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#$Date: 2015-09-12 19:32:29 +0300 (Sat, 12 Sep 2015) $
#$Revision: 156176 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/09/1530942.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_1530942
loop_
_publ_author_name
'Vandenborre, M.T.'
'Chubb, M.'
'Mahe, R.'
'Brusset, H.'
_publ_section_title
;
 Etude structurale de composes 3 Pd O - B2 O5 (B = Nb, Ta) de type
 pyrochlore
;
_journal_name_full
;
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C, 
Sciences Chimiques (1966-)
;
_journal_page_first              179
_journal_page_last               182
_journal_volume                  284
_journal_year                    1977
_chemical_formula_sum            'Nb2 O8 Pb3'
_chemical_name_systematic        'Pb3 Nb2 O8'
_space_group_IT_number           141
_symmetry_space_group_name_Hall  '-I 4bd 2'
_symmetry_space_group_name_H-M   'I 41/a m d :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            3
_cell_length_a                   7.53
_cell_length_b                   7.53
_cell_length_c                   10.82
_cell_volume                     613.504
_citation_journal_id_ASTM        CHDCAQ
_cod_data_source_file            Vandenborre_CHDCAQ_1977_112.cif
_cod_data_source_block           Nb2O8Pb3
_cod_original_cell_volume        613.5038
_cod_database_code               1530942
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/4,x+3/4,z+1/4
-x+1/2,-y,z+1/2
y+1/4,-x+1/4,z+3/4
x,-y,-z
y+1/4,x+3/4,-z+1/4
-x+1/2,y,-z+1/2
-y+1/4,-x+1/4,-z+3/4
-x,-y,-z
y-1/4,-x-3/4,-z-1/4
x-1/2,y,-z-1/2
-y-1/4,x-1/4,-z-3/4
-x,y,z
-y-1/4,-x-3/4,z-1/4
x-1/2,-y,z-1/2
y-1/4,x-1/4,z-3/4
x+1/2,y+1/2,z+1/2
-y+3/4,x+5/4,z+3/4
-x+1,-y+1/2,z+1
y+3/4,-x+3/4,z+5/4
x+1/2,-y+1/2,-z+1/2
y+3/4,x+5/4,-z+3/4
-x+1,y+1/2,-z+1
-y+3/4,-x+3/4,-z+5/4
-x+1/2,-y+1/2,-z+1/2
y+1/4,-x-1/4,-z+1/4
x,y+1/2,-z
-y+1/4,x+1/4,-z-1/4
-x+1/2,y+1/2,z+1/2
-y+1/4,-x-1/4,z+1/4
x,-y+1/2,z
y+1/4,x+1/4,z-1/4
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
Nb1 Nb+5 0 0 0 0.75 0.0
O2 O-2 0 0.25 0.69 1 0.0
O1 O-2 0.185 0.435 0.875 1 0.0
Pb2 Pb+2 0 0 0.5 0.875 0.0
Pb1 Pb+2 0 0 0 0.25 0.0
