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#$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $
#$Revision: 211196 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/77/1537786.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_1537786
loop_
_publ_author_name
'Dernier, P.D.'
'Bucher, E.'
'Longinotti, L.D.'
_publ_section_title
;
 Temperature induced symmetry transformation in the Th3P4-type compounds
 La3 S4, La3 Se4, Pr3 S4 and Pr3 Se4
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              203
_journal_page_last               207
_journal_volume                  15
_journal_year                    1975
_chemical_formula_sum            'Pr3 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            4
_cell_length_a                   8.9038
_cell_length_b                   8.9038
_cell_length_c                   8.9038
_cell_volume                     705.872
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Dernier_JSSCBI_1975_1485.cif
_cod_data_source_block           Pr3Se4
_cod_original_cell_volume        705.8724
_cod_database_code               1537786
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
Se1 Se 0.083 0.083 0.083 1 0.0
Pr1 Pr 0.375 0 0.25 1 0.0
