#------------------------------------------------------------------------------
#$Date: 2015-10-13 16:45:46 +0300 (Tue, 13 Oct 2015) $
#$Revision: 167208 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/85/1538557.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1538557
loop_
_publ_author_name
'Schlyter, K.'
_publ_section_title
;
 On the crystal structure of fluorides of the tysonite La F3 type
;
_journal_name_full               'Arkiv foer Kemi'
_journal_page_first              73
_journal_page_last               82
_journal_volume                  5
_journal_year                    1952
_chemical_formula_sum            'Ce0.5 F3 La0.5'
_chemical_name_systematic        '(La0.5 Ce0.5) F3'
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   4.148
_cell_length_b                   4.148
_cell_length_c                   7.354
_cell_volume                     109.580
_citation_journal_id_ASTM        ARKEAD
_cod_data_source_file            Schlyter_ARKEAD_1952_240.cif
_cod_data_source_block           Ce0.5F3La0.5
_cod_original_cell_volume        109.5801
_cod_database_code               1538557
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x-y,x,z+1/2
-y,x-y,z
-x,-y,z+1/2
-x+y,-x,z
y,-x+y,z+1/2
-y,-x,-z+1/2
x-y,-y,-z
x,x-y,-z+1/2
y,x,-z
-x+y,y,-z+1/2
-x,-x+y,-z
-x,-y,-z
-x+y,-x,-z-1/2
y,-x+y,-z
x,y,-z-1/2
x-y,x,-z
-y,x-y,-z-1/2
y,x,z-1/2
-x+y,y,z
-x,-x+y,z-1/2
-y,-x,z
x-y,-y,z-1/2
x,x-y,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ce1 Ce+3 0.3333 0.6667 0.25 0.5 0.0
F1 F-1 0 0 0.25 1 0.0
La1 La+3 0.3333 0.6667 0.25 0.5 0.0
F2 F-1 0.3333 0.6667 0.57 1 0.0
