data_1525673
_publ_section_title
;
 A low-temperature structural phase transition in Cs Pb F3
;
_journal_name_full               'Journal of Physics: Condensed Matter'
_journal_page_first              5077
_journal_page_last               5088
_journal_volume                  13
_journal_year                    2001
_chemical_formula_sum            'Cs F3 Pb'
_chemical_name_systematic        'Cs (Pb F3)'
_space_group_IT_number           221
_symmetry_space_group_name_Hall  '-P 4 2 3'
_symmetry_space_group_name_H-M   'P m -3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   4.7748
_cell_length_b                   4.7748
_cell_length_c                   4.7748
_cell_volume                     108.859
_citation_journal_id_ASTM        JCOMEL
_cod_data_source_file            Berastegui_JCOMEL_2001_1355.cif
_cod_data_source_block           Cs1F3Pb1
_cod_original_cell_volume        108.8593
_cod_chemical_formula_sum_orig   'Cs1 F3 Pb1'
_cod_database_code               1525673
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z
-x,-y,z
y,-x,z
x,-y,-z
y,x,-z
-x,y,-z
-y,-x,-z
z,x,y
-x,z,y
-z,-x,y
x,-z,y
z,-x,-y
x,z,-y
-z,x,-y
-x,-z,-y
y,z,x
y,-z,-x
z,y,-x
-y,z,-x
-z,-y,-x
-y,-z,x
z,-y,x
-z,y,x
-x,-y,-z
y,-x,-z
x,y,-z
-y,x,-z
-x,y,z
-y,-x,z
x,-y,z
y,x,z
-z,-x,-y
x,-z,-y
z,x,-y
-x,z,-y
-z,x,y
-x,-z,y
z,-x,y
x,z,y
-y,-z,-x
-y,z,x
-z,-y,x
y,-z,x
z,y,x
y,z,-x
-z,y,-x
z,-y,-x
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
Cs1 Cs+1 0.5 0.5 0.5 1 0.0
F1 F-1 0.5 0 0 1 0.0
Pb1 Pb+2 0 0 0 1 0.0
