2+y,1/2-z,x
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1/2-z,x,1/2+y
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1/2+y,-z,1/2-x
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1/2+z,1/2+x,y
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1/2-y,-z,1/2-x
1/2-y,1/2-z,-x
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Na1 0.00000 0.00000 0.00000 0.50000
La1 0.00000 0.00000 0.00000 0.50000
Se1 0.50000 0.50000 0.50000 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0016903
