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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/07/1520775.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_1520775
loop_
_publ_author_name
'Aitken, J.A.'
'Marking, G.A.'
'Evain, M.'
'Kanatzidis, M.G.'
'Iordanidis, L.'
_publ_section_title
;
 Flux synthesis and isostructural relationship of cubic Na1.5 Pb0.75 P
 Se4, Na0.5 Pb1.75 Ge S4 and Li0.5 Pb1.75 Ge S4
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              158
_journal_page_last               169
_journal_volume                  153
_journal_year                    2000
_chemical_formula_sum            'Na1.5 P Pb0.75 Se4'
_chemical_name_systematic        'Na1.5 Pb0.75 (P Se4)'
_space_group_IT_number           220
_symmetry_space_group_name_Hall  'I -4bd 2c 3'
_symmetry_space_group_name_H-M   'I -4 3 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   14.3479
_cell_length_b                   14.3479
_cell_length_c                   14.3479
_cell_volume                     2953.691
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Aitken_JSSCBI_2000_1946.cif
_cod_data_source_block           Na1.5P1Pb0.75Se4
_cod_original_formula_sum        'Na1.5 P1 Pb0.75 Se4'
_cod_database_code               1520775
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
y+1/4,-x+3/4,-z+1/4
-x,-y+1/2,z
-y+3/4,x+3/4,-z+1/4
x,-y,-z+1/2
-y+1/4,-x+3/4,z+3/4
-x,y+1/2,-z+1/2
y+3/4,x+3/4,z+3/4
z,x,y
x+1/4,-z+3/4,-y+1/4
-z,-x+1/2,y
-x+3/4,z+3/4,-y+1/4
z,-x,-y+1/2
-x+1/4,-z+3/4,y+3/4
-z,x+1/2,-y+1/2
x+3/4,z+3/4,y+3/4
y,z,x
y,-z,-x+1/2
-z+1/4,-y+3/4,x+3/4
-y,z+1/2,-x+1/2
z+1/4,y+1/4,x+1/4
-y+1/2,-z,x+1/2
-z+1/4,y+1/4,-x+3/4
z+3/4,-y+1/4,-x+3/4
x+1/2,y+1/2,z+1/2
y+3/4,-x+5/4,-z+3/4
-x+1/2,-y+1,z+1/2
-y+5/4,x+5/4,-z+3/4
x+1/2,-y+1/2,-z+1
-y+3/4,-x+5/4,z+5/4
-x+1/2,y+1,-z+1
y+5/4,x+5/4,z+5/4
z+1/2,x+1/2,y+1/2
x+3/4,-z+5/4,-y+3/4
-z+1/2,-x+1,y+1/2
-x+5/4,z+5/4,-y+3/4
z+1/2,-x+1/2,-y+1
-x+3/4,-z+5/4,y+5/4
-z+1/2,x+1,-y+1
x+5/4,z+5/4,y+5/4
y+1/2,z+1/2,x+1/2
y+1/2,-z+1/2,-x+1
-z+3/4,-y+5/4,x+5/4
-y+1/2,z+1,-x+1
z+3/4,y+3/4,x+3/4
-y+1,-z+1/2,x+1
-z+3/4,y+3/4,-x+5/4
z+5/4,-y+3/4,-x+5/4
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
Na1 Na+1 0.9923 0 0.75 0.5 0.0
P1 P+5 0.7698 0.7698 0.7698 1 0.0
Na2 Na+1 0.6535 0 0.75 0.5 0.0
Pb1 Pb+2 0.9923 0 0.75 0.5 0.0
Se1 Se-2 0.9302 0.9302 0.9302 1 0.0
Se2 Se-2 0.8727 0.6774 0.838 1 0.0
